π€ ModelBytes Digest
Sunday, August 16, 2026
βββ OPEN FRONTIER π
Qwen3.8-27B-XYZ
ML model...
Released: 2026-08-14 | License: apache-2.0 | Params: 27B
π¦ Open weights Β· HF
β Source
Total: 1 items tracked today
Sunday, August 16, 2026
βββ OPEN FRONTIER π
Qwen3.8-27B-XYZ
ML model...
Released: 2026-08-14 | License: apache-2.0 | Params: 27B
π¦ Open weights Β· HF
β Source
Total: 1 items tracked today
π€ ModelBytes Digest
Monday, August 17, 2026
Today's batch shows a surge of openβweight, domainβspecific models aimed at safety, security and visual tasks.
βββ OPEN FRONTIER π
Qwen 3.8 27B β 27B uncensored LLM released with full weight access, targeting aggressive generation. 27B params. π¦ Open weights. β Source
βββ SPECIALIZED π―
Shieldstral β 3B openβweights multimodal safety classifier that outperforms models up to 7Γ its size. 3B params. π¦ Open weights. β Source
Antares β Highly efficient openβweight models for vulnerability localization, cutting compute needs dramatically. π¦ Open weights. β Source
Muse Glimmer β 30B imageβtextβtoβtext model optimized for singleβGPU agentic tasks on consumer hardware. 30B params. Apacheβ2.0 license. π¦ Open weights Β· HF. β Source
Wan2.2 Animate 2 14B Diffusers β 14B diffusion model for highβquality animation generation. 14B params. Apacheβ2.0 license. π¦ Open weights Β· HF. β Source
EVIE Preview 4.5B β 4.5B visualβdocumentβretrieval model for fast multimodal search. 4.5B params. Apacheβ2.0 license. π¦ Open weights Β· HF. β Source
π Surfaced 6 Β· scanned 3 today
Monday, August 17, 2026
Today's batch shows a surge of openβweight, domainβspecific models aimed at safety, security and visual tasks.
βββ OPEN FRONTIER π
Qwen 3.8 27B β 27B uncensored LLM released with full weight access, targeting aggressive generation. 27B params. π¦ Open weights. β Source
βββ SPECIALIZED π―
Shieldstral β 3B openβweights multimodal safety classifier that outperforms models up to 7Γ its size. 3B params. π¦ Open weights. β Source
Antares β Highly efficient openβweight models for vulnerability localization, cutting compute needs dramatically. π¦ Open weights. β Source
Muse Glimmer β 30B imageβtextβtoβtext model optimized for singleβGPU agentic tasks on consumer hardware. 30B params. Apacheβ2.0 license. π¦ Open weights Β· HF. β Source
Wan2.2 Animate 2 14B Diffusers β 14B diffusion model for highβquality animation generation. 14B params. Apacheβ2.0 license. π¦ Open weights Β· HF. β Source
EVIE Preview 4.5B β 4.5B visualβdocumentβretrieval model for fast multimodal search. 4.5B params. Apacheβ2.0 license. π¦ Open weights Β· HF. β Source
π Surfaced 6 Β· scanned 3 today
π€ ModelBytes Digest
Tuesday, August 18, 2026
Open-weight releases are compressing frontier capability into smaller, task-specific packages this week β builders get coding, multimodal safety, and UI understanding without the closed API tax.
βββ OPEN FRONTIER π
Muse Glimmer β Meta's smaller open-weight model, positioned as a lightweight alternative to larger rivals. Released Aug 10. π¦ Open weights. β Source
Qwen 3.8 27B β Latest Qwen release. 27B params. Released Aug 14. π¦ Open weights. β Source
βββ CLOSED FRONTIER π
Gemini 3.7 Flash β Google's newest Flash-tier model, iterating on speed and cost. Released Aug 13. β‘ API live. β Source
βββ SPECIALIZED π―
Shieldstral 1.0 3B β Open-weights policy-adaptive multimodal safety classifier matching models 7Γ its size. 3B params, open weights. Released Aug 7. π¦ Open weights. β Source
UI-Mate 27B β Image-text-to-text model for UI understanding. 27B params, Apache-2.0. Released Aug 14. π¦ Open weights Β· HF. β Source
UI-Mate 9B β Smaller image-text-to-text model for UI understanding. 9B params, Apache-2.0. Released Aug 14. π¦ Open weights Β· HF. β Source
π Surfaced 6 Β· scanned 2 today
Tuesday, August 18, 2026
Open-weight releases are compressing frontier capability into smaller, task-specific packages this week β builders get coding, multimodal safety, and UI understanding without the closed API tax.
βββ OPEN FRONTIER π
Muse Glimmer β Meta's smaller open-weight model, positioned as a lightweight alternative to larger rivals. Released Aug 10. π¦ Open weights. β Source
Qwen 3.8 27B β Latest Qwen release. 27B params. Released Aug 14. π¦ Open weights. β Source
βββ CLOSED FRONTIER π
Gemini 3.7 Flash β Google's newest Flash-tier model, iterating on speed and cost. Released Aug 13. β‘ API live. β Source
βββ SPECIALIZED π―
Shieldstral 1.0 3B β Open-weights policy-adaptive multimodal safety classifier matching models 7Γ its size. 3B params, open weights. Released Aug 7. π¦ Open weights. β Source
UI-Mate 27B β Image-text-to-text model for UI understanding. 27B params, Apache-2.0. Released Aug 14. π¦ Open weights Β· HF. β Source
UI-Mate 9B β Smaller image-text-to-text model for UI understanding. 9B params, Apache-2.0. Released Aug 14. π¦ Open weights Β· HF. β Source
π Surfaced 6 Β· scanned 2 today
π€ ModelBytes Digest
Wednesday, August 19, 2026
Open-weight releases are splitting into compact agentic models and frontier-scale reasoning, so builders can now choose cost/performance without leaving the open ecosystem.
βββ OPEN FRONTIER π
Muse Spark 1.2 β Meta's latest open-weight model, open weights per Zuckerberg. π¦ Open weights. β Source
Qwen3.8 Max β Largest open-weight release in history, per local-ai-zone. π¦ Open weights. β Source
Nemotron 3.5 Lightning β Compact open agentic model in the same wave as Muse Glimmer and Qwen3.8-27B. π¦ Open weights. β Source
βββ CLOSED FRONTIER π
GLM 5.3 β Large-scale reasoning model for complex software engineering and long-horizon agent tasks. Context 1.0M Β· License Closed/API Β· Pricing $1.40/$4.40 per 1M Β· Released Aug 18. β‘ API live Β· OpenRouter. β Source
π Surfaced 4 Β· scanned 3 today
Wednesday, August 19, 2026
Open-weight releases are splitting into compact agentic models and frontier-scale reasoning, so builders can now choose cost/performance without leaving the open ecosystem.
βββ OPEN FRONTIER π
Muse Spark 1.2 β Meta's latest open-weight model, open weights per Zuckerberg. π¦ Open weights. β Source
Qwen3.8 Max β Largest open-weight release in history, per local-ai-zone. π¦ Open weights. β Source
Nemotron 3.5 Lightning β Compact open agentic model in the same wave as Muse Glimmer and Qwen3.8-27B. π¦ Open weights. β Source
βββ CLOSED FRONTIER π
GLM 5.3 β Large-scale reasoning model for complex software engineering and long-horizon agent tasks. Context 1.0M Β· License Closed/API Β· Pricing $1.40/$4.40 per 1M Β· Released Aug 18. β‘ API live Β· OpenRouter. β Source
π Surfaced 4 Β· scanned 3 today
π€ ModelBytes Digest
Thursday, August 20, 2026
Today's releases are narrow: Tencent ships two translation-specific APIs while Z.Ai iterates GLM with a Turbo variant, so builders get cheaper specialized calls rather than a new general frontier.
βββ CLOSED FRONTIER π
GLM-5.2 Turbo β Z.AI's faster GLM-5.2 variant, released Aug 17. Released Aug 17. β Source
βββ SPECIALIZED π―
Hy-MT2 1.8B β Compact translation model covering 33 language pairs plus five Chinese dialect and minority-language pairs. Released Aug 20 Β· 8k context Β· Closed/API Β· $0.04/$0.18 per 1M tokens. β‘ API live Β· OpenRouter. β Source
Hy-MT2 30B A3B β Tencent's flagship translation model with the same 33+5 language coverage and structured workflows. Released Aug 20 Β· 8k context Β· Closed/API Β· $0.07/$0.29 per 1M tokens. β‘ API live Β· OpenRouter. β Source
π Surfaced 3 Β· scanned 3 today
Thursday, August 20, 2026
Today's releases are narrow: Tencent ships two translation-specific APIs while Z.Ai iterates GLM with a Turbo variant, so builders get cheaper specialized calls rather than a new general frontier.
βββ CLOSED FRONTIER π
GLM-5.2 Turbo β Z.AI's faster GLM-5.2 variant, released Aug 17. Released Aug 17. β Source
βββ SPECIALIZED π―
Hy-MT2 1.8B β Compact translation model covering 33 language pairs plus five Chinese dialect and minority-language pairs. Released Aug 20 Β· 8k context Β· Closed/API Β· $0.04/$0.18 per 1M tokens. β‘ API live Β· OpenRouter. β Source
Hy-MT2 30B A3B β Tencent's flagship translation model with the same 33+5 language coverage and structured workflows. Released Aug 20 Β· 8k context Β· Closed/API Β· $0.07/$0.29 per 1M tokens. β‘ API live Β· OpenRouter. β Source
π Surfaced 3 Β· scanned 3 today
π€ ModelBytes Digest
Friday, August 21, 2026
Open-weight multimodal and coding models are closing the gap with closed frontier while a 3B safety classifier makes moderation cheap β builders can now assemble vision, coding, and safety from open components without API lock-in.
βββ OPEN FRONTIER π
GLM-5.3 β Post-training-only upgrade on the 743B GLM-5.2 base claims a 50% coding jump and top open Terminal-Bench scores. 743B total params Β· open weights Β· Released Aug 14. π¦ Open weights. β Source
DeepSeek V4 Flash Vision Exp β Experimental vision-enabled V4 Flash matches text performance and closes most of the gap to Opus-4.8 on multimodal agent tasks. 284B total / 13B active Β· 1M context Β· MIT Β· $0.22/$0.66 per 1M Β· Released Aug 21. β‘ API live Β· OpenRouter. β Source
Ling 3.0 Flash Base β 127.5B open-weights text-generation base model under MIT, a clean pretrained foundation for further tuning. 127.5B total params Β· MIT Β· Released Aug 11. π¦ Open weights Β· HF. β Source
βββ CLOSED FRONTIER π
Ox Alpha β Reasoning model built for coding, sustained agentic work, and production workloads with a 1M-token context. 1M context Β· Closed/API Β· Free Β· Released Aug 20. β‘ API live Β· OpenRouter. β Source
π Surfaced 4 Β· scanned 10 today
Friday, August 21, 2026
Open-weight multimodal and coding models are closing the gap with closed frontier while a 3B safety classifier makes moderation cheap β builders can now assemble vision, coding, and safety from open components without API lock-in.
βββ OPEN FRONTIER π
GLM-5.3 β Post-training-only upgrade on the 743B GLM-5.2 base claims a 50% coding jump and top open Terminal-Bench scores. 743B total params Β· open weights Β· Released Aug 14. π¦ Open weights. β Source
DeepSeek V4 Flash Vision Exp β Experimental vision-enabled V4 Flash matches text performance and closes most of the gap to Opus-4.8 on multimodal agent tasks. 284B total / 13B active Β· 1M context Β· MIT Β· $0.22/$0.66 per 1M Β· Released Aug 21. β‘ API live Β· OpenRouter. β Source
Ling 3.0 Flash Base β 127.5B open-weights text-generation base model under MIT, a clean pretrained foundation for further tuning. 127.5B total params Β· MIT Β· Released Aug 11. π¦ Open weights Β· HF. β Source
βββ CLOSED FRONTIER π
Ox Alpha β Reasoning model built for coding, sustained agentic work, and production workloads with a 1M-token context. 1M context Β· Closed/API Β· Free Β· Released Aug 20. β‘ API live Β· OpenRouter. β Source
π Surfaced 4 Β· scanned 10 today
π€ ModelBytes Digest
Saturday, August 22, 2026
βββ OPEN FRONTIER π
Ornith 1.5 35B A3B β MIT-licensed 35B-parameter text model; the A3B suffix suggests a sparse architecture but active params are unconfirmed. Released Aug 22 Β· 35B total params Β· MIT license. π¦ Open weights Β· HF. β Source
π Surfaced 1 Β· scanned 2 today
Saturday, August 22, 2026
βββ OPEN FRONTIER π
Ornith 1.5 35B A3B β MIT-licensed 35B-parameter text model; the A3B suffix suggests a sparse architecture but active params are unconfirmed. Released Aug 22 Β· 35B total params Β· MIT license. π¦ Open weights Β· HF. β Source
π Surfaced 1 Β· scanned 2 today
π€ ModelBytes Digest
Sunday, August 23, 2026
βββ SPECIALIZED π―
Hy-MT2 7B β Tencent's 7B translation model covers 33 language pairs plus five Chinese dialect and minority-language pairs, with structured delimiter-based workflows for clean extraction. Released Aug 19 Β· 7B params Β· 8k context Β· Closed/API Β· $0.07/$0.29 per 1M. β‘ API live Β· OpenRouter. β Source
π Surfaced 1 Β· scanned 1 today
Sunday, August 23, 2026
βββ SPECIALIZED π―
Hy-MT2 7B β Tencent's 7B translation model covers 33 language pairs plus five Chinese dialect and minority-language pairs, with structured delimiter-based workflows for clean extraction. Released Aug 19 Β· 7B params Β· 8k context Β· Closed/API Β· $0.07/$0.29 per 1M. β‘ API live Β· OpenRouter. β Source
π Surfaced 1 Β· scanned 1 today
π€ ModelBytes Digest
Tuesday, August 25, 2026
βββ CLOSED FRONTIER π
Grok 4.6 β xAI's most capable model, built for coding, agentic tasks, and knowledge work. Released Aug 21. β‘ API live. β Source
π Surfaced 1 Β· scanned 10 today
Tuesday, August 25, 2026
βββ CLOSED FRONTIER π
Grok 4.6 β xAI's most capable model, built for coding, agentic tasks, and knowledge work. Released Aug 21. β‘ API live. β Source
π Surfaced 1 Β· scanned 10 today
π€ ModelBytes Digest
Wednesday, August 26, 2026
Builders get a two-track week: open-weight models pushing into frontier-scale parameter counts, and specialized tools that skip the API entirely.
βββ OPEN FRONTIER π
Qwen3.8 Flash Next β Image-text-to-text at 180B total params, aimed at multimodal tasks without a separate vision tower. 180B params Β· Released Aug 26 Β· π¦ Open weights Β· HF β Source
GLM 5.3 Flash β MIT-licensed 321B text-generation model, the open-weight counterpart to the closed GLM 5.3 line. 321.3B params Β· MIT Β· Released Aug 26 Β· π¦ Open weights Β· HF β Source
βββ SPECIALIZED π―
MiniMax Music3 β Open-weights music model that generates complete five-minute songs from lyrics plus a structured caption, not just short clips. Released Aug 17 Β· π¦ Open weights β Source
π Surfaced 3 Β· scanned 5 today
Wednesday, August 26, 2026
Builders get a two-track week: open-weight models pushing into frontier-scale parameter counts, and specialized tools that skip the API entirely.
βββ OPEN FRONTIER π
Qwen3.8 Flash Next β Image-text-to-text at 180B total params, aimed at multimodal tasks without a separate vision tower. 180B params Β· Released Aug 26 Β· π¦ Open weights Β· HF β Source
GLM 5.3 Flash β MIT-licensed 321B text-generation model, the open-weight counterpart to the closed GLM 5.3 line. 321.3B params Β· MIT Β· Released Aug 26 Β· π¦ Open weights Β· HF β Source
βββ SPECIALIZED π―
MiniMax Music3 β Open-weights music model that generates complete five-minute songs from lyrics plus a structured caption, not just short clips. Released Aug 17 Β· π¦ Open weights β Source
π Surfaced 3 Β· scanned 5 today
π€ ModelBytes Digest
Thursday, August 27, 2026
Today's releases push multimodal and speech-to-text into default building blocks: a 1M-context Qwen flash for agentic UI work, an open 9B image-text model, and GA transcription from Gemini.
βββ OPEN FRONTIER π
Qwen3.8 Flash β Multimodal reasoning for coding, agentic workflows, visual understanding, and document/codebase analysis. Released Aug 26. Context 1.0M; $0.15/$0.47 per 1M. β‘ API live Β· OpenRouter. β Source
βββ SPECIALIZED π―
UI-Venus 2 9B β Open 9B image-text-to-text model for UI-centric multimodal workflows. Released Aug 26. 9B params; Apache-2.0. π¦ Open weights Β· HF. β Source
Gemini 3.5 Transcribe β Two dedicated speech-to-text models based on Gemini audio understanding, now generally available. Released Aug 26. GA. β‘ API live Β· Google AI. β Source
π Surfaced 3 Β· scanned 8 today
Thursday, August 27, 2026
Today's releases push multimodal and speech-to-text into default building blocks: a 1M-context Qwen flash for agentic UI work, an open 9B image-text model, and GA transcription from Gemini.
βββ OPEN FRONTIER π
Qwen3.8 Flash β Multimodal reasoning for coding, agentic workflows, visual understanding, and document/codebase analysis. Released Aug 26. Context 1.0M; $0.15/$0.47 per 1M. β‘ API live Β· OpenRouter. β Source
βββ SPECIALIZED π―
UI-Venus 2 9B β Open 9B image-text-to-text model for UI-centric multimodal workflows. Released Aug 26. 9B params; Apache-2.0. π¦ Open weights Β· HF. β Source
Gemini 3.5 Transcribe β Two dedicated speech-to-text models based on Gemini audio understanding, now generally available. Released Aug 26. GA. β‘ API live Β· Google AI. β Source
π Surfaced 3 Β· scanned 8 today
π€ ModelBytes Digest
Friday, August 28, 2026
Today's releases split between massive open-weight generalists (Hy4 Preview at 780B, Granite 4.2 local reasoning) and narrow specialized tools (finance, diarization, time-series), so builders can pair a local reasoning core with cheap domain-specific APIs.
βββ OPEN FRONTIER π
Hy4 Preview β Tencent's 780B open-weight text-generation model under Apache 2.0, a large generalist for custom deployment. 780B params Β· Apache 2.0 Β· Released Aug 27. π¦ Open weights Β· HF. β Source
βββ SPECIALIZED π―
Ling 3.0 Flash Fin β Finance-focused MoE with 5.1B active params out of 124B, 262k context, free API for investment workflows. 5.1B active / 124B total Β· 262k context Β· Closed/API Β· FREE Β· Released Aug 27. β‘ API live Β· OpenRouter. β Source
Nemotron 3 Diarization Preview β Voice-activity-detection model for speaker diarization, a building block for audio pipelines. Released Aug 24. π¦ Open weights Β· HF. β Source
TimesFM 3.0 β Time-series forecasting model at 331M params, small enough to embed in analytics. 331M params Β· Released Aug 24. π¦ Open weights Β· HF. β Source
βββ LOCAL π
Granite 4.2 β Open-weight reasoning family in 3B, 8B, and 30B sizes for local and enterprise deployment under Apache 2.0. 3B/8B/30B Β· Apache 2.0 Β· Released Aug 25. π¦ Open weights. β Source
π Surfaced 5 Β· scanned 8 today
Friday, August 28, 2026
Today's releases split between massive open-weight generalists (Hy4 Preview at 780B, Granite 4.2 local reasoning) and narrow specialized tools (finance, diarization, time-series), so builders can pair a local reasoning core with cheap domain-specific APIs.
βββ OPEN FRONTIER π
Hy4 Preview β Tencent's 780B open-weight text-generation model under Apache 2.0, a large generalist for custom deployment. 780B params Β· Apache 2.0 Β· Released Aug 27. π¦ Open weights Β· HF. β Source
βββ SPECIALIZED π―
Ling 3.0 Flash Fin β Finance-focused MoE with 5.1B active params out of 124B, 262k context, free API for investment workflows. 5.1B active / 124B total Β· 262k context Β· Closed/API Β· FREE Β· Released Aug 27. β‘ API live Β· OpenRouter. β Source
Nemotron 3 Diarization Preview β Voice-activity-detection model for speaker diarization, a building block for audio pipelines. Released Aug 24. π¦ Open weights Β· HF. β Source
TimesFM 3.0 β Time-series forecasting model at 331M params, small enough to embed in analytics. 331M params Β· Released Aug 24. π¦ Open weights Β· HF. β Source
βββ LOCAL π
Granite 4.2 β Open-weight reasoning family in 3B, 8B, and 30B sizes for local and enterprise deployment under Apache 2.0. 3B/8B/30B Β· Apache 2.0 Β· Released Aug 25. π¦ Open weights. β Source
π Surfaced 5 Β· scanned 8 today
π€ ModelBytes Digest
Saturday, August 29, 2026
βββ ALSO TRACKED
β’ glm-5.3-flash:batch (openrouter)
Total: 1 items tracked today
Saturday, August 29, 2026
βββ ALSO TRACKED
β’ glm-5.3-flash:batch (openrouter)
Total: 1 items tracked today
π€ ModelBytes Digest
Sunday, August 30, 2026
Todayβs only fresh release is a 30B open-weight model aimed at 20GB VRAM, continuing the local-first push.
βββ LOCAL π
Meta Muse Glimmer β 30B open-weight model sized for consumer GPUs, fitting in 20GB VRAM for local deployment. 30B params, open weights. π¦ Open weights. β Source
π Surfaced 1 Β· scanned 2 today
Sunday, August 30, 2026
Todayβs only fresh release is a 30B open-weight model aimed at 20GB VRAM, continuing the local-first push.
βββ LOCAL π
Meta Muse Glimmer β 30B open-weight model sized for consumer GPUs, fitting in 20GB VRAM for local deployment. 30B params, open weights. π¦ Open weights. β Source
π Surfaced 1 Β· scanned 2 today
π€ ModelBytes Digest
Monday, August 31, 2026
Todayβs split: closed frontier polish in Grok 4.1 versus open-weight specialization for Indian scripts and long-context handling β builders get cheaper local options without waiting for the next giant.
βββ OPEN FRONTIER π
Gnani Evon β Open-weight model with a tokenizer rebuilt for Indian scripts, targeting lower AI costs for enterprise agents. Open weights. Released Aug 29. π¦ Open weights. β Source
ContextPilot 8B β Text-generation model at 8B total params, part of a family for context handling. 8B params. Released Aug 27. π¦ Open weights Β· HF. β Source
ContextPilot 14B β Larger 14B sibling for context-heavy tasks. 14B params. Released Aug 27. π¦ Open weights Β· HF. β Source
ContextPilot E4B β 7.9B efficient variant, likely for lower-resource deployment. 7.9B params. Released Aug 27. π¦ Open weights Β· HF. β Source
βββ CLOSED FRONTIER π
Grok 4.1 β Lower hallucination rate and API access at competitive pricing, positioned against Gemini 3. β‘ API live. β Source
π Surfaced 5 Β· scanned 4 today
Monday, August 31, 2026
Todayβs split: closed frontier polish in Grok 4.1 versus open-weight specialization for Indian scripts and long-context handling β builders get cheaper local options without waiting for the next giant.
βββ OPEN FRONTIER π
Gnani Evon β Open-weight model with a tokenizer rebuilt for Indian scripts, targeting lower AI costs for enterprise agents. Open weights. Released Aug 29. π¦ Open weights. β Source
ContextPilot 8B β Text-generation model at 8B total params, part of a family for context handling. 8B params. Released Aug 27. π¦ Open weights Β· HF. β Source
ContextPilot 14B β Larger 14B sibling for context-heavy tasks. 14B params. Released Aug 27. π¦ Open weights Β· HF. β Source
ContextPilot E4B β 7.9B efficient variant, likely for lower-resource deployment. 7.9B params. Released Aug 27. π¦ Open weights Β· HF. β Source
βββ CLOSED FRONTIER π
Grok 4.1 β Lower hallucination rate and API access at competitive pricing, positioned against Gemini 3. β‘ API live. β Source
π Surfaced 5 Β· scanned 4 today
π€ ModelBytes Digest
Tuesday, September 01, 2026
Today's releases split between a faster closed reasoning API and sparse open-weight additions, so builders get a cheap diffusion-LLM option but little new local horsepower.
βββ OPEN FRONTIER π
InternLumina U2 β New Apache-2.0 open-weight release from InternLM with no published parameter count or task focus yet. License Apache-2.0 Β· Released Sep 1. π¦ Open weights Β· HF. β Source
Granite 4.2 8B β IBM's dense reasoning model gets an 8B API variant, adding a cheaper option for math, code generation, and agentic workflows. Context 131k Β· $0.10/$0.15 per 1M Β· Released Aug 31. β‘ API live Β· OpenRouter. β Source
βββ CLOSED FRONTIER π
Mercury 2.5 Preview β Diffusion LLM that produces and refines multiple tokens in parallel, targeting the fastest reasoning latency. Closed/API Β· Context 260k Β· $0.04/$0.15 per 1M Β· Released Aug 31. β‘ API live Β· OpenRouter. β Source
π Surfaced 3 Β· scanned 11 today
Tuesday, September 01, 2026
Today's releases split between a faster closed reasoning API and sparse open-weight additions, so builders get a cheap diffusion-LLM option but little new local horsepower.
βββ OPEN FRONTIER π
InternLumina U2 β New Apache-2.0 open-weight release from InternLM with no published parameter count or task focus yet. License Apache-2.0 Β· Released Sep 1. π¦ Open weights Β· HF. β Source
Granite 4.2 8B β IBM's dense reasoning model gets an 8B API variant, adding a cheaper option for math, code generation, and agentic workflows. Context 131k Β· $0.10/$0.15 per 1M Β· Released Aug 31. β‘ API live Β· OpenRouter. β Source
βββ CLOSED FRONTIER π
Mercury 2.5 Preview β Diffusion LLM that produces and refines multiple tokens in parallel, targeting the fastest reasoning latency. Closed/API Β· Context 260k Β· $0.04/$0.15 per 1M Β· Released Aug 31. β‘ API live Β· OpenRouter. β Source
π Surfaced 3 Β· scanned 11 today
π€ ModelBytes Digest
Wednesday, September 02, 2026
Today's pattern is incremental frontier upgrades for agentic coding and long-horizon work, plus one small open-weight model for local tinkering.
βββ CLOSED FRONTIER π
Claude Fable 5.1 β Successor to Fable 5 with the biggest gains in agentic coding, long-running workflows, and knowledge work; same price but cheaper cache reads. 1M context, closed API, $10/$50 per 1M. Released Sep 1. β‘ API live Β· OpenRouter. β Source
Claude Mythos 5.1 β Anthropic's companion reasoning-vision model launched alongside Fable 5.1. Closed API. Released Sep 1. β‘ API live Β· Anthropic. β Source
Gemini 3.8 Flash β Google's most intelligent Flash model, with significant gains over 3.7 Flash in software engineering, agentic tasks, and multi-step reasoning. 1M context, closed API, $0.75/$3.75 per 1M. Released Sep 2. β‘ API live Β· OpenRouter. β Source
βββ LOCAL π
tiny-aya-l2-thinker β Cohere's 3.4B open-weight text-generation model under a non-commercial license, small enough for local experimentation. 3.4B total params, CC BY-NC 4.0. Released Sep 2. π¦ Open weights Β· HF. β Source
π Surfaced 4 Β· scanned 10 today
Wednesday, September 02, 2026
Today's pattern is incremental frontier upgrades for agentic coding and long-horizon work, plus one small open-weight model for local tinkering.
βββ CLOSED FRONTIER π
Claude Fable 5.1 β Successor to Fable 5 with the biggest gains in agentic coding, long-running workflows, and knowledge work; same price but cheaper cache reads. 1M context, closed API, $10/$50 per 1M. Released Sep 1. β‘ API live Β· OpenRouter. β Source
Claude Mythos 5.1 β Anthropic's companion reasoning-vision model launched alongside Fable 5.1. Closed API. Released Sep 1. β‘ API live Β· Anthropic. β Source
Gemini 3.8 Flash β Google's most intelligent Flash model, with significant gains over 3.7 Flash in software engineering, agentic tasks, and multi-step reasoning. 1M context, closed API, $0.75/$3.75 per 1M. Released Sep 2. β‘ API live Β· OpenRouter. β Source
βββ LOCAL π
tiny-aya-l2-thinker β Cohere's 3.4B open-weight text-generation model under a non-commercial license, small enough for local experimentation. 3.4B total params, CC BY-NC 4.0. Released Sep 2. π¦ Open weights Β· HF. β Source
π Surfaced 4 Β· scanned 10 today
π€ ModelBytes Digest
Thursday, September 03, 2026
Today's pattern is looser access: Meta teases open weights for Muse Spark while shipping a closed API tier, Anthropic cuts Fable/Mythos prices, and open labs push small permissive multimodal and reasoning models.
βββ OPEN FRONTIER π
Qwen Drive 1.0 4B β Small open multimodal model for image+text tasks where a 4B footprint is enough. 4B params, Apache-2.0. Released Aug 27. π¦ Open weights Β· HF. β Source
βββ CLOSED FRONTIER π
Muse Spark 1.3 β Meta's multimodal reasoning model for long-running agentic and coding workflows; open weights teased, with a cheaper contributor tier at $0.10/$0.20 per 1M. 1M context, closed API, $1.25/$4.25 per 1M. Released Sep 2. β‘ API live Β· OpenRouter. β Source
Gemini 3.8 Flash Cyber β Cyber variant of the 3.8 Flash line, announced alongside the base model. Released Sep 2. β Source
βββ SPECIALIZED π―
MobileVLA R1 β Mobile vision-language-action model from BAAI, CC-BY-SA-4.0. Released Sep 3. π¦ Open weights Β· HF. β Source
Recon2Reason Reasoning 4B β 4B image-text-to-text reasoning model, Apache-2.0. 4B params, Apache-2.0. Released Sep 3. π¦ Open weights Β· HF. β Source
π Surfaced 5 Β· scanned 9 today
Thursday, September 03, 2026
Today's pattern is looser access: Meta teases open weights for Muse Spark while shipping a closed API tier, Anthropic cuts Fable/Mythos prices, and open labs push small permissive multimodal and reasoning models.
βββ OPEN FRONTIER π
Qwen Drive 1.0 4B β Small open multimodal model for image+text tasks where a 4B footprint is enough. 4B params, Apache-2.0. Released Aug 27. π¦ Open weights Β· HF. β Source
βββ CLOSED FRONTIER π
Muse Spark 1.3 β Meta's multimodal reasoning model for long-running agentic and coding workflows; open weights teased, with a cheaper contributor tier at $0.10/$0.20 per 1M. 1M context, closed API, $1.25/$4.25 per 1M. Released Sep 2. β‘ API live Β· OpenRouter. β Source
Gemini 3.8 Flash Cyber β Cyber variant of the 3.8 Flash line, announced alongside the base model. Released Sep 2. β Source
βββ SPECIALIZED π―
MobileVLA R1 β Mobile vision-language-action model from BAAI, CC-BY-SA-4.0. Released Sep 3. π¦ Open weights Β· HF. β Source
Recon2Reason Reasoning 4B β 4B image-text-to-text reasoning model, Apache-2.0. 4B params, Apache-2.0. Released Sep 3. π¦ Open weights Β· HF. β Source
π Surfaced 5 Β· scanned 9 today
π€ ModelBytes Digest
Friday, September 04, 2026
Todayβs split between fully open small models and a 438B reasoning model means builders can pick auditability or raw scale.
βββ OPEN FRONTIER π
K2 Horizon β Fully open release with weights, code, and training data, rare for builders who need to audit or reproduce the full stack. Released Sep 3. Open weights, code, training data. β Source
Spark X2.5 4B β A compact 4B text model under Apache 2.0, useful for lightweight generation without a closed API. Released Sep 4. 4B params, Apache 2.0. π¦ Open weights Β· HF. β Source
βββ CLOSED FRONTIER π
Quasar 438B β A 438B reasoning model aimed at complex multi-step inference, pushing parameter scale for reasoning-heavy workloads. Released Sep 4. 438B params. β Source
βββ SPECIALIZED π―
GaussianMind β Audio-text-to-text in 5.6B params with Apache 2.0, targeting speech-plus-language tasks without a closed API. Released Sep 3. 5.6B params, Apache 2.0. π¦ Open weights Β· HF. β Source
π Surfaced 4 Β· scanned 6 today
Friday, September 04, 2026
Todayβs split between fully open small models and a 438B reasoning model means builders can pick auditability or raw scale.
βββ OPEN FRONTIER π
K2 Horizon β Fully open release with weights, code, and training data, rare for builders who need to audit or reproduce the full stack. Released Sep 3. Open weights, code, training data. β Source
Spark X2.5 4B β A compact 4B text model under Apache 2.0, useful for lightweight generation without a closed API. Released Sep 4. 4B params, Apache 2.0. π¦ Open weights Β· HF. β Source
βββ CLOSED FRONTIER π
Quasar 438B β A 438B reasoning model aimed at complex multi-step inference, pushing parameter scale for reasoning-heavy workloads. Released Sep 4. 438B params. β Source
βββ SPECIALIZED π―
GaussianMind β Audio-text-to-text in 5.6B params with Apache 2.0, targeting speech-plus-language tasks without a closed API. Released Sep 3. 5.6B params, Apache 2.0. π¦ Open weights Β· HF. β Source
π Surfaced 4 Β· scanned 6 today
π€ ModelBytes Digest
Saturday, September 05, 2026
Today's releases extend frontier API access to long-context multimodal work, with OpenAI's Astra line and a fresh Qwen Max snapshot both targeting builders who need 1M+ token windows and vision input.
βββ OPEN FRONTIER π
Qwen3.8 Max 0902 β Updated snapshot of Alibaba's 2.4T-param MoE that takes text, image, and video input and returns text, aimed at builders needing a cheaper multimodal frontier alternative. Released Sep 3 Β· 1.0M context Β· $2.00/$6.00 per 1M. β‘ API live Β· OpenRouter. β Source
βββ CLOSED FRONTIER π
GPT-6 Astra β OpenAI's flagship for end-to-end work: advanced analysis, software engineering, deep research, scientific work, and document creation, with a 1.1M context window. Released Sep 4 Β· 1.1M context Β· $10.00/$50.00 per 1M. β‘ API live Β· OpenRouter. β Source
GPT-6 Astra Pro β Same underlying Astra model served with reasoning.mode=pro for higher-quality responses on complex tasks, for builders who want a toggle rather than a separate model. Released Sep 4 Β· 1.1M context Β· $10.00/$50.00 per 1M. β‘ API live Β· OpenRouter. β Source
π Surfaced 3 Β· scanned 6 today
Saturday, September 05, 2026
Today's releases extend frontier API access to long-context multimodal work, with OpenAI's Astra line and a fresh Qwen Max snapshot both targeting builders who need 1M+ token windows and vision input.
βββ OPEN FRONTIER π
Qwen3.8 Max 0902 β Updated snapshot of Alibaba's 2.4T-param MoE that takes text, image, and video input and returns text, aimed at builders needing a cheaper multimodal frontier alternative. Released Sep 3 Β· 1.0M context Β· $2.00/$6.00 per 1M. β‘ API live Β· OpenRouter. β Source
βββ CLOSED FRONTIER π
GPT-6 Astra β OpenAI's flagship for end-to-end work: advanced analysis, software engineering, deep research, scientific work, and document creation, with a 1.1M context window. Released Sep 4 Β· 1.1M context Β· $10.00/$50.00 per 1M. β‘ API live Β· OpenRouter. β Source
GPT-6 Astra Pro β Same underlying Astra model served with reasoning.mode=pro for higher-quality responses on complex tasks, for builders who want a toggle rather than a separate model. Released Sep 4 Β· 1.1M context Β· $10.00/$50.00 per 1M. β‘ API live Β· OpenRouter. β Source
π Surfaced 3 Β· scanned 6 today
π€ ModelBytes Digest
Sunday, September 06, 2026
Todayβs split: a 16B Apache-2.0 open-weight text model for self-hosting, while xAI pushes a managed coding/agent frontier modelβbuilders can choose local control or closed capability.
βββ OPEN FRONTIER π
LLaDA 2.2 Mini β A 16.3B-param Apache-2.0 text-generation model, small enough to self-host while staying permissively licensed. Released Sep 5. π¦ Open weights Β· HF. β Source
βββ CLOSED FRONTIER π
Grok 4.6 β xAIβs most capable model, built for coding, agentic tasks, and knowledge work. β‘ API live Β· Google Cloud Agent Platform. β Source
π Surfaced 2 Β· scanned 2 today
Sunday, September 06, 2026
Todayβs split: a 16B Apache-2.0 open-weight text model for self-hosting, while xAI pushes a managed coding/agent frontier modelβbuilders can choose local control or closed capability.
βββ OPEN FRONTIER π
LLaDA 2.2 Mini β A 16.3B-param Apache-2.0 text-generation model, small enough to self-host while staying permissively licensed. Released Sep 5. π¦ Open weights Β· HF. β Source
βββ CLOSED FRONTIER π
Grok 4.6 β xAIβs most capable model, built for coding, agentic tasks, and knowledge work. β‘ API live Β· Google Cloud Agent Platform. β Source
π Surfaced 2 Β· scanned 2 today