claude-3-7-sonnet-20250219
claude-3-5-sonnet-20240620

gemini-2.5-pro-exp-03-25
gemini-2.5-pro-preview-05-06
gemini-2.5-flash-preview-04-17-nothinking
gemini-2.5-flash-preview-04-17-thinking

gpt-4.1
chatgpt-4o-latest

llama-4-scout
llama-4-maverick

qwen3-235b-a22b

deepseek-v3-0324
deepseek-prover-v2-671b

sonar
sonar-pro
sonar-reasoning
sonar-reasoning-pro
sonar-deep-research

command-a-03-2025

🔥 5 New Models Added to Paid API (Provider 5) 🔥

- claude-sonnet-4-20250514
- claude-3-5-sonnet-20241022
- gemini-2.5-flash-preview-05-20
- gemini-2.5-flash-preview-05-20-nothinking
- gemini-2.5-flash-preview-05-20-thinking

Note: You may experience brief rate limiting or downtime on Provider 5 today due to high demand.

• The API is 100% functional for both free and paid users.

• Minor glitches will be fixed within the next 6 hours.

• Some parts of the documentation are AI-generated, so things might f*ck up here and there.

• Official pricing is now live — previous discounts have ended.

• a4f.co reserves the right to add or remove free models dynamically.

• Apologies for the delay — I’m the sole developer and handling this, hence took longer than expected.

• Added Claude 3.7 Sonnet to the free API (may be unstable but gets the job done)
• Added Gemini 2.5 Pro (05-06) to the free API (may be unstable but gets the job done)

• Added Imagen-3 & Imagen 3.5 to the free API (unstable)

• Updated free-tier rate limit to 300 requests per day (rpd)

• Will adjust rate limits up or down based on actual usage

• We have updated the models available in the free tier to improve performance and stability.
• The main GPT model providers have been changed – now using Provider 2 and Provider 4 as the primary sources.

• GPT-based models have been upgraded for better accuracy, response quality, and reliability.

• Most models have been stabilized to reduce downtime and ensure smoother performance.

• Imagen 3 and Imagen 3.5 from Google have been removed from the API due to instability or provider limitations.

• Two new models, Flux Dev and Flux Pro, have been added to the free tier – accessible to all users without needing a paid plan.

• These updates are intended to enhance your experience with more consistent and powerful AI models.

• All changes have been applied automatically – no action is needed from your side.

• If you face any issues with the new models, feel free to report via our support group.

· System prompt support added
· Thinking functionality enabled for thinking models
· Fully optimized for mobile screens
· Auto-scroll bug fixed
· Easier model switching
· Title, description, and icons updated
· Logo alignment for AI models and user fixed
· V1 is still under refinement and will officially replace V2 in 1–2 days
· V2 will be deprecated soon
· Both versions will be made public as part of our open-source contributions

I’ve tried my best to give you what you want, so please take a moment to support us back. 😊 Just a quick upvote or review means a lot! Share a screenshot with me after—it’ll make my day! 🚀
Thanks!

Model Additions
• Added deepseek-r1-0528
• Added Gemini 2.5 Pro 0506
• In Free and Basic tiers across Provider 2 & 4

Image Generation Models
• New image generation models in Provider 4 free tier 👇
• shuttle-3-diffusion
• shuttle-jaguar
• shuttle-3.1-aesthetic
• flux-1.1-pro-ultra
• flux-dev
• flux-schnell
• dall-e-3

System Improvements
• Enhanced platform stability

Plan Updates
• Basic plan modifications under consideration
• Existing customers will remain unaffected by any upcoming changes

We've added uptime, latency, and throughput metrics to help you choose the best performing model for each provider.
• Clear performance data
• Detailed provider comparisons
• Clutter-free interface
• Resigned Models Layout

🏆 Provider 5 continues to lead in stability.

🚀 UPDATES take place from 9 June 9:00 IST

Dear a4f.co users,

We are implementing significant improvements to enhance your experience. Please be aware that the platform may experience temporary downtime during this update process.

PROVIDER OPTIMIZATION 👇

- Reduced from 5 to 4 providers for improved stability
- Removed provider 3 due to unstable function calling capabilities
- Former provider 4 is now provider 3
- Former provider 5 is now provider 4
- All remaining providers offer enhanced reliability

NEW MODEL ADDITIONS 👇

Chat Completion Models:
- Gemini 2.5 Pro 0605
- Claude 4 Sonnet
- Claude 4 Opus

Image Generation Models:
- Flux.1 Kontext Pro
- Flux.1 Kontext Max
- GPT Image 1
- Additional models across various categories

Model list - Here

PLATFORM ENHANCEMENTS 👇

- Comprehensive design refresh for improved user interface
- Enhanced information display with detailed metrics
- Remaining RPD and RPM limits now visible
- Model success rates with expanded accuracy
- More extensive and detailed model information
- Global schema implementation ensuring perfect compatibility with Cline & Roo Code

COMPATIBILITY NOTICE 👇

All models will operate on a unified global schema, guaranteeing seamless integration with development tools. Please note that n8n compatibility has not been tested and may require additional configuration.

We appreciate your patience during this maintenance period and look forward to providing you with an enhanced experience.

Thank you for your continued support.