gpt-4.1 by GitHub Models
Free prototyping for all GitHub users. 45+ models. Per-request limits (8K in / 4K out).
Access
Free API tier
Free limits
10 RPM, 50 RPD
Modality
text
Credit card
Not required
Commercial use
Unclear, verify
Context window
1,000,000 tokens
Model ID
openai/gpt-4.1
Base URL
https://models.github.ai/inference
Last verified
June 2026
How to use gpt-4.1
Free prototyping for all GitHub users. 45+ models. Per-request limits (8K in / 4K out).
Quickstart
curl https://models.github.ai/inference/chat/completions \
-H "Authorization: Bearer $KEY" \
-d '{"model":"openai/gpt-4.1","messages":[{"role":"user","content":"hi"}]}'Frequently asked
Is gpt-4.1 free?
Yes. GitHub Models offers it as Free API tier with these limits: 10 RPM, 50 RPD. No credit card is required.
Can I use gpt-4.1 commercially?
Commercial terms are not clearly documented. Check the provider's current terms before shipping.
How do I start using gpt-4.1?
Free prototyping for all GitHub users. 45+ models. Per-request limits (8K in / 4K out).
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