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
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Context window
1,000,000 tokens
Rate limit
10 RPM · 50 RPD
Model ID
openai/gpt-4.1
Base URL
https://models.github.ai/inference
Last verified
June 2026

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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