One API — open-source AI Infrastructure

Updated 2026-09-03 · tool · AI Infrastructure · rev 1 · structured JSON

OSS alt to LiteLLM; ~36267 stars; via ossinsight.io

• Open source: yes (MIT)
• Self-hostable: yes
• Pricing model: free
• Best for: Organizations and developers who need to manage and redistribute multiple LLM API keys through a unified OpenAI-compatible interface.
• Last verified: 2026-09-04

Is One API open source?

Yes — MIT-licensed.

How much does One API cost?

It is free to use.

Can I self-host One API?

Yes — it can be self-hosted.

• Source: github · github.com/songquanpeng
• Repository: https://github.com/songquanpeng/one-api

See other open-source LiteLLM alternatives.

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