Free Alternatives to OpenAI API

✅ 3 free alternatives compared · 🔒 Privacy-first · 📅 June 11, 2026

About OpenAI API

OpenAI API is a paid AI tool at Pay-per-use: $0.002–$0.06/1K tokens. Every alternative below is free — either open-source, self-hostable, or has a generous free tier with no usage caps.

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🆓 LiteLLM

Free (self-hosted) · Setup: Easy (~10 mins)

⭐ 14k stars
Full Comparison → Get LiteLLM →

🆓 LocalAI

Free (self-hosted) · Setup: Easy (~15 mins)

⭐ 24k stars
Full Comparison → Get LocalAI →

🆓 Ollama

Free · Setup: Very Easy (~5 mins)

⭐ 80k stars
Full Comparison → Get Ollama →
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