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Open Source Claude API Alternatives

Discover 3 open source alternatives to Claude API. All free, community-driven, and actively maintained.

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What is Claude API?

Claude API provides access to Anthropic's Claude AI model for building conversational applications.

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ollama
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ollama

Get up and running with Kimi-K2.5, GLM-5, MiniMax, DeepSeek, gpt-oss, Qwen, Gemma and other models.

LLM
OpenHands
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OpenHands

🙌 OpenHands: AI-Driven Development

Agent
onyx
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onyx

Open Source AI Platform - AI Chat with advanced features that works with every LLM

AI Chat