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Claude API alternatives

The most searched Claude API alternatives in the ZeroCrew directory are DeepSeek, OpenRouter, and OpenAI API. Every tool here is in AI models, ranked by monthly Google searches for its name.

Free planMCPAgents
DeepSeek by DeepSeekLow-cost models through an API, with open weights.ModelOpen weights1.22M searches/mo
OpenRouter by OpenRouterOne API and one bill for hundreds of AI models from every provider.AppMCP135k searches/mo ↑ 176%
OpenAI API by OpenAIThe GPT models through an API, for text, images, voice, and agents.Model50k searches/mo
Gemini API by GoogleGoogle's Gemini models through an API, with long context and multimodal input.Model41k searches/mo
Mistral by Mistral AIEuropean AI models through an API, with some open-weight models you can run yourself.ModelOpen weights22k searches/mo
Grok API by xAIxAI's Grok models through an API, with web and X search, images, video, and voice.Model9.9k searches/mo ↑ 50%
Llama by MetaMeta's open-weight models you can run yourself or through many hosts.ModelOpen weights8.1k searches/mo