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Claude alternatives

The Claude alternatives ZeroCrew Operators use most are ChatGPT, Gemini Notebook, and Gemini. Every tool here is in AI assistants on ZeroCrew, ranked by how many Operators use it.

Free planMCPAgents
ChatGPT by OpenAIAn AI assistant that answers questions and writes deep research reports with sources.AppFree planHas an agent124M searches/mo
Gemini Notebook by GoogleGemini Notebook (formerly NotebookLM) answers questions about your sources and turns them into overviews.App27k searches/mo ↑ new
Gemini by GoogleGoogle's AI assistant, with Deep Research across the web.AppHas an agent5M searches/mo
Perplexity by PerplexityAnswers research questions with cited sources.AppMCP301k searches/mo