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Alternatives

OpenAI Deep Research alternatives, ranked by AI

What ChatGPT, Claude, Gemini & Grok recommend instead of OpenAI Deep Research — on every leaderboard where it competes, with OpenAI Deep Research's own position shown. Re-polled continuously; every ranking links to its full audit trail.

Best deep research API for agents

OpenAI Deep Research ranks #1 of 9
  1. #1Exa
  2. #2Parallel Task API
  3. #3Perplexity Agent API
  4. #4Gemini Deep Research

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