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Gemini Deep Research
What ChatGPT, Claude, Gemini & Grok actually say · July 2026
The verdict
Gemini Deep Research appears in 1 AI-ranked category — best position #3 for deep research api for agents.
Claude #3
Google Search grounding plus massive context windows make it excellent at wide-coverage synthesis, and Google's pricing and quota story is attractive for scaled agent fleets
Where Gemini Deep Research falls short, per the models
- Claude Mature the API surface — developer access to the full Deep Research agent (vs. plain search grounding) is newer and less configurable than rivals, with fewer knobs for steering the research plan
Top alternatives per the models: OpenAI Deep Research · Perplexity Sonar Deep Research · Exa Research · Parallel
Rankings are computed from what the models answer, re-polled continuously · raw reasoning shown verbatim · methodology