Google deprecates Gemini Deep Research pro-preview agent, shutdown set for October 23, 2026
Overview
Google has deprecated its deep-research-pro-preview-12-2025 Deep Research agent in the Gemini API, and it will be shut down on October 23, 2026.
According to Google's first-party API changelog, developers must migrate by updating the agent parameter in their interactions.create requests.
Google names two replacements: deep-research-preview-04-2026, which it describes as built for speed and streaming to client UIs, and deep-research-max-preview-04-2026, which it describes as built for maximum comprehensiveness in automated context gathering and synthesis. Requests still using the old agent name will stop working after the shutdown date.
Written by AI from the articles below · updated Oct 9, 5:51 AM ET
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- Gemini API ChangelogGemini Deep Research pro-preview agent deprecated; migrate by October 23, 2026
AIGoogle is deprecating the deep-research-pro-preview-12-2025 Deep Research agent, which will be shut down on October 23, 2026. Developers should update the agent parameter in interactions.create requests to deep-research-preview-04-2026, built for speed and streaming to client UIs, or deep-research-max-preview-04-2026, built for maximum comprehensiveness in automated context gathering and synthesis.
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