Modelpeers

Gemini Deep Research agent changelog

Every change to Gemini Deep Research agent that Modelpeers has recorded, newest first, each with the source it came from. The record starts Apr 21, 2026.

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April 2026

Gemini Deep Research agent

Agent at Google

New release

New Deep Research agent versions released in the Gemini API

Google released deep-research-preview-04-2026 (built for speed and streaming) and deep-research-max-preview-04-2026 (maximum comprehensiveness), adding collaborative planning, visualization, MCP server integration and File Search.

Who is affected:
Apps that run the Deep Research agent through the Gemini Interactions API.
What to do:
Evaluate the new agent versions. The older deep-research-pro-preview-12-2025 was later scheduled for shutdown.

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