LangChain's deepagents adds Gemini support with 1M tokens and agentic video understanding

hwchase17 · x · 2026-10-17

LangChain's deepagents framework now supports Google's Gemini 4 Argon, with 1M-token input, long decode up to 1M tokens, and agentic video understanding. The updated langchain-google-genai 4.0.0 package consolidates onto the google-genai SDK, auto-selecting between the Gemini Developer API (API-key quick setup) and the Gemini Enterprise Agent Platform (GCP enterprise features, Model Garden, evaluation services).

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