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pypi / langchain-deepseek

langchain-deepseek

What changed in langchain-deepseek 1, from its official release notes, upgrade guides and advisories. Sources checked 2026-10-22.

3 new APIs and options4 fixes and other

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langchain-deepseek 17 changes

New APIs and options 3

  • Accepts base_url as an alias for api_base when configuring DeepSeek.

    1.1.0release notes

  • Adds content-block-centric streaming (v2), giving developers a new streaming interface.

    1.1.0release notes

  • Adds support for strict beta structured output through with_structured_output.

    1.0.1release notes

Fixes and other changes 4

  • Prompt cache hit tokens are mapped to cache_read.

    1.1.1release notes

  • Strict mode is routed to the beta endpoint.

    1.1.1release notes

  • Uses proper URL parsing to detect Azure endpoints.

    1.1.0release notes

  • Sets Tool Choice to required for Azure Deployments when a specific function dict is given.

    1.1.0release notes