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LangChainLangChain/LangChain (Python)

Structured output for Claude Opus 4.8; LangSmith gateway via env var

langchain-anthropic==1.5.1

July 23, 2026LangChain (Python)View original ↗
1 feature1 fixThis release1 featureNew capabilities1 fixBug fixesAI-tallied from the release notes

Changes since langchain-anthropic==1.5.0

release(anthropic): 1.5.1 (#39043) feat(anthropic,fireworks,openai): support langsmith gateway through env var (#38742) fix(anthropic): enable structured output for Claude Opus 4.8 (#39021)

Fetched July 24, 2026