Fixes structured output routing for Fable and Opus 5.5
LangChain releases langchain-anthropic 1.7.3 with structured output routing fixes for Fable and Opus 5.5.
Changes since langchain-anthropic==1.7.2 release(anthropic): 1.7.3 (#40773) chore(model-profiles): refresh anthropic model profile data (#40772) fix(anthropic): auto-route `with_structured_output` to `method="json_schema"` for fable and opus 5.5 (#40766) chore(anthropic): update docs for Opus 5.5 (#40765) feat(anthropic): send mid-conversation `SystemMessage`s in place (#40622) chore(deps): bump anyio from 4.11.0 to 4.14.2 in /libs/partners/anthropic (#40643)
§ how this story moved
- primary — MarkTechPost publishes the launch post.
- LangChain (Python) — Releases picks up coverage.