Project AI

langchain-anthropic==

Releases tracked

14 days

Avg cadence

May 2026

First tracked

8d ago

Latest

Release history

LangChain's Anthropic integration adds standard model exception types and fixes directory search scope issues

LangChain Anthropic 1.5.6 fixes tool result block normalization and corrects model profile data for recent Claude versions

Langchain-anthropic 1.5.4 fixes tool schema composition handling, preserves tool_choice settings, and adds user_profile_id attribute support

LangChain Anthropic added Claude Opus 5 model support for AI tooling integrations

LangChain's Anthropic integration now supports LangSmith gateway via environment variable and enables structured output for Claude Opus 4.8

Adds reasoning-effort as a standard parameter; Fixes builtin tool recognition

Normalizes cross-provider tool-call IDs in Anthropic integration to ensure consistent behavior across different LLM providers