Project AI

langchain-openai==

Releases tracked

8 days

Avg cadence

Jun 2026

First tracked

8d ago

Latest

Release history

Langchain-openai adds standard model exception types and improves error handling for unexpected OpenAI API response types

Fixes reasoning item boundaries, adds gateway metadata extraction, and extends token counting support to o-series models

Adds gateway metadata extraction from response headers. Fixes o-series token counting

Filters langchain-generated content-block IDs; Handles ContextWindowExceededError

LangChain OpenAI adds LangSmith gateway support via environment variable and fixes GPT-5.3 profile configuration

Adds reasoning-effort parameter; Bumps Pillow to 12.3.0

Suppresses Pydantic serializer warnings on structured output parsed fields and fixes async context loop handling

Fixes tool schema strictness for OpenAI-compatible models and removes unnecessary response storage fields and stop parameters from API calls

Fixes streamed tool call normalization and structured output fallbacks, adds package version tracking to tracing metadata

Langchain-openai 1.3.0 adds support for OpenAI's apply_patch built-in tool and updates model profile data