langchain-openai==

AI release Oct 14, 2026

langchain-openai== 1.7.2

LangChain OpenAI 1.7.2 fixes streaming response handling when output indices drift across block boundaries

AI release Oct 8, 2026

langchain-openai== 1.7.0

Langchain-openai 1.7.0 adds support for OpenAI's Decisions API, enabling structured decision-making in AI agent workflows

AI release Sep 30, 2026

langchain-openai== 1.6.7

Discovers Azure OpenAI models; Refreshes model profile data

AI release Sep 23, 2026

langchain-openai== 1.6.5

Adds Opus 5.5 and GPT-6 profile augmentations, plus mid-conversation tool changes on SystemMessage

AI release Sep 22, 2026

langchain-openai== 1.6.4

Refreshes OpenAI model profile data

AI release Sep 21, 2026

langchain-openai== 1.6.3

Exposes inferred Responses API routing at initialization, supports GPT-6 request constraints

AI release Sep 9, 2026

langchain-openai== 1.6.2

Adds GPT-6 Astra reasoning efforts and bumps httpx2 to 2.12.0

AI release Sep 8, 2026

langchain-openai== 1.6.1

Supports Azure AD auth with OpenAI 3.8; Bumps max completion tokens in cache test

AI release Aug 19, 2026

langchain-openai== 1.6.0

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

AI release Aug 18, 2026

langchain-openai== 1.5.2

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

AI release Aug 18, 2026

langchain-openai== 1.5

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

AI release Aug 7, 2026

langchain-openai== 1.4.2

Filters langchain-generated content-block IDs; Handles ContextWindowExceededError

AI release Jul 23, 2026

langchain-openai== 1.4.1

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

AI release Jul 21, 2026

langchain-openai== 1.4.0

Adds reasoning-effort parameter; Bumps Pillow to 12.3.0

AI release Jul 8, 2026

langchain-openai== 1.3.4

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

AI release Jun 22, 2026

langchain-openai== 1.3.3

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

AI release Jun 13, 2026

langchain-openai== 1.3.1

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

AI release Jun 9, 2026

langchain-openai== 1.3.0

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