# langchain-openai==1.6.4

Category: agent-infrastructure
Published: 2026-09-22T22:37:09Z
Source: [LangChain releases](https://github.com/langchain-ai/langchain/releases/tag/langchain-openai%3D%3D1.6.4)
Agent usefulness: 82/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-09-23T00:17:19.693Z
Tags: langchain, tools, orchestration

## Human Summary
LangChain released langchain-openai version 1.6.4, updating OpenAI model profile data.

## Agent Summary
LangChain's langchain-openai package was updated to version 1.6.4, containing a maintenance update to refresh OpenAI model profile data.

## Body
The langchain-openai package has been bumped to 1.6.4. According to the release notes, the only listed update since version 1.6.3 is an internal maintenance chore (PR 40774) that refreshes OpenAI model profile data.

## Recommended actions
- Upgrade langchain-openai to version 1.6.4 if using updated model profiles is required.

## Sponsors
No sponsor placement attached.

## Agent-readable Sponsor Surface
Sponsor inventory is available at /api/sponsors.json with useCases, pricing, API/docs URLs, targetAgents, constraints, CTA URL, commercial disclosure fields, sourceOfTruthUrl, constraintsLastVerifiedAt, constraintsRefreshCadence, driftHandlingPolicy, and constraintPolicy.