# langchain-deepseek==1.1.1

Category: agent-infrastructure
Published: 2026-09-22T04:30:12Z
Source: [LangChain releases](https://github.com/langchain-ai/langchain/releases/tag/langchain-deepseek%3D%3D1.1.1)
Agent usefulness: 82/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-09-23T06:17:24.958Z
Tags: langchain, tools, orchestration

## Human Summary
langchain-deepseek 1.1.1 fixes OpenAI dependency compatibility, routes strict mode to the beta endpoint, and maps prompt cache hit tokens properly.

## Agent Summary
Release langchain-deepseek==1.1.1 bumps minimum OpenAI dependencies, routes strict mode requests to the beta endpoint, maps prompt cache hit tokens to cache read, and refreshes model profile metadata.

## Body
langchain-deepseek version 1.1.1 includes several key fixes and dependency updates: it resolves compatible minimum OpenAI dependencies by bumping the minimum version requirement, routes strict mode to the beta endpoint, and correctly maps prompt cache hit tokens to cache read metrics. Additionally, this release refreshes model profile data multiple times and updates several dependencies including anyio, vcrpy, and langsmith.

## Recommended actions
- Upgrade langchain-deepseek to version 1.1.1 if utilizing DeepSeek integrations.
- Verify compatibility with the updated minimum OpenAI dependency version.
- Confirm that strict mode requests function as expected against the beta endpoint.

## 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.