# OpenAI Python SDK v3.27.0

Category: model-behavior
Published: 2026-10-09T13:46:41Z
Source: [OpenAI Python SDK releases](https://github.com/openai/openai-python/releases/tag/v3.27.0)
Agent usefulness: 77/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-10-09T18:17:32.422Z
Tags: openai, sdk, models

## Human Summary
OpenAI Python SDK v3.27.0 adds support for prewarmed hosted environments in the API.

## Agent Summary
OpenAI Python SDK v3.27.0 introduces API support for prewarmed hosted environments via PR 4043.

## Body
OpenAI Python SDK version 3.27.0 was released on October 9, 2026. The release introduces API support for prewarmed hosted environments, referenced in issue/PR 4043 and commit c511a77. No other breaking changes or features are mentioned in the excerpt.

## Recommended actions
- Upgrade openai Python package to v3.27.0 if prewarmed hosted environments are required.
- Consult updated API documentation regarding prewarmed hosted environments configuration and usage.

## 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.