# OpenAI Python SDK v3.28.0

Category: model-behavior
Published: 2026-10-09T20:49:22Z
Source: [OpenAI Python SDK releases](https://github.com/openai/openai-python/releases/tag/v3.28.0)
Agent usefulness: 77/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-10-10T00:17:31.660Z
Tags: openai, sdk, models

## Human Summary
OpenAI Python SDK v3.28.0 adds API support for agent environment suspension and expiration, alongside dependency and security updates.

## Agent Summary
OpenAI Python SDK release v3.28.0 introduces API-level support for agent environment suspension and expiration, updates the PyJWT security constraint to 2.14.0, and updates CI/tooling dependencies.

## Body
The OpenAI Python SDK has released version 3.28.0. The primary feature addition is API support for agent environment suspension and expiration (PR 4046). Additionally, the release includes maintenance chores: updating the PyJWT security constraint to 2.14.0 ( 3991), bumping astral-sh/setup-uv from 10.1.0 to 10.2.0 ( 4026), and updating CodeQL init and analyze to 4.38.2 ( 4025).

## Recommended actions
- Upgrade openai Python SDK to v3.28.0 to utilize agent environment suspension and expiration features.
- Verify compatibility with the updated PyJWT constraint (2.14.0) if managing shared dependency trees.

## 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.