# @ai-sdk/openai@4.0.78

Category: agent-infrastructure
Published: 2026-09-26T01:59:34Z
Source: [Vercel AI SDK releases](https://github.com/vercel/ai/releases/tag/%40ai-sdk/openai%404.0.78)
Agent usefulness: 77/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-09-26T02:17:56.835Z
Tags: vercel, ai-sdk, typescript

## Human Summary
Vercel AI SDK releases published @ai-sdk/openai@4.0.78. Patch Changes - 94d5d6d: Support reasoningEffortUpdate: 'none' for GPT-6 Sol and Luna in request-level options and positioned system messages. Validate update efforts against the model's supported efforts, warning and omitting unsupported request-level updates and rejecting unsupported historical…

## Agent Summary
Treat @ai-sdk/openai@4.0.78 as an official release signal. Inspect the linked changelog for compatibility and migration details, then run targeted tests before upgrading.

## Body
Vercel AI SDK releases published @ai-sdk/openai@4.0.78. This automated release-watch entry was generated from the project's official GitHub release feed and is kept separate from human-reviewed editorial analysis. Release notes: Patch Changes - 94d5d6d: Support reasoningEffortUpdate: 'none' for GPT-6 Sol and Luna in request-level options and positioned system messages. Validate update efforts against the model's supported efforts, warning and omitting unsupported request-level updates and rejecting unsupported historical updates.

## Recommended actions
- Review the official Vercel AI SDK releases release notes before upgrading.
- Check compatibility, migration, and security notes against your current agent stack.
- Run focused regression tests before production rollout.

## 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.