Agent Frameworknpmhigh schema drift risk

ai

Vercel AI SDK Core by Vercel

AI SDK by Vercel - build apps like ChatGPT, Claude, Gemini, and more with a single interface for any model using the Vercel AI Gateway or go direct to OpenAI, Anthropic, Google, or any other model provider.

Live Registry Versionv7.0.152Previous: v7.0.152Published 2026-10-23

Stability Grade

C+ (70/100)

90-Day Velocity

244 releases

High release cadence

Dependencies

3 direct

NPM manifest

License

Apache-2.0

Verified on NPM

Recommended Exact Pin: npm install ai@7.0.152

NPM Registry ->GitHub Repo ->

TL;DR Verdict & Quick Citation Summary (2026-10-24)Source: AgentBreakWatch Live NPM Index

Vercel AI SDK Core (ai) is currently at v7.0.152 on NPM (published 2026-10-23), with a 90-day stability score of 70/100 (C+) and HIGH schema drift risk across 244 releases in the past 90 days. AI SDK v7 unifies LanguageModelV3 provider specifications, replaces maxSteps with stopWhen(stepCountIs(n)), and restructures UIMessage stream parts. Production teams should pin npm install ai@7.0.152 rather than using unpinned @latest tags.

Breaking Changes & Tool Schema Drift Analysis

AI SDK v7 unifies LanguageModelV3 provider specifications, replaces maxSteps with stopWhen(stepCountIs(n)), and restructures UIMessage stream parts.

Watched Exports / MCP Tool Signatures:

generateTextstreamTexttoolstopWhenUIMessage

Before (Deprecated / Unpinned Pattern)

const result = await generateText({
  model: openai("gpt-4o"),
  maxSteps: 5,
  tools: { weather: tool({ parameters: z.object({ city: z.string() }), execute }) }
});

After (Verified v7.0.152 Pattern)

const result = await generateText({
  model: openai("gpt-5"),
  stopWhen: stepCountIs(5),
  tools: { weather: tool({ inputSchema: z.object({ city: z.string() }), execute }) }
});

Frequently Asked Questions: ai

What is the latest version of ai on NPM?

As of 2026-10-24, the latest stable version of ai (Vercel AI SDK Core by Vercel) on NPM is v7.0.152, published on 2026-10-23. It has shipped 244 releases in the last 90 days.

Does ai v7.0.152 have breaking changes or MCP schema drift risk?

ai currently carries a HIGH schema drift risk rating with a Stability Score of 70/100 (Grade C+). AI SDK v7 unifies LanguageModelV3 provider specifications, replaces maxSteps with stopWhen(stepCountIs(n)), and restructures UIMessage stream parts.

How do I safely pin ai in production?

Avoid unpinned @latest tags in production agent configs. Pin the exact verified version using `npm install ai@7.0.152` and monitor generateText, streamText, tool, stopWhen, UIMessage for parameter or schema changes.

30-Min Registry & Schema Poller