{"generatedAt":"2026-10-24T12:11:27.697Z","canonicalUrl":"https://agentbreakwatch.vercel.app/p/ai-sdk-anthropic","llmsTxtUrl":"https://agentbreakwatch.vercel.app/p/ai-sdk-anthropic/llms.txt","categoryHub":{"slug":"agent-sdks","title":"AI Agent SDKs & Frameworks Breaking-Change Index","url":"https://agentbreakwatch.vercel.app/c/agent-sdks"},"tldrVerdict":"Vercel AI SDK Anthropic Provider (@ai-sdk/anthropic) is currently at v4.0.87 on NPM (published 2026-10-22), with a 90-day Stability Score of 78/100 (B) and MEDIUM schema drift risk. v4 provider requires AI SDK 7+ and moves thinking budget configuration under providerOptions.anthropic.thinking.","package":{"slug":"ai-sdk-anthropic","packageName":"@ai-sdk/anthropic","registry":"npm","kind":"sdk","subcategory":"Model Provider SDK","displayName":"Vercel AI SDK Anthropic Provider","vendor":"Vercel","githubRepo":"vercel/ai","breakingSummary":"v4 provider requires AI SDK 7+ and moves thinking budget configuration under providerOptions.anthropic.thinking.","schemaDriftRisk":"medium","affectedSymbols":["anthropic","providerOptions.anthropic.thinking"],"migrationBefore":"const model = anthropic(\"claude-3-7-sonnet-20250219\", { sendReasoning: true });","migrationAfter":"const result = await generateText({\n  model: anthropic(\"claude-sonnet-4-5\"),\n  providerOptions: { anthropic: { thinking: { type: \"enabled\", budgetTokens: 4000 } } }\n});","description":"Vercel AI SDK Anthropic Provider package.","latestVersion":"4.0.87","latestPublishedAt":"2026-10-22T21:22:25.832Z","recentVersions":[{"version":"4.0.87","publishedAt":"2026-10-22T21:22:25.832Z"},{"version":"4.0.86","publishedAt":"2026-10-22T18:53:25.977Z"},{"version":"2.0.110","publishedAt":"2026-10-21T03:16:32.243Z"},{"version":"4.0.85","publishedAt":"2026-10-21T02:19:43.129Z"},{"version":"3.0.135","publishedAt":"2026-10-21T02:16:53.932Z"},{"version":"4.0.84","publishedAt":"2026-10-20T04:12:11.310Z"}],"releasesLast90d":116,"dependenciesCount":2,"license":"Apache-2.0","registryUrl":"https://www.npmjs.com/package/@ai-sdk/anthropic","githubUrl":"https://github.com/vercel/ai","installCommand":"npm install @ai-sdk/anthropic@4.0.87","stabilityScore":78,"stabilityGrade":"B"}}