Lars Grammel
@lgrammel
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Joined May 2009
Finally - almost 5 months of work, our biggest release so far. Completely revamped, type-safe AI chat is a game changer imo. I don't know any other framework that has full stack support for this. Hope it will enable you to build the next generation of AI applications.
AI SDK 5 Introducing type-safe chat, agentic loop controls, data parts, speech generation and transcription, Zod 4 support, global provider, and raw request access.
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I've had a lot of people ask me how to build components properly. How do you think about things like composition, polymorphism, slots, data attributes and accessibility? It's a lot to figure out. π¦ That's why @shadcn and I have teamed up to create componentsβ€build β the
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I've been exploring using coding agents for large migrations (like @aisdk 4 to 5) Impressive how far you can go with the right information and structure!
Need to migrate from AI SDK 4 to 5? The migration MCP server generates a complete checklist and references the official guide for each change as it migrates your project automatically.
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shipping the anthropic memory tool as well. turned out to be straight forward. https://t.co/1BSK23137D
github.com
Background Anthropic has released a memory tool. Summary Add Anthropic memory_20250818 tool. Manual Verification run stream text example examples/ai-core/src/stream-text/anthropic-memory-20250818...
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Need to migrate from AI SDK 4 to 5? The migration MCP server generates a complete checklist and references the official guide for each change as it migrates your project automatically.
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the tool inputs / outputs are fully typed, helping e.g. with creating UI components for the code execution calls:
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anthropic code_execution_20250825 tool with bash and text editing will be available in the ai sdk later today
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Introducing πππππππΈππππππΌπππππ’(): multi-turn conversations with context and intent understanding β smart caching: vectorizes user intent from recent messages (π πππππ πππ£π) β choose your own model for intent extraction β cacheMode: "default" |
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Introducing `ai-sdk-tools/memory` for AI SDK agents: β Providers: InMemory, Drizzle ORM, Upstash β Auto memory: User preferences, facts, context β Scopes: Chat-level or user-level β History: Optional message tracking Example β¬οΈ π§΅
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My talk about AI SDK 5 from the AI Meetup in WrocΕaw is on youtube: https://t.co/Tvy1HDafUq Thanks @callstackio for inviting me!
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Introducing `ai-sdk-tools/agents`. Multi-agent orchestration for AI SDK v5. Specialized agents, automatic routing, seamless handoffs. 𧡠Thread below with what makes it special β
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Happy Friday! β² @Vercel Streamdown version 1.4 is out, which features some incredible updates and amazing community contributions π
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If you've held off updating to @aisdk 5 because of the data migration, check out our latest guide!
Need to migrate your data from AI SDK 4 to 5? Learn how to get your app working first with a runtime conversion layer, then migrate your database at your own pace.
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Just pushed Evalite 0.12.0! - Dark mode - AI SDK v5 Support - Bugfixes & UI Improvements All the big features driven by community contributions. Thank you! Enjoy: https://t.co/lHlHtWWdPU
evalite.dev
Evalite makes evals simple. Test your AI-powered apps with a local dev server. No API key required.
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Need to migrate your data from AI SDK 4 to 5? Learn how to get your app working first with a runtime conversion layer, then migrate your database at your own pace.
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Latest AI SDK 6 beta supports the following validation libs: Zod, Valibot, Arktype, Effect Schema (Zod still needed for AI SDK-internal schemas)
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