Open Source React Library for AI Chat (YC W25)

Joined August 2024
4 Photos and videos
assistant-ui retweeted
crossed a mil in weekly downloads!!! come join us, we’re hiring!
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lfg
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most AI apps still don't use the full multimodal stack. vision, audio, real-time processing. all largely untapped we got you access to the latest @GoogleDeepMind models. if you've been wanting to build multimodal agents, this one's for you πŸ† $45K in prizes (up to $25K in credits alone) πŸ“… saturday march 28 Β· san francisco apply below πŸ‘‡
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assistant-ui retweeted
modelpedia -- an open source catalog of all models across providers
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Today, we are launching the redesigned assistant cloud Dashboard, with improved analytics and thread management
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heat-graph lets you build GitHub-style activity graphs
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We just shipped new docs showing how to wire @langchain/react's #useStream hook to any React UI library πŸŽ‰ Two ready-to-go integrations: 🧩 AI Elements: composable, @shadcn - ui-style components for chat πŸ€– @assistantui: headless runtime with a full thread UI out of the box πŸ“š docs.langchain.com/oss/pytho…
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assistant-ui retweeted
Today we're launching chat history and thread management for every AI SDK app
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Introducing `tw-shimmer` - CSS-only shimmer animation for Tailwind
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Today we are launching assistant-ui for Terminal UIs
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Today we are launching assistant-ui for Expo & React Native
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Introducing Open Prism, a free and open-source workspace for scientists to write and collaborate on research, powered by any model you want. Available today to anyone with an internet connection: openprism.vercel.app

Jan 27
Introducing Prism, a free workspace for scientists to write and collaborate on research, powered by GPT-5.2. Available today to anyone with a ChatGPT personal account: prism.openai.com/
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Introducing Open Prism, a free and open-source workspace for scientists to write and collaborate on research, powered by any model you want. Available today to anyone with an internet connection: openprism.vercel.app

Jan 27
Introducing Prism, a free workspace for scientists to write and collaborate on research, powered by GPT-5.2. Available today to anyone with a ChatGPT personal account: prism.openai.com/
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We have some exciting features lined up for 2026. Is there anything you'd love to see added or improved in AUI? Let us know πŸ˜ƒ
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assistant-ui retweeted
We've published skills for using assistant-ui, our open-source, batteries included AI chat library for React. Already 200 installs πŸ”₯ skills.sh/assistant-ui/skill…
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assistant-ui retweeted
We recently shipped `tw-shimmer`, a CSS-only shimmer Tailwind plugin. Just add a `shimmer` class. Fine-tuned with eased gradients, thoughtful timings, cross-element syncing, and more. Zero-dependencies. No JS. Simply tell Claude Code to replace whatever you're using now with `npm install tw-shimmer` 🀝
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assistant-ui retweeted
VoltAgent @assistantui ⚑ We just added Assistant UI support to VoltAgent ⚑ Use the Assistant UI template and plug VoltAgent in as the backend. Streaming, tools, memory all work out of the box.
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assistant-ui retweeted
kimi k2 thinking is a seriously impressive model. just caught a subtle but dangerous architectural contradiction that both sonnet 4.5 and gpt-5 missed!
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6 Nov 2025
Replying to @simonfarshid
@simonfarshid from @assistantui just launched tool-ui.com at @tsaiconf @mastra 🀩
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