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Ziniu Hu
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@acbuller

Ziniu Hu

@acbuller
Coding @AIatMeta TBD | Ex: @xAI @GoogleDeepMind @Caltech @UCLA
California, USA
acbull.github.io
Joined June 2020
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  • Pinned
    @acbuller
    Ziniu Hu
    @acbuller
    Aug 6
    Add some 🧃 to muse spark 1.2 :) Try this agent for your daily professional jobs!
    @ArtificialAnlys
    Artificial Analysis
    @ArtificialAnlys
    Aug 5
    Replying to @ArtificialAnlys
    Muse Spark 1.2 ranks #5 on GDPval-AA v2, our benchmark of agentic real-world knowledge work, at 1631 Elo - behind e.g. Claude Opus 5 (max, 1852), GPT-5.6 Sol (max, 1730), and Kimi K3 (1685), and ahead of e.g. Claude Opus 4.8 (max, 1588). Muse Spark 1.1 scored 1371 at its launch
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  • @acbuller
    Ziniu Hu
    @acbuller
    Aug 6
    curl -fsS dev.meta.ai/install.sh | bash For our first coding agent! Welcome any feedback — the more you use it, the faster it improves!
    @alexandr_wang
    Alexandr Wang
    Meta
    @alexandr_wang
    Aug 5
    muse code in beta is live. first coding agent from msl, built on muse spark 1.2. install: curl -fsS dev.meta.ai/install.sh | bash here's what you should know:
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  • @acbuller
    Ziniu Hu
    @acbuller
    Jul 9
    Been working on improving the real-world coding usefulness for muse spark 1.1 The model can autonomously solve many daily coding tasks, with much cheaper prices than competitors' models. Please try it on coding products and let us know if you have any feedback.
    @alexandr_wang
    Alexandr Wang
    Meta
    @alexandr_wang
    Jul 9
    1/ muse spark 1.1 is an industry-competitive agentic and coding model. across many agentic evals it rivals gpt-5.5 and opus-4.8. available now through the new meta model api and in meta ai. 🧵
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  • @acbuller
    Ziniu Hu
    @acbuller
    Aug 28, 2025
    Been training the Grok Code Fast 1 model with the incredible team. It's a blazing fast model 🚀 that can solve a broad range of real-world agentic coding tasks. Excited to share it with the world, hope it help with your work!
    @SpaceXAI
    SpaceXAI
    @SpaceXAI
    Aug 28, 2025
    Introducing Grok Code Fast 1, a speedy and economical reasoning model that excels at agentic coding. Now available for free on GitHub Copilot, Cursor, Cline, Kilo Code, Roo Code, opencode, and Windsurf. x.ai/news/grok-code…
  • @acbuller
    Ziniu Hu
    @acbuller
    Jul 10, 2025
    Grok 4 is living 🚀
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    Technology
    Grok 4 Live Demo
    Introducing Grok 4, the world's most powerful AI assistant. Try Grok in X: https://x.com/i/grok Get Grok on iOS: https://apps.apple.com/us/app/grok/id6670324846 Get Grok on Android: https://play.google.com/store/apps/details?id=ai.x.grok
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