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Meta releases open-weight Muse Spark model with 816B parameters

Meta released open weights for Muse Spark Open, an 816B-parameter MoE model with 42B active parameters and a 1M-token context. The model supports multimodal inputs and is optimized for coding and agent workflows.

Read the full story at AWS Machine Learning Blog ↗

Timeline · 44 reports

  1. 2026-10-16 07:39 · r/LocalLLM
    NVIDIA Nemotron 3.5 Bolt 74B A9B 24GB GGUF
  2. 2026-10-16 04:37 · Mint AI
    Meta launches Muse Spark open model to challenge China’s AI dominance
  3. 2026-10-16 02:31 · r/machinelearningnews
    Meta released Muse Spark Open: 816B MoE (42B active), 1M context, NVFP4 runs on 2x M5 Ultra Mac Studios. Benchmarks vs Kimi K3, GLM 5.3 and Qwen3.8 inside
  4. 2026-10-16 02:26 · MarkTechPost
    Meta Releases Muse Spark Open: 816B Open-Weight MoE With 1M Context
  5. 2026-10-15 23:22 · r/LocalLLaMA
    nvidia/Nemotron-3.5-Embed-1B-BF16 · Hugging Face
  6. 2026-10-15 22:20 · SiliconANGLE AI
    Meta releases 816B-parameter Muse Spark Open for coding and agent work
  7. 2026-10-15 21:51 · r/LocalLLaMA
    model: add Muse Spark Open (text, vision and audio) by ServeurpersoCom · Pull Request #30616 · ggml-org/llama.cpp
  8. 2026-10-15 21:40 · r/ArtificialInteligence
    Thanks for the open weights, Meta, but how many of us can actually run Muse Spark Open locally?
  9. 2026-10-15 20:55 · Mashable AI
    Apple and Meta are getting along, and the new Muse Spark Open model brought them together
  10. 2026-10-15 20:12 · r/machinelearningnews
    NVIDIA releases Nemotron 3.5 Super VL (120B-A12B, open weights, 1M ctx, image + video) and Bolt 74B-A9B that fits in 24GB
  11. 2026-10-15 19:53 · MarkTechPost
    NVIDIA Releases Nemotron 3.5 Super VL, a 120B Open Multimodal Agent Model
  12. 2026-10-15 19:13 · r/LocalLLM
    Muse Spark Open!
  13. 2026-10-15 18:34 · The Decoder
    Muse Spark Open is Meta's answer to Qwen, GLM, and Kimi in the open-weight race
  14. 2026-10-15 18:01 · NVIDIA Technical Blog
    NVIDIA Nemotron 3.5 Super VL Powers Specialized Agents with Multimodal Reasoning
  15. 2026-10-15 18:00 · NVIDIA Technical Blog
    Scale Agentic Coding Workflows with Meta’s Muse Spark Open on NVIDIA GB300 NVL72
  16. 2026-10-15 17:55 · PyTorch Blog
    Muse Spark Is Now an Open-Weights Model
  17. 2026-10-15 17:45 · r/singularity
    META has released Muse Spark Open, the most capable US open-weight model to date
  18. 2026-10-15 17:43 · AWS Machine Learning Blog
    Meta’s Muse Spark Open now available in Amazon SageMaker JumpStart
  19. 2026-10-15 17:35 · Unite.AI
    Meta's 816B-Parameter Muse Spark Open Weights Are Now Public
  20. 2026-10-15 17:31 · r/LocalLLM
    Meta releases new open-weight Muse Spark model.
  21. 2026-10-15 17:10 · SiliconANGLE AI
    Nvidia expands Nemotron LLM family with hyper-efficient models for agentic systems
  22. 2026-10-15 17:08 · AlphaSignal
    Meta Drops Muse Spark Open, an 816B Open-Weight Model Rivaling Closed AI Giants
  23. 2026-10-15 17:06 · r/LocalLLaMA
    Unsloth Muse Spark Open is out!
  24. 2026-10-15 17:05 · r/LocalLLaMA
    UNSLOTH MUSE SPARK OPEN!!
  25. 2026-10-15 17:03 · r/LocalLLaMA
    Introducing Muse Spark Open: the most capable US open-weight model to date
  26. 2026-10-15 17:00 · The New Stack AI
    Meta ships Muse Spark Open, its answer to China’s best open-weight models
  27. 2026-10-15 16:09 · The Decoder
    Nvidia's Nemotron 3.5 Super VL is an open model built to run enterprise AI agents nonstop
  28. 2026-10-15 15:30 · r/LocalLLM
    NVIDIA releases new models: Nemotron-3.5 Bolt and Nemotron-3.5-Super-VL!
  29. 2026-10-15 15:22 · Unite.AI
    NVIDIA Releases Open Nemotron 3.5 Super VL and Bolt Edge Models
  30. 2026-10-15 15:09 · AlphaSignal
    NVIDIA's Nemotron 3.5 Super VL Runs 5x Faster on Agentic Tasks
  31. 2026-10-15 15:04 · r/LocalLLaMA
    nvidia/NVIDIA-Nemotron-3.5-Bolt-74B-A9B-24GB · Hugging Face
  32. 2026-10-15 15:00 · NVIDIA Blog
    Open From Data Center to Desktop: NVIDIA Expands Nemotron Family With Highest Efficiency Super VL and Bolt Models
  33. 2026-10-15 15:00 · ZDNET AI
    Nvidia’s new Nemotron 3.5 Super VL is another step forward for US open-weight AI
  34. 2026-10-15 14:46 · r/LocalLLaMA
    nvidia/NVIDIA-Nemotron-3.5-Super-VL-120B-A12B model family released (base, NVFP4, BF16, and LiLiCorr speculative decoding)
  35. 2026-10-15 14:06 · r/LocalLLaMA
    Add Nemotron Super 3.5 VL and Nemotron Bolt 74B A9B support by frozenblade1224 · Pull Request #30520 · ggml-org/llama.cpp
  36. 2026-10-15 00:00 · Vercel Blog
    Muse Spark Open now available on AI Gateway
  37. 2026-10-15 00:00 · Hugging Face Blog
    Welcome Muse Spark Open: open-weight frontier multimodal mixture-of-experts model from Meta
  38. 2026-10-15 00:00 · Together AI Blog
    Meta Muse Spark Open is live on Together AI
  39. 2026-10-14 14:42 · r/LocalLLaMA
    NVIDIA Nemotron Bolt 3.5 74B A9B releases Oct. 15th
  40. 2026-10-14 14:23 · r/LocalLLaMA
    cuda, hip: GDN chunked kernel by am17an · Pull Request #29353 · ggml-org/llama.cpp
  41. 2026-10-14 13:14 · AWS Machine Learning Blog
    Deploy and evaluate models with Amazon SageMaker JumpStart
  42. 2026-10-14 11:41 · r/LocalLLM
    NVIDIA's Nemotron 3.5 Bolt 74B Brings 74B AI Models to Local Hardware
  43. 2026-10-14 11:08 · r/LocalLLaMA
    common : add --spec-draft-n-ubatch by ggerganov · Pull Request #30459 · ggml-org/llama.cpp
  44. 2026-10-13 23:35 · r/LocalLLaMA
    Muse Spark open weights reaffirmed

More stories

  1. Meta and Apple Partner to Run Open-Weight Muse AI Model on Macs — Wall Street Journal Technology
  2. QUASAR 4-bit QAT checkpoints for Qwen3.5, Gemma 4 and Muse Glimmer: closer to BF16 than Google’s and NVIDIA’s 4-bit releases — r/LocalLLaMA
  3. Microsoft and Nvidia launch RTX Spark laptops optimized for AI — NVIDIA Blog
  4. Meta engineers adopt AI-native approach to build new app Forum — Engineering at Meta
  5. Meta Study: Most Small Businesses Use AI for Productivity — Meta Newsroom
  6. Gemini 4 Argon is now available for developers. — Google Gemini Blog
  7. NVIDIA Details Agent Reliability for Chip Design — NVIDIA Technical Blog
  8. Meta, Milan’s Pinacoteca di Brera, and EssilorLuxottica Expand Access to Art Through AI Glasses — Meta Newsroom

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