Meta releases open-weight Muse Spark Open, 816B parameters with a 1M-token context

Wednesday, October 14, 2026

1. 20:00

   Hugging FacePrimary

   Welcome Muse Spark Open: open-weight frontier multimodal mixture-of-experts model from Meta ↗

Thursday, October 15, 2026

1. 13:00

   Axios

   "Mommy and daddy" play nice: Apple and Meta team up to bring open-source Muse to Macs ↗
2. 13:02

   Engadget

   Meta built a huge open-weight AI model for Macs, but you'll need 1TB of RAM to run it ↗
3. 13:40

   Meta AI Research

   Meta releases Muse Spark Open, saying it is the most capable US open-weight model, with 816B total and 42B active parameters and a 1M-token context window ↗
4. 13:40

   The New Stack

   thenewstack.io/meta-muse-spark-open/ ↗
5. 13:40

   Hugging FacePrimary

   huggingface.co/meta-models/Muse-Spark-Open-816B-A42B ↗
6. 13:40

   The Wall Street Journal

   wsj.com/tech/ai/meta-and-apple-longtime-foes-team-up-to-put-open-weight-ai-on-macs-a28fde11 ↗
7. 13:40

   MacStories

   macstories.net/news/meta-releases-muse-spark-open-an-over-800-billion-parameter-model-that-can-run-locally-on-multiple-m5-ultra-mac-studios/ ↗
8. 14:10

   MacRumors

   macrumors.com/2026/10/15/meta-muse-spark-open-mac-studio/ ↗
9. 14:10

   9to5Mac

   9to5mac.com/2026/10/15/meta-launches-new-muse-spark-open-model-optimized-to-run-on-mac-studio/ ↗
10. 14:10

    Quartz

    qz.com/meta-apple-muse-spark-open-mac-studio-101526 ↗
11. 14:40

    Unite.AI

    unite.ai/metas-816b-parameter-muse-spark-open-weights-are-now-public/ ↗
12. 14:40

    iThinkDifferent

    ithinkdiff.com/meta-apple-muse-spark-open-mac-studio/ ↗
13. 14:40

    Hugging FacePrimary

    huggingface.co/collections/meta-models/muse-spark-open ↗
14. 15:10

    AppleInsider

    appleinsider.com/articles/26/10/15/unlikely-apple-meta-team-up-brings-powerful-local-ai-to-mac-studio ↗
15. 15:10

    The Tech Portal

    thetechportal.com/2026/10/16/meta-teams-up-with-apple-to-launch-muse-spark-open-model-optimised-for-mac-studio/ ↗
16. 15:40

    VentureBeat

    venturebeat.com/technology/meta-unveils-muse-spark-open-the-new-top-u-s-open-weights-model-and-it-runs-on-two-paired-mac-desktops ↗
17. 15:40

    Gadget Review

    gadgetreview.com/apple-and-meta-collaborate-to-run-a-massive-ai-model-locally-on-mac ↗
18. 15:40

    MacDailyNews

    macdailynews.com/2026/10/15/apple-and-meta-partner-to-run-massive-muse-ai-model-locally-on-mac-studios/ ↗
19. 16:10

    Wccftech

    wccftech.com/metas-muse-spark-open-model-delivers-a-throughput-of-20-tokens-sec-on-2x-apple-m5-ultra-mac-studios/ ↗
20. 16:10

    TechCrunch

    techcrunch.com/2026/10/15/meta-launches-an-open-weight-model-that-runs-on-macs/ ↗
21. 16:10

    iClarified

    iclarified.com/102861/meta-releases-muse-spark-open-ai-optimized-for-mac-studio ↗
22. 16:10

    The Deep View

    thedeepview.com/articles/meta-makes-its-open-models-comeback ↗
23. 16:10

    Techstrong.ai

    techstrong.ai/articles/meta-apple-partner-to-bring-massive-816b-parameter-muse-spark-open-ai-model-to-desktop-macs/ ↗
24. 16:40

    Financial Times

    ft.com/content/3568dbda-ac85-45b3-815a-3a8ec853a78d ↗
25. 16:40

    Neowin

    neowin.net/news/metas-new-muse-spark-open-ai-needs-two-5499-mac-studios-to-run-on-desktop/ ↗
26. 16:40

    SQ Magazine

    sqmagazine.co.uk/meta-muse-spark-open-weight-model-license/ ↗
27. 17:10

    Blockchain.News

    blockchain.news/news/meta-muse-spark-open-goes-live-on-together-ai ↗
28. 17:10

    Constellation Research

    constellationr.com/insights/news/meta-launches-muse-spark-open-may-appeal-enterprises ↗
29. 17:40

    Reuters

    reuters.com/business/meta-releases-open-weight-muse-spark-model-coding-agentic-tasks-2026-10-15/ ↗
30. 17:40

    iPhone in Canada

    iphoneincanada.ca/2026/10/15/apple-and-meta-join-forces-to-run-massive-ai-model-on-the-mac/ ↗
31. 17:40

    Mashable

    mashable.com/tech/apple-meta-muse-spark-open-mac-studio ↗
32. 18:10

    Cult of Mac

    cultofmac.com/news/meta-apple-muse-spark-open-weight-ai-mac ↗
33. 18:20

    SiliconANGLE

    Meta releases 816B-parameter Muse Spark Open for coding and agent work ↗
34. 20:10

    PYMNTS.com

    pymnts.com/partnerships/2026/meta-and-apple-bring-open-weight-frontier-model-to-desktops/ ↗
35. 20:10

    Agence France-Presse

    moneycontrol.com/technology/meta-launches-muse-spark-open-ai-model-claims-it-rivals-top-chinese-models-article-14053404.html ↗
36. 20:34

    The Guardian

    Meta releases Muse Spark Open, a new ‘open-weight’ AI model ↗
37. 23:10

    Reuters

    economictimes.indiatimes.com/tech/technology/meta-releases-open-weight-muse-spark-model-for-coding-agentic-tasks/articleshow/134980613.cms ↗

Friday, October 16, 2026

1. 01:10

   Moneycontrol

   moneycontrol.com/technology/runs-great-on-new-mac-studios-zuckerberg-on-meta-s-muse-spark-open-ai-model-article-14053566.html ↗
2. 02:10

   The Neuron

   theneuron.ai/news/meta-muse-spark-open-macs-local-ai-cost/ ↗
3. 02:40

   The Hindu

   thehindu.com/sci-tech/technology/meta-releases-weights-for-muse-spark-open/article71591085.ece ↗
4. 02:40

   Digit

   digit.in/news/general/meta-announces-muse-spark-open-a-multimodal-ai-that-can-run-on-apple-mac-studios-powered-by-m5-ultra.html ↗
5. 03:40

   Digital Trends

   digitaltrends.com/computing/meta-releases-muse-spark-open-its-816b-open-weight-ai-model-for-apple-silicon/ ↗
6. 04:10

   Silicon Republic

   siliconrepublic.com/machines/meta-unveils-most-capable-us-open-weight-model-muse-spark-open ↗
7. 04:40

   Business Today

   businesstoday.in/technology/artificial-intelligence/story/meta-launches-muse-spark-open-model-to-run-on-mac-studio-how-it-can-benefit-users-562029-2026-10-16 ↗
8. 05:10

   Digit

   digit.in/features/general/muse-spark-open-open-weights-with-a-new-model-built-for-coding-and-ai-agents.html ↗
9. 05:40

   Macworld

   macworld.com/article/3262041/no-metas-muse-will-not-run-on-your-mac.html ↗