Meta releases Muse Spark Open, 816B open-weights model
Read original source →developer.nvidia.com
Muse Spark Open is an 816B mixture-of-experts model with 42B active parameters and a 1M token context window, scoring 39 on the Artificial Analysis Intelligence Index — the #1 US open-weights model. Meta trained it on NVIDIA GB300 NVL72 for agentic coding, and it adds audio and video perception to image and document understanding.
How this story unfolded
7 days · 16 reports · 33 community posts · 49 of 52 shown
- Oct 15
Meta's Muse Spark open-weight release Is Now in Limited Preview on GroqCloudgroq.com
Welcome Muse Spark Open: open-weight frontier multimodal mixture-of-experts model from Metahuggingface.co
Meta’s Muse Spark Open now available in Amazon SageMaker JumpStartaws.amazon.com
Scale Agentic Coding Workflows with Meta’s Muse Spark Open on NVIDIA GB300 NVL72developer.nvidia.com
Meta and Apple team up to make Muse AI models run better on Macstheverge.com
Meta ships Muse Spark Open, its answer to China’s best open-weight modelsthenewstack.io
Apple and Meta team up to make Muse AI model run on Mac computerscnbc.com
Meta Releases Open AI Model While Keeping Its Best Tech Closedbloomberg.com
meta-models/Muse-Spark-Open-816B-A42B · Hugging Facehuggingface.co
Meta Muse Spark Open is live on Together AItogether.ai
Meta launches an open-weight AI model that runs on Macstechcrunch.com
Meta unveils Muse Spark Open, the new top U.S. open weights model — and it runs on two paired Mac desktopsventurebeat.com
Muse Spark Open now available on AI Gatewayvercel.com
- Oct 16
- Oct 17
- Oct 20
- Oct 22
More stories today
Claude Code 2.1.310 adds Monitor tool and cloud session roles
Monitor tool and plugin monitors now work on Bedrock, Vertex, and Foundry, and long foreground sleeps are blocked there. Enterprise custom roles gain Claude Code cloud sessions and Remote Control permissions so Owners can control access by role.
Claude Code Changelog·3 hours ago
ComfyUI user: MOSS image model is "very style-fluent"
A ComfyUI user reports MOSS handles art styles better than expected, saying it "looks like MOSS is very style-fluent" rather than defaulting to realistic or raw photography.
r/ComfyUI·4 hours ago
UK pledges £100M for AI biosecurity lab with OpenAI, Anthropic
The £100 million ($134 million) AI Biosecurity Lab will be supported by OpenAI, Anthropic and Google DeepMind. It is part of a package of measures aimed at improving the government's ability to understand and tackle AI risks.
Bloomberg Technology·4 hours ago

r/MachineLearning debates whether symbolic AI is dead
A discussion thread asks why symbolic AI structures keep resurfacing in ML research despite fading after neural nets rose to dominance. The poster notes symbolic AI's 1970s heyday and argues more research should revisit it.
r/MachineLearning·5 hours agoCreator shares PS2-style LoRA generations made with FastH3-V2
Reddit user aziib generated PS2-style images with FastH3-V2 at 4 steps per 15 seconds, paired with a custom "modern ps2 style" LoRA published on Civitai.
r/StableDiffusion·5 hours ago
OpenAI shows engineer using "dots" to track bugs and fix them with Codex
OpenAI engineer Rennie Song uses a dot to collect feedback from social media and user reports, update a live tracker in ChatGPT Space, and investigate and fix bugs with Codex. OpenAI is pitching the workflow as "using dots to build better dots."
YouTube·5 hours ago
Grok Bot adds Vault for logins, contacts and card info
TestingCatalog News·5 hours ago
Microduck robot preorders top 20,000 after Jensen Huang's GTC Berlin demo
Hugging Face's Clem Delangue said preorders passed 20,000 units after Nvidia's CEO showed the $399 robots at GTC Berlin; Thomas Wolf counted over 4,000 sold in 24 hours versus ~3,000 on launch day. Deliveries are slated before Christmas.
TechCrunch·5 hours ago
