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Muse Spark 1.3

Model ● Covered in 8 stories + Follow

Muse Spark 1.3 is Meta’s agentic coding model, released as an update to Muse Spark 1.2 with reported reductions in compute and interaction costs (about 20% fewer tool calls and about 25% fewer tokens for coding tasks). Recent coverage places the model as a top performer on coding and long-context benchmarks and notes its availability via Muse Code and Meta’s Model API, with closed weights and plans discussed for open-weight releases. Meta has also positioned Muse Spark 1.3 within broader deployments of its Muse agent and enterprise offerings, including plans for additional security features such as a dedicated “Muse Confidential VM.”

Updated 14 October 2026

Specifications

No specifications recorded yet.

Latest developments

Meta hires MongoDB CEO CJ Desai to lead new enterprise AI business SiliconANGLE · 2 weeks ago · 42 Meta Introduces Muse, a Personal AI Agent That Runs on Its Own Dedicated Secure Cloud Computer MarkTechPost · 1 month ago · 44 Meta AI Released Muse Spark 1.3: An Agentic Coding Model That Uses ~20% Fewer Tool Calls and ~25% Fewer Tokens Than Muse Spark 1.2 MarkTechPost · 1 month ago · 50
“Google was ahead only a few hours”: Muse Spark 1.3 edges out Gemini as Meta claims its biggest coding leap yet The New Stack · 1 month ago · 26
😺 Gemini 3.8 and Muse Spark 1.3 go head to head for third place The Neuron · 1 month ago · 16
Muse Spark 1.3: Meta Is Back at the Top, and the Best Open-Weight Model Could Follow Trending Topics · 1 month ago · 8
[AINews] Muse Spark 1.3 matches GPT-5.6-Sol, confirming Meta Superintelligence as the newest Frontier Lab, >90% discount for training Latent Space · 1 month ago · 10
Meta says it has caught up with Anthropic and OpenAI with Muse Spark 1.3, its most powerful AI model yet SiliconANGLE · 1 month ago · 3

Timeline

Month Quarter Year

2026

Meta launched the Meta Enterprise Platform, an enterprise offering packaging its AI models, agents, and infrastructure and led by MongoDB CEO CJ Desai Product launch

Meta launches Muse, a personal AI agent that can automate everyday tasks in connected apps for U.S. consumers Deployment

Meta released Muse Spark 1.3, an agentic coding model with efficiency improvements and new availability via Muse Code and the Meta Model API Model release

Meta releases Muse Spark 1.3, rolling it out via its Model API and to Meta AI platforms Model release

New York City Department of Education announces a one-year moratorium on student-facing generative AI use in public schools for grades 2 through 8 starting in the 2026–2027 school year Policy change

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