Mark Zuckerberg on X: "Releasing Muse Code in beta today. It's a terminal coding agent that takes on complete software engineering tasks across large repos: planning changes, writing code, validating the results. Powered by Muse Spark 1.2, a coding-focused model update. https://t.co/xqavk41w6v" / X<br>Post

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Mark Zuckerberg

@finkd

Releasing Muse Code in beta today. It's a terminal coding agent that takes on complete software engineering tasks across large repos: planning changes, writing code, validating the results. Powered by Muse Spark 1.2, a coding-focused model update.

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@finkd

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Muse Code runs specialized background agents that stay active your whole session, so they build up context over time instead of starting from scratch on every task.<br>When a job is big enough, it fans out to separate sub-agents working in parallel in isolated worktrees. Your Show more

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@finkd

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We pointed Muse Spark 1.2 at a kernel optimization task and let it run. 1,000+ tool calls over 24 hours on NVIDIA Hopper. It kept finding substantial improvements well beyond the initial exploration phase.

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@finkd

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Auditable by design. Every model call, tool run, and edit hits a local event log before it executes. If it crashes mid-task, it picks up exactly where it left off from that log. No lost work and no re-prompting.

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@finkd

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Pricing: It's easy and low-cost to get started. Install Muse Code with one line and you can start on our contributor tier.

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@finkd

5m

Muse Spark 1.2 is our next step as we push toward frontier, with larger, more capable models on the way. Install it, use it, tell us what you think.

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