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Releasing Muse Code in beta today, and Muse Spark 1.2

Muse released Muse Code in beta, a terminal coding agent powered by Muse Spark 1.2, which handles complete software engineering tasks across large repositories. Muse Code uses background agents that build context over time and can fan out to parallel sub-agents for large jobs, with an auditable event log for crash recovery. Pricing starts on a contributor tier, and Muse Spark 1.2 is a coding-focused model update.

read1 min views1 publishedAug 5, 2026
Releasing Muse Code in beta today, and Muse Spark 1.2
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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.

  • 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. When a job is big enough, it fans out to separate sub-agents working in parallel in isolated worktrees. YourWe 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.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.Pricing: It's easy and low-cost to get started. Install Muse Code with one line and you can start on our contributor tier.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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