Update: Meta Muse Code exits beta at $5/mo with a TypeScript SDK
Three metered plans undercut Claude Code's $20 floor, a Session Protocol SDK opens custom agents, and Rewind and World Labs' Atlas round out the day.
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The $5 tier that undercuts Claude Code
Muse Code left beta on Aug 31 with three monthly plans: Everyday at $5 (10–50 requests per 5 hours), High at $15 (3x that), and Power at $50 (10x). Pay-as-you-go stays at $1.25/M input and $4.25/M output — against Claude Code's cheapest tier at $20/mo Pro.
A TypeScript SDK to drive it in code
The new Muse Session Protocol (MSP) SDK, in developer preview, lets you start sessions, send instructions, and handle responses programmatically — enough to wrap Muse Code in your own CI bots, batch refactors, or a custom agent harness.
Workflows, Rewind, and shared sessions
Workflows orchestrates a team of specialized agents across a big task from a dedicated control room. Rewind rolls both the conversation and the code back to an earlier point, and inter-session messaging lets parallel sessions share context when their work overlaps.
Elsewhere: World Labs ships Atlas
Fei-Fei Li's World Labs unveiled Atlas, a multimodal world model that makes up to a minute of 1440p video with pixel-perfect camera control and rebuilds 3D scenes — point clouds or Gaussian splats — from 1 to 100+ photos. Early access only for now, with API access planned at platform.worldlabs.ai; think game environments, VFX plates, or robot-sim data.