Meta launches Muse Wonder and Muse Wonder Full frontier models for agents

On October 12, 2026, Meta Superintelligence Labs released Muse Wonder through the Meta Model API and Muse Code, and Muse Wonder Full for Muse Code subscribers, with API pricing of $4.00 input and $20.00 output per 1M tokens.

Archive entry: this covers an event from October 12, 2026, and we published it on November 8, 2026. The details come from sources dated at the time and may have changed since.

On October 12, 2026, Meta Superintelligence Labs released two models, Muse Wonder and Muse Wonder Full, as described in the Meta AI Research post on Muse Wonder. Meta said the models were trained at its gigawatt-scale Prometheus data center and came with two capabilities called Active Memory and Active Focus.

What changed

Muse Wonder was available through the Meta Model API and Muse Code; Muse Wonder Full was for Muse Code subscribers.
The API model ID was muse-wonder-1.0, in preview, with a 1,048,576-token context window and text, image, video, audio and PDF input.
API pricing was $4.00 for input, $20.00 for output and $0.20 for cached input per 1M tokens.
Meta's evaluations included Harvey LAB, FocusBench and SWE-Marathon.
Meta said the models had its strongest CBRN and cyber safeguards to date, and that a full safety report would follow.
Muse Wonder was set to power the Muse agent, starting with subscribers.

What it meant for builders

For people who build with AI, the release made models that Meta described as frontier models for agents available through Meta's own API, with a 1,048,576-token context window, multimodal input and published per-token prices. Meta said the launch came 14 months after it began overhauling its AI efforts.

Other sources

Meta also published a Meta Newsroom announcement and listed rates on its pricing and rate limits page.

Sources

Muse Wonder: A Frontier Model For Personal & Professional AI Agents (Meta AI Research, October 12, 2026, official)
Introducing Muse Wonder and Muse Wonder Full: Frontier Models for Agents (Meta Newsroom, October 12, 2026, official)
Pricing and rate limits (Meta (dev.meta.ai docs), official)

Written with AI assistance, strictly from the sources listed above. Before it went live, automated checks verified its dates, sources and every language edition.