# Muse Wonder

Muse Wonder is a Meta language model (public preview) released Oct 12, 2026; Meta's newest language model in our dataset is Muse Spark Open. Proprietary, API access only. Meta's most capable hosted model for long-running agent and coding work, launched Oct 12, 2026 in preview on the Meta Model API and in Muse Code. Verified against vendor sources on Oct 26, 2026.

Last verified: 2026-10-26 · Evidence: Reported · Canonical: https://theagenticweekly.com/models/muse-wonder · JSON: https://theagenticweekly.com/api/models/muse-wonder

## Key facts

| Fact | Value | Source |
|---|---|---|
| Vendor | Meta |  |
| Released | Oct 12, 2026 | https://about.fb.com/news/2026/10/introducing-muse-wonder-models/ |
| API id | `muse-wonder-1.0` | https://dev.meta.ai/docs/pricing-rate-limits |
| Context window | 1,048,576 tokens (1.05M) | https://dev.meta.ai/docs/models |
| Input | text, image, video, audio, pdf | https://dev.meta.ai/docs/models |
| Output | text | https://dev.meta.ai/docs/models |
| Licence | Proprietary (API). Hosted on the Meta Model API and in Muse Code; no weights. | https://dev.meta.ai/docs/models |
| Pricing | $4 in / $20 out per 1M tokens. Standard mode only; no Contributor-mode discount for Muse Wonder. | https://dev.meta.ai/docs/pricing-rate-limits |

## Vendor claims and neutral signals

- Meta calls Muse Wonder and Muse Wonder Full its most capable models to date, aimed at agentic and coding work.

## Notes

- Meta's docs describe Muse Wonder as "in preview". It is not available in South Korea.

## What we tested

Nothing yet. We have not run Muse Wonder ourselves, so every fact here is Reported from the sources below.

## Not verified, left out

- Parameter count and benchmark scores were not captured.
- Meta says a full safety report "will be available soon".

## Sources

- [Meta announcement](https://about.fb.com/news/2026/10/introducing-muse-wonder-models/)
- [Meta Model API: models](https://dev.meta.ai/docs/models)
- [Meta Model API: pricing and rate limits](https://dev.meta.ai/docs/pricing-rate-limits)

Data licence: CC BY 4.0. Data: Agentic Weekly (https://theagenticweekly.com), CC BY 4.0.