The Model Index
Models/Meta

Muse Wonder

MetaClosed weightsFlagship

Muse Wonder is a closed AI model from Meta with an index score of 182 (GPT-4 = 100), rank 12 of 207.

182166–199Index score#12 of 207 models
$4.0/ $20Price per million tokensinput / output · via OpenRouter
1.05MContext windowtokens it reads at once
12 Oct 2026Released15 days ago

Where it sitson the frontier

801001201401601802002023202420252026GPT-4 at launch = 100Muse Wonder

Claude Fable 5 reached this score 4 months earlier.

Test resultsby area · tick = best by any model

Reasoning & knowledgeevidence
GPQA Diamond (Epoch AI)
no result
Humanity's Last Exam
no result
Mathsevidence
FrontierMath (tiers 1-3)
82%
Codingno evidence yet
SWE-bench Verified
no result
Terminal-Bench 4.0
no result
Agentsevidence
APEX-Agents
no result
Professional workno evidence yet
Finance Agent (v2)
no result
Novel problemsno evidence yet
ARC-AGI-2
no result
Long tasksno evidence yet
METR time horizon
no result

Third-party results only, at the model’s best standard setting. Hover a bar for who ran it.

What others sayrank on 10 leaderboards

Best attop three among current models

Where to use itprices checked 27 Oct 2026

API providers 1 · per 1M tokens, in / out

Host prices from OpenRouter; going direct can differ.

Facts and sources

Released12 Oct 2026
Announcementabout.fb.com ↗
Release entryMuse Wonder + Muse Wonder Full
Scored asMuse Wonder
Output speed202 tokens/s
Hugging Faceclosed weights

Meta releasesaround this one

This page as a chartDownload PNG