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Muse Wonder Full

Meta's Muse Wonder Full model answers questions and understands images and video, offered to developers and not free to download.

Release page →

Muse Spark Open

Meta's Muse Spark Open is a text model for writing and answering questions that is free to download under restricted use terms.

Release page →

The basics

Released

Oct 12
Oct 15

What it does

Text and chat: Writes, answers questions and holds a conversation.Sees images: Understands pictures, screenshots and charts you share with it.Watches video: Understands video clips you share with it.
Text and chat: Writes, answers questions and holds a conversation.Thinks first: Can reason step by step before it answers: slower, but better at maths, code and tricky questions.Sees images: Understands pictures, screenshots and charts you share with it.Reads files: Reads documents such as PDFs.Listens: Understands speech and other sounds.Watches video: Understands video clips you share with it.

Knowledge cutoff

The latest events it learned about

Not published
Not published

Download

No: it runs on the maker's servers
FreeOpen weights, licence has limits

Where to use it

Meta's app: Meta AI ↗Also for developers, through an API
Meta's app: Meta AI ↗

Price and limits, for developers

Input

Per million tokens

Not listed
$1.25

Output

Per million tokens

Not listed
$4.25

Cached input

Per million tokens

Not listed
$0.15

Context window

How much it takes in at once

Not listed
1.05M tokens about 790,000 words

Longest answer

Not listed
131K tokens about 98,000 words

How they score

Combined test score

Epoch Capabilities Index · Epoch AI

Not ranked
155#40 of 237

Only Muse Spark Open is in this ranking.

Building apps, by people's votes

LMArena WebDev · LMArena

1,724#7 of 85Higher
1,528#49 of 85

In blind votes, people pick Muse Wonder Full over Muse Spark Open about 76% of the time.

Green marks the better of the two on each row, red the other. Rows where one side isn't listed, or where the gap is too close to call, stay plain.

Popular comparisons

Not sure where to start? Which AI should I use? gives a pick for what you want to do. How to read AI rankings explains the numbers.

Rankings from LMArena and Epoch AI, both CC BY 4.0, updated . Developer prices, context windows and knowledge cutoffs from the labs' own listings on models.dev and from OpenRouter. The app links go to each maker's own app when no source says exactly where the model is available.

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