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Muse Wonder

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

Release page →

DeepSeek V4.1 Flash

DeepSeek's V4.1 Flash is a very large text model for writing and answering questions, free to download, and needs powerful servers to run.

Release page →

The basics

Released

Oct 12
Sep 9

What it does

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.
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.

Knowledge cutoff

The latest events it learned about

Not published
May 2025

Download

No: it runs on the maker's servers
FreeOpen weights

Where to use it

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

Price and limits, for developers

Input

Per million tokens

$4.00
$0.15Cheaper

Output

Per million tokens

$20.00
$0.60Cheaper

Cached input

Per million tokens

$0.20
$0.003Cheaper

Context window

How much it takes in at once

1.05M tokens about 790,000 words
1.05M tokens about 790,000 words

Longest answer

131K tokens about 98,000 words
393K tokens about 290,000 wordsLonger

How they score

Combined test score

Epoch Capabilities Index · Epoch AI

162#15 of 237
159#21 of 237

Too close to call: Muse Wonder and DeepSeek V4.1 Flash are within the margin of error.

Chat answers, by people's votes

LMArena text, adjusted for style · LMArena

1,512#3 of 86Higher
1,475#31 of 86

In blind votes, people pick Muse Wonder over DeepSeek V4.1 Flash about 55% of the time.

Building apps, by people's votes

LMArena WebDev · LMArena

1,650#17 of 85
1,664#14 of 85Higher

Neck and neck: in blind votes, people pick each about as often as the other.

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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