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Claude Mythos Preview vs Muse Wonder Full

Claude Mythos Preview and Muse Wonder Full are closely matched at 54.5 and 52.1 on the LLM Stats Score.

Anthropic · Meta · Updated for 2026

Which is better?

Claude Mythos Preview and Muse Wonder Full are closely matched on the overall LLM Stats Score at 54.5 and 52.1.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Claude Mythos Preview

  • your work emphasizes reasoning — it leads those capability indexes

Choose Muse Wonder Full

  • you are already invested in the Meta ecosystem

At a glance

The differences that matter most.

Claude Mythos Preview
Anthropic
Muse Wonder Full
Meta
Core performance indexes
LLM Stats Score
54.5
#5
52.1
#13
Reasoning
55.3
#4
38.4
#71
Coding
44.1
#4
41.5
#8
Agents
36.5
#15
38.5
#8
Cost, coverage & limits
Benchmark wins
—
—
Input price
$25.00 / M
— / M
Output price
$125.00 / M
— / M
Context window
—
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Claude Mythos Preview
Muse Wonder Full
Vision
39.4#5
31.7#28
Multimodal
37.1#7
31.8#25
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

16 reported for Claude Mythos Preview · 16 for Muse Wonder Full

No common benchmarks found

Claude Mythos Preview and Muse Wonder Fulldon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Input capabilities

Documented input modalities across available providers

Both Claude Mythos Preview and Muse Wonder Full support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Claude Mythos Preview

Text
Images
Audio
Video

Muse Wonder Full

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Claude Mythos Preview

Proprietary

Closed source

Muse Wonder Full

Proprietary

Closed source

Release Timeline

When each model was launched

Muse Wonder Full was released on 2026-10-12, while Claude Mythos Preview's release date is not specified.

We can confirm Muse Wonder Full's release timeline, but cannot make a direct age comparison without Claude Mythos Preview's release date.

Claude Mythos Preview

—

Muse Wonder Full

Oct 12, 2026

-1 days ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Claude Mythos Preview and Muse Wonder Full side-by-side, then vote on the output you prefer.

Claude Mythos Preview
✓ Preferred
Muse Wonder Full
Open in Playground

FAQ

Common questions about Claude Mythos Preview vs Muse Wonder Full.

Which is better, Claude Mythos Preview or Muse Wonder Full?

Claude Mythos Preview and Muse Wonder Full are closely matched on the LLM Stats Score at 54.5 and 52.1. Claude Mythos Preview is made by Anthropic and Muse Wonder Full is made by Meta. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude Mythos Preview compare to Muse Wonder Full in benchmarks?

Claude Mythos Preview scores CyBench: 100.0%, USAMO25: 97.6%, GPQA: 94.6%, SWE-Bench Verified: 93.9%, CharXiv-R: 93.2%. Muse Wonder Full scores MemoryBench: 85.5%, DeepSWE 1.1: 79.0%, OSWorld 2.1 (partial): 78.4%, JobBench: 75.3%, HealthBench Professional: 62.3%.

What are the main differences between Claude Mythos Preview and Muse Wonder Full?

Key differences include LLM Stats Score (54.5 vs 52.1). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Mythos Preview and Muse Wonder Full?

Claude Mythos Preview is developed by Anthropic and Muse Wonder Full is developed by Meta.

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