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Claude Mythos Preview vs Muse Wonder

Claude Mythos Preview leads the LLM Stats Score 54.5 to 47.9. Muse Wonder is 6.3x cheaper per token.

Anthropic · Meta · Updated for 2026

Which is better?

Claude Mythos Preview leads the overall LLM Stats Score 54.5 to 47.9, ranking #5 overall.

On price, Muse Wonder is roughly 6.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

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

Choose Claude Mythos Preview

  • overall performance matters — it scores 54.5 and ranks #5 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes

Choose Muse Wonder

  • cost matters — it's about 6.3x cheaper per token

At a glance

The differences that matter most.

Claude Mythos Preview
Anthropic
Muse Wonder
Meta
Core performance indexes
LLM Stats Score
54.5
#5
47.9
#29
Reasoning
55.3
#4
33.1
#109
Coding
44.1
#4
38.9
#18
Agents
36.5
#15
34.1
#24
Cost, coverage & limits
Benchmark wins
—
—
Input price
$25.00 / M
$4.00 / M
Output price
$125.00 / M
$20.00 / M
Context window
—
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Claude Mythos Preview
Muse Wonder
Vision
39.4#5
25.4#52
Multimodal
37.1#7
25.4#52
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

16 reported for Claude Mythos Preview · 16 for Muse Wonder

No common benchmarks found

Claude Mythos Preview and Muse Wonderdon'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

Pricing Analysis

Price comparison per million tokens

Muse Wonder costs less

For input processing, Claude Mythos Preview ($25.00/1M tokens) is 6.3x more expensive than Muse Wonder ($4.00/1M tokens).

For output processing, Claude Mythos Preview ($125.00/1M tokens) is 6.3x more expensive than Muse Wonder ($20.00/1M tokens).

In conclusion, Claude Mythos Preview is more expensive than Muse Wonder.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Tue Oct 13 2026 • llm-stats.com
Anthropic
Claude Mythos Preview
Input tokens$25.00
Output tokens$125.00
Best providerAnthropic
Meta
Muse Wonder
Input tokens$4.00
Output tokens$20.00
Best providerMeta
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Only Muse Wonder specifies input context (1,048,576 tokens).

Anthropic
Claude Mythos Preview
Input- tokens
Output- tokens
Meta
Muse Wonder
Input1,048,576 tokens
Output- tokens
Tue Oct 13 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Mythos Preview and Muse Wonder 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

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

Proprietary

Closed source

Release Timeline

When each model was launched

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

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

Claude Mythos Preview

—

Muse Wonder

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

Provider Availability

Claude Mythos Preview is available from Anthropic. Muse Wonder is available from Meta Model API.

Claude Mythos Preview

anthropic logo
Anthropic
Input Price:Input: $25.00/1MOutput Price:Output: $125.00/1M

Muse Wonder

meta logo
Meta
Input Price:Input: $4.00/1MOutput Price:Output: $20.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

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

Claude Mythos Preview
✓ Preferred
Muse Wonder
Open in Playground

FAQ

Common questions about Claude Mythos Preview vs Muse Wonder.

Which is better, Claude Mythos Preview or Muse Wonder?

Claude Mythos Preview leads the LLM Stats Score 54.5 to 47.9. Claude Mythos Preview is made by Anthropic and Muse Wonder 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 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 scores MemoryBench: 85.6%, DeepSWE 1.1: 78.8%, OSWorld 2.1 (partial): 72.6%, JobBench: 70.5%, HealthBench Professional: 60.5%.

Is Claude Mythos Preview cheaper than Muse Wonder?

Muse Wonder is 6.3x cheaper for input tokens. Claude Mythos Preview costs $25.00/M input and $125.00/M output via anthropic. Muse Wonder costs $4.00/M input and $20.00/M output via meta.

What are the context window sizes for Claude Mythos Preview and Muse Wonder?

Claude Mythos Preview supports an unknown number of tokens and Muse Wonder supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

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

Key differences include LLM Stats Score (54.5 vs 47.9), input pricing ($25.00 vs $4.00/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Mythos Preview and Muse Wonder?

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

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