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Claude Fable 5.2 vs Muse Wonder

Claude Fable 5.2 leads the LLM Stats Score 61.1 to 49.2.

Anthropic · Meta · Updated for 2026

Which is better?

Claude Fable 5.2 leads the overall LLM Stats Score 61.1 to 49.2, ranking #1 overall.

In the 5 individual benchmarks reported for both models, Claude Fable 5.2 wins 4; this is a narrower head-to-head signal than the composite indexes.

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

Choose Claude Fable 5.2

  • overall performance matters — it scores 61.1 and ranks #1 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 4 of 5 exact shared results
  • you want the most recent training data — it shipped Nov 2026

Choose Muse Wonder

  • you are already invested in the Meta ecosystem

At a glance

The differences that matter most.

Core performance indexes
61.1
#1
49.2
#25
60.3
#1
37.0
#96
49.9
#1
38.0
#18
46.5
#1
37.1
#17
Cost, coverage & limits
Benchmark wins
4 of 5
1 of 5
Input price
$8.00 / M
— / M
Output price
$40.00 / M
— / M
Context window
1,000,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
Claude Fable 5.2
Muse Wonder
47.2#1
24.4#71
37.3#2
19.2#88
42.6#1
24.0#73
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

29 reported for Claude Fable 5.2 · 16 for Muse Wonder

5 shared

Claude Fable 5.2 outperforms in 4 benchmarks (HealthBench Professional, OSWorld 2.1 (partial), OSWorld 2.1 (strict), Program Bench), while Muse Wonder is better at 1 benchmark (DeepSWE 1.1).

Claude Fable 5.2 significantly outperforms across most benchmarks.

Thu Nov 12 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Claude Fable 5.2 specifies input context (1,000,000 tokens). Only Claude Fable 5.2 specifies output context (128,000 tokens).

Anthropic
Claude Fable 5.2
Input1,000,000 tokens
Output128,000 tokens
Meta
Muse Wonder
Input- tokens
Output- tokens
Thu Nov 12 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Fable 5.2 and Muse Wonder support multimodal inputs.

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

Claude Fable 5.2

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 Fable 5.2

Proprietary

Closed source

Muse Wonder

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Fable 5.2 was released on 2026-11-09, while Muse Wonder was released on 2026-10-12.

Claude Fable 5.2 is 1 month newer than Muse Wonder.

Claude Fable 5.2

Nov 9, 2026

3 days ago

4w newer
Muse Wonder

Oct 12, 2026

1 months ago

Knowledge Cutoff

When training data ends

Claude Fable 5.2 has a documented knowledge cutoff of 2026-06-01, while Muse Wonder's cutoff date is not specified.

We can confirm Claude Fable 5.2's training data extends to 2026-06-01, but cannot make a direct comparison without Muse Wonder's cutoff date.

Claude Fable 5.2

Jun 2026

Muse Wonder

—

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Claude Fable 5.2 and Muse Wonder side-by-side, then vote on the output you prefer.

Claude Fable 5.2
✓ Preferred
Muse Wonder
Open in Playground

FAQ

Common questions about Claude Fable 5.2 vs Muse Wonder.

Which is better, Claude Fable 5.2 or Muse Wonder?

Claude Fable 5.2 leads the LLM Stats Score 61.1 to 49.2. Claude Fable 5.2 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 Fable 5.2 compare to Muse Wonder in benchmarks?

Claude Fable 5.2 scores SWE-bench Multilingual: 96.6%, Global-MMLU: 96.0%, MILU: 94.1%, SWE-Bench Pro: 93.0%, Chartography: 91.6%. Muse Wonder scores MemoryBench: 85.6%, DeepSWE 1.1: 78.8%, OSWorld 2.1 (partial): 72.6%, JobBench: 70.5%, HealthBench Professional: 60.5%.

What are the context window sizes for Claude Fable 5.2 and Muse Wonder?

Claude Fable 5.2 supports 1.0M tokens and Muse Wonder supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude Fable 5.2 and Muse Wonder?

Key differences include LLM Stats Score (61.1 vs 49.2). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Fable 5.2 and Muse Wonder?

Claude Fable 5.2 is developed by Anthropic and Muse Wonder is developed by Meta.