Claude Fable 5.1 (Max, Default Fallback) vs Muse Wonder (Max)Benchmark Comparison 2026

Objective comparison based on public benchmarks updated weekly: Intelligence Index, Chatbot Arena ELO, pricing and speed.

Overall winner (2026)

Muse Wonder (Max)

5 of 7 criteria won

Anthropic

Claude Fable 5.1 (Max, Default Fallback)

Intelligence Index

53.4

Coding Index

81.6

2 criteria won

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Meta

Muse Wonder (Max)

Winner

ELO Arena

1509

Intelligence Index

52.4

5 criteria won

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Detailed Comparison

CritérioClaude Fable 5.1 (Max, Default Fallback)Muse Wonder (Max)
Chatbot Arena ELO—1509 ✓
Intelligence Index (AA)53.4 ✓52.4
Coding Index (AA)81.6 ✓—
Input price ($/1M tok)$10.00$4.00 ✓
Output price ($/1M tok)$50.00$20.00 ✓
Context window1.0M tokens1.0M tokens ✓
Speed (tokens/s)68 tok/s208 tok/s ✓

✓ = winner in this criterion • Source: Artificial Analysis, LMArena, official APIs • Updated weekly

Technical Specifications

Claude Fable 5.1 (Max, Default Fallback)

Company
Anthropic
Context window
1.0M tokens
Input ($/1M tok)
$10.00
Output ($/1M tok)
$50.00
Speed
68 tok/s
Release
Sep 2026
Multimodal
No
Open Source
No

Muse Wonder (Max)

Company
Meta
Context window
1.0M tokens
Input ($/1M tok)
$4.00
Output ($/1M tok)
$20.00
Speed
208 tok/s
Release
Oct 2026
Multimodal
No
Open Source
No

When to use Claude Fable 5.1 (Max, Default Fallback) vs Muse Wonder (Max)?

Choosing between Claude Fable 5.1 (Max, Default Fallback) and Muse Wonder (Max) depends on your use case, budget and technical requirements. Below, a practical guide based on benchmark data and each model's specifications.

Use Claude Fable 5.1 (Max, Default Fallback) when:

Anthropic · Text

  • →Critical tasks where maximum quality justifies premium cost — ideal for one-off high-value decisions
  • →Long document analysis — 1.0M tokens context window allows processing books, legal databases and extensive logs
  • →API integration in SaaS applications — direct API access with documented SLA
View full Claude Fable 5.1 (Max, Default Fallback) profile →

Use Muse Wonder (Max) when:

Meta · Text

  • →Applications with audio input or output — transcription, call analysis and voice assistants
  • →Long document analysis — 1.0M tokens context window allows processing books, legal databases and extensive logs
  • →AI agents with tool calling — workflow automation, external API integration and data pipelines
  • →API integration in SaaS applications — direct API access with documented SLA
View full Muse Wonder (Max) profile →
SWEN Verdict: Muse Wonder (Max) wins in more objective criteria in this comparison (5 vs 2). For most use cases, Muse Wonder (Max) offers better aggregate performance — but Claude Fable 5.1 (Max, Default Fallback) may be preferable if your project prioritizes critical tasks where maximum quality justifies premium cost.

Frequently Asked Questions

Claude Fable 5.1 (Max, Default Fallback) or Muse Wonder (Max): which is better?

Muse Wonder (Max) wins in 5 of 7 criteria analyzed. Check the full table to choose based on your use case.

Where does this benchmark data come from?

Data is aggregated from Artificial Analysis (Intelligence Index, Coding Index) and Chatbot Arena/LMArena (ELO). Pricing and specs come from official APIs. Updated weekly.

What is the Intelligence Index?

The Intelligence Index is an aggregate score from Artificial Analysis that combines multiple academic benchmarks (MMLU, GPQA, LiveBench, etc.) into a single rating. The higher the score, the more capable the model is at reasoning tasks.

Is Claude Fable 5.1 (Max, Default Fallback) cheaper than Muse Wonder (Max)?

No. Muse Wonder (Max) is cheaper: $4/1M input tokens vs $10/1M tokens for Claude Fable 5.1 (Max, Default Fallback) — a 150% difference. For high-volume projects, Muse Wonder (Max) can reduce costs substantially.

Claude Fable 5.1 (Max, Default Fallback) or Muse Wonder (Max): which has a larger context window?

Muse Wonder (Max) has the larger context window: 1.0M tokens vs 1.0M tokens. For long document analysis, extensive transcripts or full codebases, the larger context window is a decisive criterion.

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