Standard Compute
Model comparison 2026

Claude Fable 5.1 vs Muse Wonder

Claude Fable 5.1
Anthropic · Frontier · Proprietary
$22/1M · 1M ctx
Muse Wonder
Meta · Frontier · Proprietary
$8.80/1M · 1.0M ctx

Community vote

Pick a winner in each dimension. You can change your vote any time.

Output Quality
Correctness and depth of what it produces
Agentic Ability
Tool calls, instruction-following, and multi-step tasks
Speed
Tokens per second and time-to-first-token
Value for money
How much capability you get per dollar
Reliability
Consistent results: fewer refusals, loops and format breaks

Specs and pricing side by side

Spec
Fable 5.1
Muse Wonder
Maker
Anthropic
Meta
Blended price / 1M
$22
$8.80
Input / output
$10 in · $50 out / 1M tokens
$4.00 in · $20 out / 1M tokens
Context window
1M
1.0M
Open weights
No
No
Tool use
Yes
Yes
Reasoning
Yes
Yes
Output Quality
9.4
9.3
Agentic Ability
9.4
9.0
Speed
7.0
8.0
Value for money
4.5
5.4
Reliability
9.6
9.0

Pricing and capabilities synced from the OpenRouter catalogue. Scores are editorial (0–10).

Verdict: Fable 5.1 or Muse Wonder?

Updated 2026-10-13

Choose Claude Fable 5.1 if you want teams already standardized on Fable that want the newest premium Claude. Choose Muse Wonder if you want multimodal agent work where you want a frontier model outside the usual three vendors.

In our editorial scoring, Claude Fable 5.1 leads in 3 of five dimensions (output quality, agentic ability and reliability), while Muse Wonder leads in 2. On price, Claude Fable 5.1 runs about $22 per 1M tokens (blended) and is proprietary; Muse Wonder is about $8.80 and proprietary.

Where Fable 5.1 falls short
  • Opus 5.5 scores higher on Artificial Analysis and Terminal-Bench 4.0 at less than half the cost per request
  • About 71 output tokens/s at max effort, per Artificial Analysis
Full Fable 5.1 breakdown →
Where Muse Wonder falls short
  • Same price as Claude Opus 5.5 ($4/$20) but lower on Artificial Analysis and Terminal-Bench 4.0
  • Closed weights, unlike Meta's Llama models
Full Muse Wonder breakdown →

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