Standard Compute
Model comparison 2026

Claude Opus 5.5 vs Muse Wonder

Claude Opus 5.5
Anthropic · Frontier · Proprietary
$8.80/1M · 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
Opus 5.5
Muse Wonder
Maker
Anthropic
Meta
Blended price / 1M
$8.80
$8.80
Input / output
$4.00 in · $20 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
10.0
9.3
Agentic Ability
10.0
9.0
Speed
7.6
8.0
Value for money
5.7
5.4
Reliability
9.5
9.0

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

Verdict: Opus 5.5 or Muse Wonder?

Updated 2026-10-13

Choose Claude Opus 5.5 if you want the hardest coding and agent steps, with Sonnet 5.5 handling routine work. 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 Opus 5.5 leads in 4 of five dimensions (output quality, agentic ability, value for money and reliability), while Muse Wonder leads in 1. On price, Claude Opus 5.5 runs about $8.80 per 1M tokens (blended) and is proprietary; Muse Wonder is about $8.80 and proprietary.

Where Opus 5.5 falls short
  • Costs twice Sonnet 5.5 per request ($0.107 vs $0.053) for a small measured gain
  • Sonnet 5.5 scores higher in Artificial Analysis's Terminal-Bench 4.0 run (63.6% vs 59.6%)
Full Opus 5.5 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 →

The agent matters as much as the model. Compare AI agents →

Current Claude, GPT, Gemini and open models are included with Standard Compute

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Current frontier models Claude Opus 5.5 · Claude Sonnet 5.5

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