ZMIME
Comparison · 2 models · Updated Nov 2, 2026

Claude Sonnet 5.5 vs Muse Wonder

Claude Sonnet 5.5 comes out ahead, 72 to 68 on our weighted score, and it is the cheaper option too.

  1. Our pick

    Anthropic

    Claude Sonnet 5.5

    Released Sep 28, 2026New

    72/100
    • ECI166.7
    • Price$2.00 / $10.00
    • Context1M
    Full specs Remove Claude Sonnet 5.5

  2. Meta

    Muse Wonder

    Released Oct 12, 2026New

    68/100
    • ECI161.7
    • Price$4.00 / $20.00
    • Context1.05M
    Full specs Remove Muse Wonder

  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Claude Sonnet 5.5 is our pick

Claude Sonnet 5.5 is the better all-round choice, scoring 72/100 against Muse Wonder (68). It leads on capability and price. Muse Wonder wins on inputs & features. The score weighs capability 50%, price 25%, inputs & features 15%, context window 10%.

  • CapabilityClaude Sonnet 5.5Capabilities Index (ECI): Claude Sonnet 5.5 166.7 · Muse Wonder 161.7
  • Lowest priceClaude Sonnet 5.5Claude Sonnet 5.5 $4.00 · Muse Wonder $8.00 per 1M tokens (3:1 blend)
  • Longest contextMuse WonderMuse Wonder 1,048,576 · Claude Sonnet 5.5 1,000,000 tokens
  • Widest inputsMuse WonderClaude Sonnet 5.5: Text, Images, PDFs · Muse Wonder: Text, Images, PDFs, Audio, Video
  • Self-hostingNo open weightsBoth are available only through APIs
How the score is built
MeasureWeightClaude Sonnet 5.5Muse Wonder
CapabilityCapabilities Index (ECI)50%9791
Price25%207
Inputs & features15%80100
Context window10%6061
Overall100%72/10068/100
02 — Side by side

Every spec in one table

Highlighted cells lead their row. Dashes mean the data is not published.

Claude Sonnet 5.5 vs Muse Wonder specifications side by side
SpecificationClaude Sonnet 5.5AnthropicMuse WonderMeta
Capability
Capabilities Index (ECI)166.7 (best)161.7
ECI rank#5 of 165 (best)#13 of 165
GPQA DiamondGraduate-level science questions95.6%—
FrontierMath Tiers 1–3Research-level mathematics88.8% (best)82.1%
OTIS Mock AIME 2024–2025Competition mathematics100% (best)99.4%
SimpleQA VerifiedShort factual questions46.5%—
Price per million tokens
Input$2.00 (best)$4.00
Output$10.00 (best)$20.00
Cached input$0.10 (best)$0.20
Blended (3:1)$4.00 (best)$8.00
Long-context rateSame rateSame rate
Price sourceOfficial Anthropic APIOfficial Meta API
Limits
Context window1,000,000 tokens1,048,576 tokens (best)
Max output128,000 tokens131,072 tokens (best)
Inputs and features
TextYesYes
ImagesYesYes
PDFsYesYes
AudioNoYes
VideoNoYes
ReasoningYeslow · medium · high · xhigh · maxYesminimal · low · medium · high · xhigh · max
Tool callingYesYes
Structured outputYesYes
Availability
WeightsProprietaryProprietary
API model IDclaude-sonnet-5-5muse-wonder-1.0
API providers34 (best)9
ReleasedSep 28, 2026Oct 12, 2026
Knowledge cutoffJun 2026—
03 — Cost

What would a month cost?

Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.

  • Claude Sonnet 5.5$40.00
  • Muse Wonder$80.00
04 — Questions

Which should you choose?

Which is better: Claude Sonnet 5.5 or Muse Wonder?

Claude Sonnet 5.5 is the better all-round choice, scoring 72/100 against Muse Wonder (68). It leads on capability and price. Muse Wonder wins on inputs & features. The score weighs capability 50%, price 25%, inputs & features 15%, context window 10%.

Which is cheaper, Claude Sonnet 5.5 or Muse Wonder?

Claude Sonnet 5.5 is cheaper at $2.00 input / $10.00 output per million tokens (official Anthropic API price). Muse Wonder costs $4.00 input / $20.00 output per million tokens (official Meta API price). At a typical mix of three input tokens to one output token, that is $4.00 per million tokens for Claude Sonnet 5.5 versus $8.00 for Muse Wonder (2× as much).

Which scores higher on benchmarks?

Claude Sonnet 5.5 scores higher on the Capabilities Index (ECI): Claude Sonnet 5.5 166.7 (#5 of 165) and Muse Wonder 161.7 (#13 of 165). The confidence ranges of the top two overlap (163.6–171.3 vs 159.2–164.6), so treat the gap as small. On individual benchmarks: FrontierMath Tiers 1–3 — Claude Sonnet 5.5 88.8%, Muse Wonder 82.1%; OTIS Mock AIME 2024–2025 — Claude Sonnet 5.5 100%, Muse Wonder 99.4%.

Which is better for coding?

There are no published SWE-bench Verified results for Claude Sonnet 5.5 and Muse Wonder yet, so there is no like-for-like coding score. On overall capability, Claude Sonnet 5.5 leads, which tends to carry over to coding, but test on your own codebase. Both support tool calling for agent workflows.

Which has the bigger context window?

Muse Wonder has the largest context window at 1,048,576 tokens, against 1,000,000 for Claude Sonnet 5.5. Maximum output per response: Claude Sonnet 5.5 up to 128,000, Muse Wonder up to 131,072 tokens.

Which can read images, PDFs, audio or video?

Claude Sonnet 5.5 accepts text, images and PDFs; Muse Wonder accepts text, images, PDFs, audio and video. Muse Wonder handles the widest range of inputs.

Are any of these open source?

No. Claude Sonnet 5.5 and Muse Wonder are proprietary and only available through APIs and apps.

Which is newer?

Muse Wonder is the newest, released Oct 12, 2026. Claude Sonnet 5.5 came out Sep 28, 2026. Knowledge cutoff: Claude Sonnet 5.5 Jun 2026.

How do you decide the winner?

Each model gets a 0–100 score on capability (50%, independent benchmark results); price (25%, blended price per million tokens (3 input : 1 output), log scale); inputs & features (15%, image, PDF, audio and video input, tool calling, structured output and reasoning); context window (10%, maximum tokens per request, log scale). Dimensions missing for any model are dropped and the remaining weights rescaled, so every model is judged on the same evidence. Specs and prices come from public model listings and the labs’ own API pages; capability scores come from independent benchmark runs. Data updated Nov 2, 2026.

05 — Keep comparing

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