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Comparison · 2 models · Updated Nov 2, 2026

Muse Spark Open vs Muse Wonder

Too close to call on our weighted score (Muse Wonder 68, Muse Spark Open 68). The right pick depends on what you value most.

  1. Meta

    Muse Spark Open

    Released Oct 15, 2026New

    68/100
    • ECI155.1
    • Price$1.25 / $4.25
    • Context1.05M
    Full specs Remove Muse Spark Open

  2. Meta

    Muse Wonder

    Released Oct 12, 2026New

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

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01 — Verdict

Too close to call

It is close. Our weighted score puts them within a point (Muse Wonder 68/100, Muse Spark Open 68/100), so choose by what matters most for your work: Muse Wonder for raw capability and Muse Spark Open on price. The score weighs capability 50%, price 25%, inputs & features 15%, context window 10%.

  • CapabilityMuse WonderCapabilities Index (ECI): Muse Wonder 161.7 · Muse Spark Open 155.1
  • Lowest priceMuse Spark OpenMuse Spark Open $2.00 · Muse Wonder $8.00 per 1M tokens (3:1 blend)
  • Longest contextAbout the sameMuse Spark Open 1,048,576 · Muse Wonder 1,048,576 tokens
  • Widest inputsMuse WonderMuse Spark Open: Text, Images, Audio, Video · Muse Wonder: Text, Images, PDFs, Audio, Video
  • Self-hostingMuse Spark OpenPublishes downloadable weights (Muse Model License)
How the score is built
MeasureWeightMuse Spark OpenMuse Wonder
CapabilityCapabilities Index (ECI)50%8391
Price25%347
Inputs & features15%80100
Context window10%6161
Overall100%68/10068/100
02 — Side by side

Every spec in one table

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

Muse Spark Open vs Muse Wonder specifications side by side
SpecificationMuse Spark OpenMetaMuse WonderMeta
Capability
Capabilities Index (ECI)155.1161.7 (best)
ECI rank#39 of 165#13 of 165 (best)
GPQA DiamondGraduate-level science questions88.6%—
FrontierMath Tiers 1–3Research-level mathematics69.8%82.1% (best)
OTIS Mock AIME 2024–2025Competition mathematics98.1%99.4% (best)
SimpleQA VerifiedShort factual questions56.6%—
Price per million tokens
Input$1.25 (best)$4.00
Output$4.25 (best)$20.00
Cached input—$0.20
Blended (3:1)$2.00 (best)$8.00
Long-context rateSame rateSame rate
Price sourceMedian of 16 providersOfficial Meta API
Limits
Context window1,048,576 tokens1,048,576 tokens
Max output131,072 tokens131,072 tokens
Inputs and features
TextYesYes
ImagesYesYes
PDFsNoYes
AudioYesYes
VideoYesYes
ReasoningYesYesminimal · low · medium · high · xhigh · max
Tool callingYesYes
Structured outputNoYes
Availability
WeightsOpenMuse Model LicenseProprietary
API model ID—muse-wonder-1.0
API providers16 (best)9
ReleasedOct 15, 2026Oct 12, 2026
Knowledge cutoffJan 4, 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.

  • Muse Spark Open$21.00
  • Muse Wonder$80.00
04 — Questions

Which should you choose?

Which is better: Muse Spark Open or Muse Wonder?

It is close. Our weighted score puts them within a point (Muse Wonder 68/100, Muse Spark Open 68/100), so choose by what matters most for your work: Muse Wonder for raw capability and Muse Spark Open on price. The score weighs capability 50%, price 25%, inputs & features 15%, context window 10%.

Which is cheaper, Muse Spark Open or Muse Wonder?

Muse Spark Open is cheaper at $1.25 input / $4.25 output per million tokens (median across 16 API providers). 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 $2.00 per million tokens for Muse Spark Open versus $8.00 for Muse Wonder (4× as much).

Which scores higher on benchmarks?

Muse Wonder scores higher on the Capabilities Index (ECI): Muse Wonder 161.7 (#13 of 165) and Muse Spark Open 155.1 (#39 of 165). Their confidence ranges do not overlap (159.2–164.6 vs 153.1–157.3), so the gap is a real one. On individual benchmarks: FrontierMath Tiers 1–3 — Muse Wonder 82.1%, Muse Spark Open 69.8%; OTIS Mock AIME 2024–2025 — Muse Wonder 99.4%, Muse Spark Open 98.1%.

Which is better for coding?

There are no published SWE-bench Verified results for Muse Spark Open and Muse Wonder yet, so there is no like-for-like coding score. On overall capability, Muse Wonder 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 Spark Open and Muse Wonder share the same 1,048,576-token context window. Maximum output per response: Muse Spark Open up to 131,072, Muse Wonder up to 131,072 tokens.

Which can read images, PDFs, audio or video?

Muse Spark Open accepts text, images, audio and video; Muse Wonder accepts text, images, PDFs, audio and video. Muse Wonder handles the widest range of inputs.

Are any of these open source?

Muse Spark Open publishes its weights (Muse Model License) and can be self-hosted; Muse Wonder is proprietary.

Which is newer?

Muse Spark Open is the newest, released Oct 15, 2026. Muse Wonder came out Oct 12, 2026. Knowledge cutoff: Muse Spark Open Jan 4, 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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