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Comparison · 2 models · Updated Oct 4, 2026

Muse Spark 1.1 vs Gemini 3.5 Flash

Too close to call on our weighted score (Muse Spark 1.1 70, Gemini 3.5 Flash 69). The right pick depends on what you value most.

  1. Meta

    Muse Spark 1.1

    Released Jul 9, 2026

    70/100
    • ECI154.3
    • Price$1.25 / $4.25
    • Context1.05M
    Full specs Remove Muse Spark 1.1

  2. Google

    Gemini 3.5 Flash

    Released May 19, 2026

    69/100
    • ECI154.5
    • Price$1.50 / $9.00
    • Context1.05M
    Full specs Remove Gemini 3.5 Flash

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01 — Verdict

Too close to call

It is close. Our weighted score puts them within 1 points (Muse Spark 1.1 70/100, Gemini 3.5 Flash 69/100), so choose by what matters most for your work: Gemini 3.5 Flash for raw capability and Muse Spark 1.1 on price. The score weighs capability 50%, price 25%, inputs & features 15%, context window 10%.

  • CapabilityGemini 3.5 FlashCapabilities Index (ECI): Gemini 3.5 Flash 154.5 · Muse Spark 1.1 154.3
  • Lowest priceMuse Spark 1.1Muse Spark 1.1 $2.00 · Gemini 3.5 Flash $3.38 per 1M tokens (3:1 blend)
  • Longest contextAbout the sameMuse Spark 1.1 1,048,576 · Gemini 3.5 Flash 1,048,576 tokens
  • Widest inputsGemini 3.5 FlashMuse Spark 1.1: Text, Images, PDFs, Video · Gemini 3.5 Flash: Text, Images, PDFs, Audio, Video
  • Self-hostingNo open weightsBoth are available only through APIs
How the score is built
MeasureWeightMuse Spark 1.1Gemini 3.5 Flash
CapabilityCapabilities Index (ECI)50%8484
Price25%3625
Inputs & features15%90100
Context window10%6161
Overall100%70/10069/100
02 — Side by side

Every spec in one table

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

Muse Spark 1.1 vs Gemini 3.5 Flash specifications side by side
SpecificationMuse Spark 1.1MetaGemini 3.5 FlashGoogle
Capability
Capabilities Index (ECI)154.3154.5 (best)
ECI rank#35 of 148#33 of 148 (best)
GPQA DiamondGraduate-level science questions—92.8%
FrontierMath Tiers 1–3Research-level mathematics—62.8%
OTIS Mock AIME 2024–2025Competition mathematics—95.6%
SWE-bench VerifiedFixing real GitHub issues—79.3%
SimpleQA VerifiedShort factual questions57.8%66.2% (best)
Price per million tokens
Input$1.25 (best)$1.50
Output$4.25 (best)$9.00
Cached input$0.15$0.15
Blended (3:1)$2.00 (best)$3.38
Long-context rateSame rateSame rate
Price sourceOfficial Meta APIOfficial Google API
Limits
Context window1,048,576 tokens1,048,576 tokens
Max output131,072 tokens (best)65,536 tokens
Inputs and features
TextYesYes
ImagesYesYes
PDFsYesYes
AudioNoYes
VideoYesYes
ReasoningYesminimal · low · medium · high · xhighYesminimal · low · medium · high
Tool callingYesYes
Structured outputYesYes
Availability
WeightsProprietaryProprietary
API model IDmuse-spark-1.1gemini-3.5-flash
API providers1332 (best)
ReleasedJul 9, 2026May 19, 2026
Knowledge cutoff—Jan 2025
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 1.1$21.00
  • Gemini 3.5 Flash$33.00
04 — Questions

Which should you choose?

Which is better: Muse Spark 1.1 or Gemini 3.5 Flash?

It is close. Our weighted score puts them within 1 points (Muse Spark 1.1 70/100, Gemini 3.5 Flash 69/100), so choose by what matters most for your work: Gemini 3.5 Flash for raw capability and Muse Spark 1.1 on price. The score weighs capability 50%, price 25%, inputs & features 15%, context window 10%.

Which is cheaper, Muse Spark 1.1 or Gemini 3.5 Flash?

Muse Spark 1.1 is cheaper at $1.25 input / $4.25 output per million tokens (official Meta API price). Gemini 3.5 Flash costs $1.50 input / $9.00 output per million tokens (official Google API price). At a typical mix of three input tokens to one output token, that is $2.00 per million tokens for Muse Spark 1.1 versus $3.38 for Gemini 3.5 Flash (1.7× as much).

Which scores higher on benchmarks?

Gemini 3.5 Flash scores higher on the Capabilities Index (ECI): Gemini 3.5 Flash 154.5 (#33 of 148) and Muse Spark 1.1 154.3 (#35 of 148). The confidence ranges of the top two overlap (152.5–156.6 vs 152.2–157.1), so treat the gap as small. On individual benchmarks: SimpleQA Verified — Gemini 3.5 Flash 66.2%, Muse Spark 1.1 57.8%.

Which is better for coding?

There are no published SWE-bench Verified results for Muse Spark 1.1 yet, so there is no like-for-like coding score. On overall capability, Gemini 3.5 Flash 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 1.1 and Gemini 3.5 Flash share the same 1,048,576-token context window. Maximum output per response: Muse Spark 1.1 up to 131,072, Gemini 3.5 Flash up to 65,536 tokens.

Which can read images, PDFs, audio or video?

Muse Spark 1.1 accepts text, images, PDFs and video; Gemini 3.5 Flash accepts text, images, PDFs, audio and video. Gemini 3.5 Flash handles the widest range of inputs.

Are any of these open source?

No. Muse Spark 1.1 and Gemini 3.5 Flash are proprietary and only available through APIs and apps.

Which is newer?

Muse Spark 1.1 is the newest, released Jul 9, 2026. Gemini 3.5 Flash came out May 19, 2026. Knowledge cutoff: Gemini 3.5 Flash Jan 2025.

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 Oct 4, 2026.

05 — Keep comparing

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