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Comparison · 2 models · Updated Oct 4, 2026

Gemini 3.8 Flash vs Muse Spark 1.1

Gemini 3.8 Flash comes out ahead, 75 to 70 on our weighted score, and it is the cheaper option too.

  1. Our pick

    Google

    Gemini 3.8 Flash

    Released Sep 2, 2026

    75/100
    • ECI156.9
    • Price$0.75 / $3.75
    • Context1.05M
    Full specs Remove Gemini 3.8 Flash

  2. 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

  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Gemini 3.8 Flash is our pick

Gemini 3.8 Flash is the better all-round choice, scoring 75/100 against Muse Spark 1.1 (70). It leads on capability, price and inputs & features. The score weighs capability 50%, price 25%, inputs & features 15%, context window 10%.

  • CapabilityGemini 3.8 FlashCapabilities Index (ECI): Gemini 3.8 Flash 156.9 · Muse Spark 1.1 154.3
  • Lowest priceGemini 3.8 FlashGemini 3.8 Flash $1.50 · Muse Spark 1.1 $2.00 per 1M tokens (3:1 blend)
  • Longest contextAbout the sameGemini 3.8 Flash 1,048,576 · Muse Spark 1.1 1,048,576 tokens
  • Widest inputsGemini 3.8 FlashGemini 3.8 Flash: Text, Images, PDFs, Audio, Video · Muse Spark 1.1: Text, Images, PDFs, Video
  • Self-hostingNo open weightsBoth are available only through APIs
How the score is built
MeasureWeightGemini 3.8 FlashMuse Spark 1.1
CapabilityCapabilities Index (ECI)50%8784
Price25%4236
Inputs & features15%10090
Context window10%6161
Overall100%75/10070/100
02 — Side by side

Every spec in one table

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

Gemini 3.8 Flash vs Muse Spark 1.1 specifications side by side
SpecificationGemini 3.8 FlashGoogleMuse Spark 1.1Meta
Capability
Capabilities Index (ECI)156.9 (best)154.3
ECI rank#15 of 148 (best)#35 of 148
GPQA DiamondGraduate-level science questions95.4%—
FrontierMath Tiers 1–3Research-level mathematics68.4%—
OTIS Mock AIME 2024–2025Competition mathematics98.9%—
SimpleQA VerifiedShort factual questions69.7% (best)57.8%
Price per million tokens
Input$0.75 (best)$1.25
Output$3.75 (best)$4.25
Cached input$0.075 (best)$0.15
Blended (3:1)$1.50 (best)$2.00
Long-context rateSame rateSame rate
Price sourceOfficial Google APIOfficial Meta API
Limits
Context window1,048,576 tokens1,048,576 tokens
Max output65,536 tokens131,072 tokens (best)
Inputs and features
TextYesYes
ImagesYesYes
PDFsYesYes
AudioYesNo
VideoYesYes
ReasoningYeslow · medium · highYesminimal · low · medium · high · xhigh
Tool callingYesYes
Structured outputYesYes
Availability
WeightsProprietaryProprietary
API model IDgemini-3.8-flashmuse-spark-1.1
API providers21 (best)13
ReleasedSep 2, 2026Jul 9, 2026
Knowledge cutoff——
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.

  • Gemini 3.8 Flash$15.00
  • Muse Spark 1.1$21.00
04 — Questions

Which should you choose?

Which is better: Gemini 3.8 Flash or Muse Spark 1.1?

Gemini 3.8 Flash is the better all-round choice, scoring 75/100 against Muse Spark 1.1 (70). It leads on capability, price and inputs & features. The score weighs capability 50%, price 25%, inputs & features 15%, context window 10%.

Which is cheaper, Gemini 3.8 Flash or Muse Spark 1.1?

Gemini 3.8 Flash is cheaper at $0.75 input / $3.75 output per million tokens (official Google API price). Muse Spark 1.1 costs $1.25 input / $4.25 output per million tokens (official Meta API price). At a typical mix of three input tokens to one output token, that is $1.50 per million tokens for Gemini 3.8 Flash versus $2.00 for Muse Spark 1.1 (1.3× as much).

Which scores higher on benchmarks?

Gemini 3.8 Flash scores higher on the Capabilities Index (ECI): Gemini 3.8 Flash 156.9 (#15 of 148) and Muse Spark 1.1 154.3 (#35 of 148). The confidence ranges of the top two overlap (154.6–160.4 vs 152.2–157.1), so treat the gap as small. On individual benchmarks: SimpleQA Verified — Gemini 3.8 Flash 69.7%, Muse Spark 1.1 57.8%.

Which is better for coding?

There are no published SWE-bench Verified results for Gemini 3.8 Flash and Muse Spark 1.1 yet, so there is no like-for-like coding score. On overall capability, Gemini 3.8 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?

Gemini 3.8 Flash and Muse Spark 1.1 share the same 1,048,576-token context window. Maximum output per response: Gemini 3.8 Flash up to 65,536, Muse Spark 1.1 up to 131,072 tokens.

Which can read images, PDFs, audio or video?

Gemini 3.8 Flash accepts text, images, PDFs, audio and video; Muse Spark 1.1 accepts text, images, PDFs and video. Gemini 3.8 Flash handles the widest range of inputs.

Are any of these open source?

No. Gemini 3.8 Flash and Muse Spark 1.1 are proprietary and only available through APIs and apps.

Which is newer?

Gemini 3.8 Flash is the newest, released Sep 2, 2026. Muse Spark 1.1 came out Jul 9, 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 Oct 4, 2026.

05 — Keep comparing

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