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ModelCap

Head-to-head comparison

Gemini 3.5 Flash Lite vs Muse Spark 1.3

Gemini 3.5 Flash Lite (Google) and Muse Spark 1.3 (Meta) compared on the ModelCap Index, API price, context window, provider availability, weight access and every public benchmark board they share. Figures are the same ones shown on the live rankings; nothing here is a hidden score.

Snapshot as of 22 October 2026

As of 22 October 2026, Muse Spark 1.3 holds the stronger ModelCap Index position (#5 vs #33); and Gemini 3.5 Flash Lite is 1.7× cheaper per output token ($2.50/1M vs $4.25/1M).

Which should you choose?

Choose Gemini 3.5 Flash Lite if…

  • API cost matters — $2.50/1M output tokens against $4.25/1M, about 1.7× cheaper.
  • your workload is prompt-heavy — input tokens cost $0.30/1M against $1.25/1M.
  • you want provider choice — 2 listed API providers against 1.

Choose Muse Spark 1.3 if…

  • you want the stronger overall ModelCap Index position — #5 against #33 (83.4 vs 71.8 points).
  • Arena text is your yardstick — 1495 against 1455.
  • Arena coding is your yardstick — 1535 against 1502.
  • you want the more recently listed model — Muse Spark 1.3 was listed 2 September 2026, Gemini 3.5 Flash Lite 21 July 2026.

Gemini 3.5 Flash Lite vs Muse Spark 1.3: specs, pricing and context

Specification comparison of Gemini 3.5 Flash Lite and Muse Spark 1.3
FieldGemini 3.5 Flash LiteGoogleMuse Spark 1.3Meta
ModelCap Index position#33#5
Index score71.883.4
EvidenceMeasuredMeasured
Input price / 1M tokens$0.30$1.25
Output price / 1M tokens$2.50$4.25
Context window1M tokens1M tokens
Declared route output cap66K944K
API providers listed21
Weight accessNo linked weightsNo linked weights
Input modalitiesText, Image, Video, File, AudioText, Image, Video, File
First listed21 July 20262 September 2026
PublisherGoogleMeta

Evidence: 3 public benchmark observations across 3 boards · 3 public benchmark observations across 3 boards. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Gemini 3.5 Flash Lite vs Muse Spark 1.3

Public benchmark boards where Gemini 3.5 Flash Lite or Muse Spark 1.3 has a published result
BoardGemini 3.5 Flash LiteMuse Spark 1.3Leads
Arena textArena (LMArena)14551451–1460Not reported14951489–1500MaxMuse Spark 1.3
Arena codingArena (LMArena)15021495–150915351526–1544MaxMuse Spark 1.3
LMArena AgentLMArena—3.4%2.6%–4.3%MaxOnly one result
ARC-AGI-2ARC Prize Foundation10.3%High—Only one result
AA Intelligence IndexArtificial Analysis22.2Reasoning—Only one result
AA Terminal-Bench 2.1Artificial Analysis53.6%Reasoning—Only one result
AA Humanity's Last ExamArtificial Analysis18.8%Reasoning—Only one result
Terminal-Bench 4.0Terminal-Bench (Laude Institute)—14.6%11.6%–17.5%Muse Code · X-HighOnly one result

Scores are the sources' own published figures for each model's best evaluated configuration; ModelCap never re-runs a benchmark.

Want a different pairing? Open the interactive comparison tool to swap either model for any current ranked language model.

Gemini 3.5 Flash Lite vs Muse Spark 1.3: common questions

Is Gemini 3.5 Flash Lite better than Muse Spark 1.3?

Muse Spark 1.3 ranks higher on the ModelCap Index as of 22 October 2026: #5 against #33. That is a capability ranking built from public benchmark evidence with published uncertainty; whether it is "better" for you also depends on price, context and where you can run it. Their published uncertainty intervals do not overlap, but the aggregate Index does not predict performance on every task; compare the relevant benchmark configurations before choosing.

Is Gemini 3.5 Flash Lite cheaper than Muse Spark 1.3?

Gemini 3.5 Flash Lite is cheaper on output tokens: $2.50/1M against $4.25/1M. Input tokens are $0.30/1M for Gemini 3.5 Flash Lite and $1.25/1M for Muse Spark 1.3. Prices are the lowest listed API offer ModelCap observed, in USD per million tokens. For 1,000 requests with 2,000 input and 500 output tokens each (2M input + 0.5M output), the listed-rate estimate is $1.85 for Gemini 3.5 Flash Lite versus $4.63 for Muse Spark 1.3. Gemini 3.5 Flash Lite costs 60.0% less in this scenario. This excludes caching, batch discounts, prompt-length tiers, tool charges and retries; verify the selected endpoint before budgeting.

Which has the bigger context window, Gemini 3.5 Flash Lite or Muse Spark 1.3?

Both publish a 1M-token context window. OpenRouter catalogue or provider-endpoint declaration. Limits can vary by provider and prompt length; a model-wide maximum has not been independently verified.

Which is better for coding, Gemini 3.5 Flash Lite or Muse Spark 1.3?

Arena coding: Gemini 3.5 Flash Lite 1502, Muse Spark 1.3 1535 — Muse Spark 1.3 leads.

Are Gemini 3.5 Flash Lite and Muse Spark 1.3 open-weight models?

Gemini 3.5 Flash Lite: No linked weights. Muse Spark 1.3: No linked weights. Open weights mean the checkpoint can be downloaded and self-hosted under its licence. A missing weight link does not identify every API or chat product that offers a model.

Where can I run Gemini 3.5 Flash Lite and Muse Spark 1.3?

ModelCap currently lists 2 API providers for Gemini 3.5 Flash Lite and 1 for Muse Spark 1.3, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this Gemini 3.5 Flash Lite vs Muse Spark 1.3 comparison?

Every figure and ModelCap Index position comes from the same published snapshot dated 22 October 2026. Publication and page updates happen separately; use the snapshot date shown on the page.

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