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Head-to-head comparison

Muse Spark 1.2 vs Mistral Medium 3.5

Muse Spark 1.2 (Meta) and Mistral Medium 3.5 (Mistral AI) 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 18 August 2026

As of 18 August 2026, Muse Spark 1.2 holds the stronger ModelCap Index position (#4 vs #38); Muse Spark 1.2 is 1.8× cheaper per output token ($4.25/1M vs $7.50/1M); and Muse Spark 1.2 offers the longer context window (1M vs 262K tokens).

Which should you choose?

Choose Muse Spark 1.2 if…

  • you want the stronger overall ModelCap Index position — #4 against #38 (81.0 vs 53.9 points).
  • API cost matters — $4.25/1M output tokens against $7.50/1M, about 1.8× cheaper.
  • your workload is prompt-heavy — input tokens cost $1.25/1M against $1.50/1M.
  • you need the longer context window — 1M tokens against 262K.
  • Arena coding is your yardstick — 1533 against 1479.
  • Artificial Analysis Intelligence Index is your yardstick — 56.8 against 30.4.
  • you want the more recently listed model — Muse Spark 1.2 was listed 5 August 2026, Mistral Medium 3.5 30 April 2026.

Choose Mistral Medium 3.5 if…

  • ModelCap publishes no field on which Mistral Medium 3.5 leads Muse Spark 1.2 for this pair.

Muse Spark 1.2 vs Mistral Medium 3.5: specs, pricing and context

Specification comparison of Muse Spark 1.2 and Mistral Medium 3.5
FieldMuse Spark 1.2MetaMistral Medium 3.5Mistral AI
ModelCap Index position#4#38
Index score81.053.9
EvidenceMeasuredMeasured
Input price / 1M tokens$1.25$1.50
Output price / 1M tokens$4.25$7.50
Context window1M tokens262K tokens
Max output tokens——
API providers listed11
Weight accessAPI onlyAPI only
Input modalitiesText, Image, Video, File, AudioText, Image, File
First listed5 August 202630 April 2026
PublisherMetaMistral AI

Evidence: 3 public benchmark observations across 3 boards · 4 public benchmark observations across 4 boards. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Muse Spark 1.2 vs Mistral Medium 3.5

Public benchmark boards where Muse Spark 1.2 or Mistral Medium 3.5 has a published result
BoardMuse Spark 1.2Mistral Medium 3.5Leads
Arena codingArena (LMArena)15331514–1553X-High14791468–1490Muse Spark 1.2
LMArena AgentLMArena—-7.0%-9.0%–-5.0%Only one result
Artificial Analysis Intelligence IndexArtificial Analysis56.8intelligence-index30.4intelligence-indexMuse Spark 1.2

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.

Muse Spark 1.2 vs Mistral Medium 3.5: common questions

Is Muse Spark 1.2 better than Mistral Medium 3.5?

Muse Spark 1.2 ranks higher on the ModelCap Index as of 18 August 2026: #4 against #38. 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.

Is Muse Spark 1.2 cheaper than Mistral Medium 3.5?

Muse Spark 1.2 is cheaper on output tokens: $4.25/1M against $7.50/1M. Input tokens are $1.25/1M for Muse Spark 1.2 and $1.50/1M for Mistral Medium 3.5. Prices are the lowest listed API offer ModelCap observed, in USD per million tokens.

Which has the bigger context window, Muse Spark 1.2 or Mistral Medium 3.5?

Muse Spark 1.2 has the larger context window: 1M tokens against 262K.

Which is better for coding, Muse Spark 1.2 or Mistral Medium 3.5?

Arena coding: Muse Spark 1.2 1533, Mistral Medium 3.5 1479 — Muse Spark 1.2 leads.

Are Muse Spark 1.2 and Mistral Medium 3.5 open-weight models?

Muse Spark 1.2: API only. Mistral Medium 3.5: API only. Open weights mean the checkpoint can be downloaded and self-hosted under its licence; API-only models are available solely through hosted endpoints.

Where can I run Muse Spark 1.2 and Mistral Medium 3.5?

ModelCap currently lists 1 API provider for Muse Spark 1.2 and 1 for Mistral Medium 3.5, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this Muse Spark 1.2 vs Mistral Medium 3.5 comparison?

Every figure comes from the sealed ModelCap dataset published 18 August 2026; the page re-renders within a minute of each data refresh, and the ModelCap Index positions are the same ones shown on the live rankings.

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