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Head-to-head comparison

Muse Spark 1.2 vs Muse Spark 1.2 Contributor

Muse Spark 1.2 (Meta) and Muse Spark 1.2 Contributor (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 August 2026

As of 22 August 2026, Muse Spark 1.2 holds the stronger ModelCap Index position (#4 vs #39); and Muse Spark 1.2 Contributor is 21.3× cheaper per output token ($0.20/1M vs $4.25/1M).

Which should you choose?

Choose Muse Spark 1.2 if…

  • you want the stronger overall ModelCap Index position — #4 against #39 (81.0 vs 54.7 points).

Choose Muse Spark 1.2 Contributor if…

  • API cost matters — $0.20/1M output tokens against $4.25/1M, about 21.3× cheaper.
  • your workload is prompt-heavy — input tokens cost $0.10/1M against $1.25/1M.
  • you want the more recently listed model — Muse Spark 1.2 Contributor was listed 21 August 2026, Muse Spark 1.2 5 August 2026.

Muse Spark 1.2 vs Muse Spark 1.2 Contributor: specs, pricing and context

Specification comparison of Muse Spark 1.2 and Muse Spark 1.2 Contributor
FieldMuse Spark 1.2MetaMuse Spark 1.2 ContributorMeta
ModelCap Index position#4#39
Index score81.054.7
EvidenceMeasuredEstimated
Input price / 1M tokens$1.25$0.10
Output price / 1M tokens$4.25$0.20
Context window1M tokens1M tokens
Max output tokens——
API providers listed11
Weight accessAPI onlyAPI only
Input modalitiesText, Image, Video, File, AudioText, Image, Video, File, Audio
First listed5 August 202621 August 2026
PublisherMetaMeta

Evidence: 3 public benchmark observations across 3 boards · publisher corpus prior · leave-one-anchor-out calibrated. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Muse Spark 1.2 vs Muse Spark 1.2 Contributor

Public benchmark boards where Muse Spark 1.2 or Muse Spark 1.2 Contributor has a published result
BoardMuse Spark 1.2Muse Spark 1.2 ContributorLeads
Arena codingArena (LMArena)15331514–1553X-High—Only one result
Artificial Analysis Intelligence IndexArtificial Analysis56.8intelligence-index—Only 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.

Muse Spark 1.2 vs Muse Spark 1.2 Contributor: common questions

Is Muse Spark 1.2 better than Muse Spark 1.2 Contributor?

Muse Spark 1.2 ranks higher on the ModelCap Index as of 22 August 2026: #4 against #39. 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 Muse Spark 1.2 Contributor?

Muse Spark 1.2 Contributor is cheaper on output tokens: $0.20/1M against $4.25/1M. Input tokens are $1.25/1M for Muse Spark 1.2 and $0.10/1M for Muse Spark 1.2 Contributor. 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 Muse Spark 1.2 Contributor?

Both publish a 1M-token context window.

Which is better for coding, Muse Spark 1.2 or Muse Spark 1.2 Contributor?

The two models do not share a coding benchmark board on ModelCap yet, so no head-to-head coding score is published; the ModelCap Index position is the closest overall signal.

Are Muse Spark 1.2 and Muse Spark 1.2 Contributor open-weight models?

Muse Spark 1.2: API only. Muse Spark 1.2 Contributor: 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 Muse Spark 1.2 Contributor?

ModelCap currently lists 1 API provider for Muse Spark 1.2 and 1 for Muse Spark 1.2 Contributor, 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 Muse Spark 1.2 Contributor comparison?

Every figure comes from the sealed ModelCap dataset published 22 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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