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Model comparison

Muse Spark 1.1 vs Muse Spark 1.2

Price history, scores and specs for both models, line by line. Every value shows where it came from and when we last confirmed it.

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Meta

Muse Spark 1.1

Open Llama instruction model for multilingual chat, reasoning, and coding.

20 checked values

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Meta

Muse Spark 1.2

Muse Spark 1.2 is a reasoning model from Meta, designed for complex agentic tasks.

20 checked values

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Quick take

Where each one leads

  • Muse Spark 1.2 scores higher on the Artificial Analysis Intelligence Index: 39.6 to 33.7.
  • Muse Spark 1.2 scores higher on the Artificial Analysis Coding Index: 72.2 to 71.3.
  • More people run Muse Spark 1.2 through OpenRouter than Muse Spark 1.1 right now.

Each line comes from a checked value in the tables below. Pick on your workload: price and usage matter for high volume, context and scores for long documents and agent loops.

Price history

Prices side by side, day by day

Input price history
$0$0.688$1.383 Sept 202610 Nov 2026
Output price history
$0$2.34$4.683 Sept 202610 Nov 2026

Prices are the listed OpenRouter base rates in US dollars. A day we could not confirm is left out of the line, never filled in.

Price

What each one costs now

Muse Spark 1.1 vs Muse Spark 1.2: What each one costs now
MeasureMuse Spark 1.1Muse Spark 1.2
Input price$1.25 per million tokensChecked OpenRouter models API$1.25 per million tokensChecked OpenRouter models API
Output price$4.25 per million tokensChecked OpenRouter models API$4.25 per million tokensChecked OpenRouter models API

Scores

Benchmarks, with source and date

Muse Spark 1.1 vs Muse Spark 1.2: Benchmarks, with source and date
MeasureMuse Spark 1.1Muse Spark 1.2
Artificial Analysis Intelligence Index33.7Checked Artificial Analysis via OpenRouter39.6 LeadsChecked Artificial Analysis via OpenRouter
Artificial Analysis Coding Index71.3Checked Artificial Analysis via OpenRouter72.2 LeadsChecked Artificial Analysis via OpenRouter
Artificial Analysis Agentic Index25.8Checked Artificial Analysis via OpenRouter43.2 LeadsChecked Artificial Analysis via OpenRouter
LMArena text rating (Elo)1,479Checked LMArena (CC-BY-4.0), published 2026-11-091,484 LeadsChecked LMArena (CC-BY-4.0), published 2026-11-09
LMArena web development rating (Elo)1,541 LeadsChecked LMArena (CC-BY-4.0), published 2026-11-091,534Checked LMArena (CC-BY-4.0), published 2026-11-09
LMArena vision rating (Elo)1,292Checked LMArena (CC-BY-4.0), published 2026-11-091,305 LeadsChecked LMArena (CC-BY-4.0), published 2026-11-09
Design Arena rating (Elo)1,281Checked Design Arena via OpenRouter1,326 LeadsChecked Design Arena via OpenRouter

Specs

Context, modalities and tool use

Muse Spark 1.1 vs Muse Spark 1.2: Context, modalities and tool use
MeasureMuse Spark 1.1Muse Spark 1.2
Context window1,048,576 tokensChecked OpenRouter models API1,048,576 tokensChecked OpenRouter models API
ReadsText, Images, Video, FilesChecked OpenRouter models APIText, Images, Video, FilesChecked OpenRouter models API
WritesTextChecked OpenRouter models APITextChecked OpenRouter models API
Tool callingYesChecked OpenRouter models APIYesChecked OpenRouter models API
Reasoning modeYesChecked OpenRouter models APIYesChecked OpenRouter models API
Open weightsNoChecked OpenRouter models APINoChecked OpenRouter models API
Listed since16 July 2026Checked OpenRouter models API5 Aug 2026Checked OpenRouter models API

Usage

How much each one is used

Muse Spark 1.1 vs Muse Spark 1.2: How much each one is used
MeasureMuse Spark 1.1Muse Spark 1.2
Tokens served on OpenRouter in a day551.2M (for 10 Nov 2026)Checked OpenRouter model activity (748 of 748 series)697.6M Leads (for 10 Nov 2026)Checked OpenRouter model activity (748 of 748 series)
Requests on OpenRouter in a day12.5K (for 10 Nov 2026)Checked OpenRouter model activity (748 of 748 series)30K Leads (for 10 Nov 2026)Checked OpenRouter model activity (748 of 748 series)
Tool calls on OpenRouter in a day6.6K Leads (for 10 Nov 2026)Checked OpenRouter model activity (748 of 748 series)5.4K (for 10 Nov 2026)Checked OpenRouter model activity (748 of 748 series)
Token usage, last 7 daysUp 10% on the week before Leads (for 10 Nov 2026)Checked OpenRouter model activity (748 of 748 series)Down 22% on the week before (for 10 Nov 2026)Checked OpenRouter model activity (748 of 748 series)
Tokens served a day on OpenRouter
02.3B4.6B19 Sept 202610 Nov 2026

How this works

One link, either order

This link stays the same whichever order you name the two models in, so you can share it as it is. A line appears only when at least one model has a value we confirmed from a source; values we have not confirmed are left out, never guessed. To add a third record of any type, use the open comparison. Read how we check facts.