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Muse Spark 1.3

Meta

Released
September 2, 2026
Data date
September 3, 2026

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Position within the category

This overview uses only published data from matching cohorts. Missing values never change a rank.

This model does not yet have enough published values for an overall rank. It covers 0 of 4 required comparison cohorts.

Coverage
0 / 4

Leaderboard

1Claude Opus 588.9 / 100
2Gemini 3.8 Flash88.5 / 100
3Claude Fable 583.2 / 100
25MiMo-V2.5-Pro12.5 / 100
Muse Spark 1.3, Current modelNot ranked

Profile

Specifications and access

Published information about this model. Unknown values are not estimated.

Model type
ProprietarySource
Context window
1,048,576 tokensSource
Notes
Multimodal reasoning model for long-running agentic and coding tasks. Meta reports about 20% fewer tool calls and about 25% fewer tokens than Muse Spark 1.2; parameter count is not published.Source

Pricing

Published prices

Prices remain tied to their documented unit and source.

API input
$1.25 per 1M tokensSource
API output
$4.25 per 1M tokensSource
Cache read
$0.15 per 1M tokensSource

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Evidence

Primary sources and data date

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