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Muse Spark 1.3

Meta · Released 2 Sep 2026 · muse-spark-1.3

Compare this model
ProprietaryAgentsCodingMultimodalLong context

$1.25

Input price / 1M tokens

#27 of 61, cheapest first

$4.25

Output price / 1M tokens

#26 of 61, cheapest first

1.05M

Context window

#11 of 71

152

Output tokens / second

#18 of 61

Summary

Muse Spark 1.3 is a proprietary model from Meta, released on 2 Sep 2026.

At $1.25 input and $4.25 output per million tokens, it is #27 of 61 on input price, cheapest first.

Its 1.05M-token context window ranks #11 of 71.

Measured output speed is 152 tokens per second, #18 of 61.

Meta's current hosted flagship (not a Llama model), sold through the paid Meta Model API. Meta says it is tuned for agentic, long-horizon and coding work, with text, image, video and PDF input.

Benchmarks · 0 reported

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Sources

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