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Muse Spark 1.2

Muse Spark 1.2 is Meta's proprietary frontier model, released August 5, 2026 — a break from the open-weights Llama line. Priced at $1.25 per million input tokens and $4.25 per million output, it scores 57 on the Artificial Analysis Intelligence Index with text, image, speech, and video input.

ai.meta.com

Spec sheet

MakerMeta
Released2026-08-05
API IDmuse-spark-1.2
ParametersNot disclosed
Context window1M tokens
Modalities intext, image, audio, video
Modalities outtext
API availabilityMeta AI API · OpenRouter (unverified)
Pricing (per MTok)$1.25 in / $4.25 outas of · source

Benchmarks

BenchmarkScoreMeasuredSource
AA Intelligence Index57artificialanalysis.ai

Dashed values are vendor-published and not yet reproduced in our harness — methodology.

Changelog

  1. Meta releases Muse Spark 1.2 — proprietary, full multimodal inputsource

Head-to-head

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Profile published August 11, 2026; data last changed August 11, 2026. Every value carries its own measurement or verification date. Flagged values are best-known public figures pending confirmation.