0

Muse Spark 1.2

Publisher
Meta Platforms
Context
1.0M
Input
Output
Released
5 Aug 2026

Cite

Notes

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Attribution

Attribution policy →
Context
1.0M
Input
$1.25
/1M tok
Output
$4.25
/1M tok
Blended
$2
#395/ 472/1M · 3:1
Speed
259
#13/ 472tok/s
Cache read
$0.15
0.12x input

Price & speed via Artificial Analysis · ranked across tracked models · caching via OpenRouter

Reported on 17 evals across 9 domains - best 90.4% on GPQA Diamond · #40 of 507

Reported eval scores

17
TaxEval v280.4
Finance Agent (v2)60.6
CorpFin v270.9
MortgageTax65.4
SciCode56.4
GPQA Diamond90.4
MedScribe90.1
MedCode49.3
Humanity's Last Exam (HLE)45.5
Vals Index57.1
EQ-Bench Longform Creative Writing81.5
EQ-Bench Creative Writing v31835.2
Creative Story-Writing Benchmark52
Vibe Code Bench v1.179.1
Vals Multimodal Index69.8
ProofBench43
SAGE47.7