Muse Spark

Meta · released Apr 15, 2026

First release of Meta's Muse hosted family.

textimage1.0M ctxNot disclosed

47.0

Podium Score

#318 of 673

1488

Arena Elo

10 on Arena

80 t/s

Output Speed

$0/M

Output Price

$0/M in

1.0M

Context Window

Scores by Source

#10 · 13.5k votes · ±6

Artificial Analysis ↗

Intelligence Index

Composite score

Category Scores

👁️ Multimodal

66.9

59.8

56.8

51.9

47.3

27.2

24.8

📜 Long Context

0.0

Benchmark Results

τ²-Bench Retail

91.5%

89.5%

CharXiv Reasoning

86.4%

84.1%

80.4%

SWE-Bench Verified

77.4%

Ifbench

75.9%

69.7%

Humanity’s Last Exam

58.4%

52.4%

51.5%

Terminal-Bench Hard

45.5%

42.5%

Model Details

Release date	Apr 15, 2026
Parameters	Not disclosed
License	Proprietary
Context Window	1,000,000 tokens
Input Price	$0/M
Output Price	$0/M
Output Speed	80 t/s
Time to First Token	—