Muse Spark is a natively multimodal reasoning model released by Meta Superintelligence Labs in April 2026, designed as a powerful personal assistant. It accepts voice, text, and image inputs, and features two reasoning modes: Contemplating mode for deep parallel multi-agent reasoning on complex problems, and Instant mode for fast everyday interactions. The model excels at visual reasoning, coding from visual specifications, and health analytics — scoring #1 globally on HealthBench Hard — and powers Meta AI across Facebook, Instagram, WhatsApp, and Messenger.
VisionReasoning|Proprietary Model
AI Performance Evaluation
Arena Overall Score
1491
±6As of 2026-05-01
Overall Rank
No.6
9,414 Votes
Arena by Ability
Hard Prompts
1511±8No.6
Expert Knowledge
1488±19No.25
Instruction Following
1465±11No.15
Conversation Memory
1500±16No.6
Creative
1462±16No.10
Coding
1529±12No.7
Math
1462±22No.27
Arena by Occupation
Creative Writing
1461±13No.12
Social Sciences
1499±15No.7
Media
1462±14No.7
Business
1492±14No.6
Healthcare
1518±23🥈 No.2
Legal
1511±23🥈 No.2
Software
1524±10No.5
Mathematics
1468±25No.26
Source:Arena Intelligence
Overall
AA Intelligence Index
52%↑13%
Reasoning & Math
GPQA Diamond
88%↑6%
HLE
40%↑22%
Coding
AA Coding Index
48%↑11%
TAU2
92%↑11%
TerminalBench
46%↑11%
SciCode
52%↑10%
Language & Instructions
IFBench
76%↑13%
AA-LCR
70%↑8%
Source:Artificial Analysis
