Claude 4.5 Haiku vs Muse Spark 1.1

• Claude 4.5 Haiku
• Muse Spark 1.1

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Head to head on 4 boards: Muse Spark 1.1 places best on 4 and Claude 4.5 Haiku places best on 0. Both ranked on 4 of 12 boards.

Board	Read	Claude 4.5 Haiku	Muse Spark 1.1
Chat2
MultiChallengeScoretodaytoday	Nov 9todaytoday	#2950.5%	#475.3%best of the picked
Text ArenaArena ratingtodaytoday	Nov 9todaytoday		#131,490
Reasoning3
Epoch ECIECItodaytoday	Nov 9todaytoday	#99142.8	#42154.9best of the picked
LiveBenchGlobal averagetodaytoday	Nov 9todaytoday		#3575.3%
ARC-AGI-2Scoretodaytoday	Nov 9todaytoday	#684.0%
Coding3
SWE-bench VerifiedResolved · staletodaytoday	Nov 9todaytoday	#1366.6%
SWE-Bench ProResolvedtodaytoday	Nov 9todaytoday	#1825.5%
WebDev ArenaArena ratingtodaytoday	Nov 9todaytoday		#441,542
Agents and tools2
MCP AtlasPass ratetodaytoday	Nov 9todaytoday	#3740.2%	#288.1%best of the picked
BFCLOverall accuracy · staletodaytoday	Nov 9todaytoday	#668.7%
Vision2
Document ArenaArena ratingtodaytoday	Nov 9todaytoday	#381,419	#91,479best of the picked
Vision ArenaArena ratingtodaytoday	Nov 9todaytoday		#241,279

Green marks the best placing among the picked where two or more are ranked; ties are marked for each. Ranks are each board's own order (lower is better), scores as the board published them. Dash: not on that board.