Claude Haiku 5.5 vs Muse Spark vs Kimi K3

• Claude Haiku 5.5
• Muse Spark
• Kimi K3

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Head to head on 8 boards: Kimi K3 places best on 5, Claude Haiku 5.5 places best on 2 and Muse Spark places best on 1. All 3 ranked on 0 of 16 boards.

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Claude Haiku 5.5Muse SparkKimi K3

Board	Read	Claude Haiku 5.5	Muse Spark	Kimi K3
Chat2
Text ArenaArena ratingtodaytoday	Oct 8todaytoday		#121,489best of the picked	#131,488
MultiChallengeScoretodaytoday	Oct 8todaytoday		#275.5%
Reasoning6
AA IntelligenceIndextodaytoday	Oct 8todaytoday	#1443.4		#1343.6best of the picked
LiveBenchGlobal averagetodaytoday	Oct 8todaytoday	#4672.1%		#1379.2%best of the picked
Epoch ECIECItodaytoday	Oct 8todaytoday		#44152.0	#15157.4best of the picked
GPQA DiamondAccuracytodaytoday	Oct 8todaytoday		#4189.8%	#1893.1%best of the picked
HLEAccuracytodaytoday	Oct 8todaytoday		#640.6%
ARC-AGI-2Scoretodaytoday	Oct 8todaytoday			#3160.4%
Coding2
SWE-Bench ProResolvedtodaytoday	Oct 8todaytoday			#488.2%
WebDev ArenaArena ratingtodaytoday	Oct 8todaytoday			#111,655
Agents and tools1
MCP AtlasPass ratetodaytoday	Oct 8todaytoday		#982.2%	#882.3%best of the picked
Vision2
Vision ArenaArena ratingtodaytoday	Oct 8todaytoday		#61,294
Document ArenaArena ratingtodaytoday	Oct 8todaytoday		#241,444
Speed1
AA SpeedOutput speedtodaytoday	Oct 8todaytoday	#2243 tok/sbest of the picked		#2542 tok/s
Price1
AA PriceBlended pricetodaytoday	Oct 8todaytoday	#2$0.20best of the picked		#25$6.00
Usage1
OpenRouterWeekly tokenstodaytoday	Oct 8todaytoday			#151.7T tok

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.