Quasar 438B vs Muse Spark 1.1 vs Kimi K3 vs GLM-5.3

Head to head on 10 boards: Kimi K3 places best on 5, Muse Spark 1.1 places best on 2, GLM-5.3 places best on 2 and Quasar 438B places best on 1. All 4 ranked on 0 of 14 boards.

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MCQuasar 438BMuse Spark 1.1Kimi K3GLM-5.3

Board	Read	MCQuasar 438B	Muse Spark 1.1	Kimi K3	GLM-5.3
Chat2
Text ArenaArena ratingtodaytoday	Oct 21todaytoday		#101,491best of the picked	#131,488	#241,478
MultiChallengeScoretodaytoday	Oct 21todaytoday		#375.3%
Reasoning4
LiveBenchGlobal averagetodaytoday	Oct 21todaytoday		#3575.3%	#1479.2%best of the picked	#3176.1%
Epoch ECIECItodaytoday	Oct 21todaytoday		#43154.1	#19157.9best of the picked	#31156.0
GPQA DiamondAccuracytodaytoday	Oct 21todaytoday			#1993.1%best of the picked	#3090.9%
ARC-AGI-2Scoretodaytoday	Oct 21todaytoday			#3360.4%
Coding2
WebDev ArenaArena ratingtodaytoday	Oct 21todaytoday		#351,542	#111,655best of the picked	#181,622
SWE-Bench ProResolvedtodaytoday	Oct 21todaytoday			#688.2%best of the picked	#984.3%
Agents and tools1
MCP AtlasPass ratetodaytoday	Oct 21todaytoday		#188.1%best of the picked	#882.3%	#584.2%
Vision2
Document ArenaArena ratingtodaytoday	Oct 21todaytoday		#151,465
Vision ArenaArena ratingtodaytoday	Oct 21todaytoday		#231,280
Speed1
AA SpeedOutput speedtodaytoday	Oct 21todaytoday	#22183 tok/sbest of the picked		#7841 tok/s	#5586 tok/s
Price1
AA PriceBlended pricetodaytoday	Oct 21todaytoday			#27$6.00	#18$2.15best of the picked
Usage1
OpenRouterWeekly tokenstodaytoday	Oct 21todaytoday			#181.8T tok	#85.3T tokbest of the picked

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.