Muse Spark Open vs Kimi K3 vs Gemini 4 Argon vs GLM-5.3

Head to head on 11 boards: Gemini 4 Argon places best on 6, GLM-5.3 places best on 3, Muse Spark Open places best on 1 and Kimi K3 places best on 1. All 4 ranked on 3 of 12 boards.

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Muse Spark OpenKimi K3Gemini 4 ArgonGLM-5.3

Board	Read	Muse Spark Open	Kimi K3	Gemini 4 Argon	GLM-5.3
Chat1
Text ArenaArena ratingtodaytoday	Oct 21todaytoday		#131,488	#11,525best of the picked	#241,478
Reasoning5
Epoch ECIECItodaytoday	Oct 21todaytoday	#36155.1	#19157.9	#5166.4best of the picked	#31156.0
GPQA DiamondAccuracytodaytoday	Oct 21todaytoday		#1993.1%	#196.4%best of the picked	#3090.9%
ARC-AGI-2Scoretodaytoday	Oct 21todaytoday		#3360.4%	#591.3%best of the picked
LiveBenchGlobal averagetodaytoday	Oct 21todaytoday		#1479.2%best of the picked		#3176.1%
AA IntelligenceIndextodaytoday	Oct 21todaytoday			#453.0
Coding2
SWE-Bench ProResolvedtodaytoday	Oct 21todaytoday	#1182.3%	#688.2%	#392.2%best of the picked	#984.3%
WebDev ArenaArena ratingtodaytoday	Oct 21todaytoday		#111,655	#81,678best of the picked	#181,622
Agents and tools1
MCP AtlasPass ratetodaytoday	Oct 21todaytoday		#882.3%		#584.2%best of the picked
Speed1
AA SpeedOutput speedtodaytoday	Oct 21todaytoday		#7841 tok/s	#5883 tok/s	#5586 tok/sbest of the picked
Price1
AA PriceBlended pricetodaytoday	Oct 21todaytoday	#15$2.00best of the picked	#27$6.00	#22$4.00	#18$2.15
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.