Grok 4 vs Muse Spark 1.1 vs Gemini 4 Argon vs GPT-6 Astra

Head to head on 15 boards: Gemini 4 Argon places best on 7, GPT-6 Astra places best on 7, Muse Spark 1.1 places best on 1 and Grok 4 places best on 0. All 4 ranked on 1 of 19 boards.

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Grok 4Muse Spark 1.1Gemini 4 ArgonGPT-6 Astra

Board	Read	Grok 4	Muse Spark 1.1	Gemini 4 Argon	GPT-6 Astra
Chat2
Text ArenaArena ratingtodaytoday	Nov 9todaytoday		#131,490	#21,523best of the picked	#311,475
MultiChallengeScoretodaytoday	Nov 9todaytoday		#475.3%	#278.7%best of the picked
Reasoning7
Epoch ECIECItodaytoday	Nov 9todaytoday	#78146.9	#42154.9	#6166.4	#1169.1best of the picked
GPQA DiamondAccuracytodaytoday	Nov 9todaytoday	#6887.0%		#196.4%best of the picked	#295.8%
ARC-AGI-2Scoretodaytoday	Nov 9todaytoday	#5416.0%		#591.3%	#195.0%best of the picked
AA IntelligenceIndextodaytoday	Nov 9todaytoday			#750.4	#356.9best of the picked
LiveBenchGlobal averagetodaytoday	Nov 9todaytoday		#3575.3%		#482.2%best of the picked
HLEAccuracytodaytoday	Nov 9todaytoday				#154.8%
MMLU-ProAccuracy · staletodaytoday	Nov 9todaytoday	#1887.0%
Coding3
WebDev ArenaArena ratingtodaytoday	Nov 9todaytoday		#441,542	#101,683	#31,770best of the picked
SWE-Bench ProResolvedtodaytoday	Nov 9todaytoday			#392.2%best of the picked	#490.2%
Aider PolyglotPass rate · staletodaytoday	Nov 9todaytoday	#579.6%
Agents and tools3
MCP AtlasPass ratetodaytoday	Nov 9todaytoday		#288.1%	#190.7%best of the picked
Search ArenaArena ratingtodaytoday	Nov 9todaytoday	#381,123			#31,245best of the picked
BFCLOverall accuracy · staletodaytoday	Nov 9todaytoday	#863.0%
Vision2
Document ArenaArena ratingtodaytoday	Nov 9todaytoday		#91,479best of the picked		#111,477
Vision ArenaArena ratingtodaytoday	Nov 9todaytoday		#241,279		#171,285best of the picked
Speed1
AA SpeedOutput speedtodaytoday	Nov 9todaytoday			#1028 tok/sbest of the picked	#1621 tok/s
Price1
AA PriceBlended pricetodaytoday	Nov 9todaytoday			#13$8.00best of the picked	#17$20.0

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.