Claude Opus 4 vs Qwen3.8 Max (0902) vs Gemini 4 Argon vs GPT-6 Astra

Head to head on 14 boards: GPT-6 Astra places best on 7, Gemini 4 Argon places best on 4, Qwen3.8 Max (0902) places best on 3 and Claude Opus 4 places best on 0. All 4 ranked on 1 of 19 boards.

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Claude Opus 4Qwen3.8 Max (0902)Gemini 4 ArgonGPT-6 Astra

Board	Read	Claude Opus 4	Qwen3.8 Max (0902)	Gemini 4 Argon	GPT-6 Astra
Chat2
Text ArenaArena ratingtodaytoday	Nov 9todaytoday		#201,483	#21,523best of the picked	#311,475
MultiChallengeScoretodaytoday	Nov 9todaytoday	#1958.6%		#278.7%best of the picked
Reasoning7
Epoch ECIECItodaytoday	Nov 9todaytoday	#98142.8	#27157.4	#6166.4	#1169.1best of the picked
GPQA DiamondAccuracytodaytoday	Nov 9todaytoday		#2692.7%	#196.4%best of the picked	#295.8%
ARC-AGI-2Scoretodaytoday	Nov 9todaytoday	#598.6%		#591.3%	#195.0%best of the picked
AA IntelligenceIndextodaytoday	Nov 9todaytoday		#1533.7	#750.4	#356.9best of the picked
HLEAccuracytodaytoday	Nov 9todaytoday	#2610.7%			#154.8%best of the picked
LiveBenchGlobal averagetodaytoday	Nov 9todaytoday		#1678.5%		#482.2%best of the picked
MMLU-ProAccuracy · staletodaytoday	Nov 9todaytoday	#1287.3%
Coding4
WebDev ArenaArena ratingtodaytoday	Nov 9todaytoday		#121,677	#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	#1072.0%
SWE-bench VerifiedResolved · staletodaytoday	Nov 9todaytoday	#1267.6%
Agents and tools2
Search ArenaArena ratingtodaytoday	Nov 9todaytoday	#351,152	#61,228		#31,245best of the picked
MCP AtlasPass ratetodaytoday	Nov 9todaytoday			#190.7%
Vision2
Vision ArenaArena ratingtodaytoday	Nov 9todaytoday	#741,208	#21,300best of the picked		#171,285
Document ArenaArena ratingtodaytoday	Nov 9todaytoday				#111,477
Speed1
AA SpeedOutput speedtodaytoday	Nov 9todaytoday		#260 tok/sbest of the picked	#1028 tok/s	#1621 tok/s
Price1
AA PriceBlended pricetodaytoday	Nov 9todaytoday		#8$3.00best of the picked	#13$8.00	#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.