GPT-5 vs Gemini 4 Argon vs Qwen3.8 Max (0902) vs Claude Fable 5.1

Head to head on 15 boards: Gemini 4 Argon places best on 6, Claude Fable 5.1 places best on 5, Qwen3.8 Max (0902) places best on 4 and GPT-5 places best on 0. All 4 ranked on 2 of 19 boards.

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GPT-5Gemini 4 ArgonQwen3.8 Max (0902)Claude Fable 5.1

Board	Read	GPT-5	Gemini 4 Argon	Qwen3.8 Max (0902)	Claude Fable 5.1
Chat2
Text ArenaArena ratingtodaytoday	Nov 9todaytoday		#21,523best of the picked	#201,483	#61,504
MultiChallengeScoretodaytoday	Nov 9todaytoday	#1363.2%	#278.7%best of the picked
Reasoning7
Epoch ECIECItodaytoday	Nov 9todaytoday	#63150.0	#6166.4	#27157.4	#5166.9best of the picked
GPQA DiamondAccuracytodaytoday	Nov 9todaytoday	#7186.2%	#196.4%best of the picked	#2692.7%
ARC-AGI-2Scoretodaytoday	Nov 9todaytoday	#589.9%	#591.3%best of the picked		#790.0%
AA IntelligenceIndextodaytoday	Nov 9todaytoday		#750.4best of the picked	#1533.7	#950.0
LiveBenchGlobal averagetodaytoday	Nov 9todaytoday			#1678.5%	#183.4%best of the picked
HLEAccuracytodaytoday	Nov 9todaytoday	#1525.3%			#246.5%best of the picked
MMLU-ProAccuracy · staletodaytoday	Nov 9todaytoday	#1687.1%
Coding4
WebDev ArenaArena ratingtodaytoday	Nov 9todaytoday	#771,417	#101,683	#121,677	#51,746best of the picked
SWE-Bench ProResolvedtodaytoday	Nov 9todaytoday		#392.2%		#292.2%best of the picked
Aider PolyglotPass rate · staletodaytoday	Nov 9todaytoday	#188.0%
SWE-bench VerifiedResolved · staletodaytoday	Nov 9todaytoday	#1665.0%
Agents and tools2
Search ArenaArena ratingtodaytoday	Nov 9todaytoday	#271,189		#61,228best of the picked	#71,227
MCP AtlasPass ratetodaytoday	Nov 9todaytoday		#190.7%best of the picked		#387.2%
Vision2
Vision ArenaArena ratingtodaytoday	Nov 9todaytoday	#641,226		#21,300best of the picked	#131,288
Document ArenaArena ratingtodaytoday	Nov 9todaytoday				#21,499
Speed1
AA SpeedOutput speedtodaytoday	Nov 9todaytoday		#1028 tok/s	#260 tok/sbest of the picked	#1422 tok/s
Price1
AA PriceBlended pricetodaytoday	Nov 9todaytoday		#13$8.00	#8$3.00best 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.