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

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

Board	Read	GPT-5	Claude Fable 5.1	Gemini 4 Argon	Qwen3.8 Max (0902)
Chat2
Text ArenaArena ratingtodaytoday	Nov 9todaytoday		#61,504	#21,523best of the picked	#201,483
MultiChallengeScoretodaytoday	Nov 9todaytoday	#1363.2%		#278.7%best of the picked
Reasoning7
Epoch ECIECItodaytoday	Nov 9todaytoday	#63150.0	#5166.9best of the picked	#6166.4	#27157.4
GPQA DiamondAccuracytodaytoday	Nov 9todaytoday	#7186.2%		#196.4%best of the picked	#2692.7%
ARC-AGI-2Scoretodaytoday	Nov 9todaytoday	#589.9%	#790.0%	#591.3%best of the picked
AA IntelligenceIndextodaytoday	Nov 9todaytoday		#950.0	#750.4best of the picked	#1533.7
LiveBenchGlobal averagetodaytoday	Nov 9todaytoday		#183.4%best of the picked		#1678.5%
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	#51,746best of the picked	#101,683	#121,677
SWE-Bench ProResolvedtodaytoday	Nov 9todaytoday		#292.2%best of the picked	#392.2%
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	#71,227		#61,228best of the picked
MCP AtlasPass ratetodaytoday	Nov 9todaytoday		#387.2%	#190.7%best of the picked
Vision2
Vision ArenaArena ratingtodaytoday	Nov 9todaytoday	#641,226	#131,288		#21,300best of the picked
Document ArenaArena ratingtodaytoday	Nov 9todaytoday		#21,499
Speed1
AA SpeedOutput speedtodaytoday	Nov 9todaytoday		#1422 tok/s	#1028 tok/s	#260 tok/sbest of the picked
Price1
AA PriceBlended pricetodaytoday	Nov 9todaytoday		#17$20.0	#13$8.00	#8$3.00best 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.