GPT-5 vs Gemini 4 Argon vs Claude Fable 5.1 vs Inkling Small 2

Head to head on 14 boards: Gemini 4 Argon places best on 8, Claude Fable 5.1 places best on 6, GPT-5 places best on 0 and Inkling Small 2 places best on 0. All 4 ranked on 0 of 19 boards.

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GPT-5Gemini 4 ArgonClaude Fable 5.1?Inkling Small 2

Board	Read	GPT-5	Gemini 4 Argon	Claude Fable 5.1	?Inkling Small 2
Chat2
Text ArenaArena ratingtodaytoday	Nov 9todaytoday		#21,523best of the picked	#61,504
MultiChallengeScoretodaytoday	Nov 9todaytoday	#1363.2%	#278.7%best of the picked
Reasoning7
Epoch ECIECItodaytoday	Nov 9todaytoday	#63150.0	#6166.4	#5166.9best of the picked
ARC-AGI-2Scoretodaytoday	Nov 9todaytoday	#589.9%	#591.3%best of the picked	#790.0%
GPQA DiamondAccuracytodaytoday	Nov 9todaytoday	#7186.2%	#196.4%best of the picked
HLEAccuracytodaytoday	Nov 9todaytoday	#1525.3%		#246.5%best of the picked
AA IntelligenceIndextodaytoday	Nov 9todaytoday		#750.4best of the picked	#950.0
LiveBenchGlobal averagetodaytoday	Nov 9todaytoday			#183.4%
MMLU-ProAccuracy · staletodaytoday	Nov 9todaytoday	#1687.1%
Coding4
SWE-Bench ProResolvedtodaytoday	Nov 9todaytoday		#392.2%	#292.2%best of the picked	#986.3%
WebDev ArenaArena ratingtodaytoday	Nov 9todaytoday	#771,417	#101,683	#51,746best of the picked
Aider PolyglotPass rate · staletodaytoday	Nov 9todaytoday	#188.0%
SWE-bench VerifiedResolved · staletodaytoday	Nov 9todaytoday	#1665.0%
Agents and tools2
MCP AtlasPass ratetodaytoday	Nov 9todaytoday		#190.7%best of the picked	#387.2%	#585.4%
Search ArenaArena ratingtodaytoday	Nov 9todaytoday	#271,189		#71,227best of the picked
Vision2
Vision ArenaArena ratingtodaytoday	Nov 9todaytoday	#641,226		#131,288best of the picked
Document ArenaArena ratingtodaytoday	Nov 9todaytoday			#21,499
Speed1
AA SpeedOutput speedtodaytoday	Nov 9todaytoday		#1028 tok/sbest of the picked	#1422 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.