o3 vs Claude Fable 5.1 vs Muse Spark 1.1 vs Gemini 4 Argon

Head to head on 16 boards: Claude Fable 5.1 places best on 8, Gemini 4 Argon places best on 8, o3 places best on 0 and Muse Spark 1.1 places best on 0. All 4 ranked on 1 of 20 boards.

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o3Claude Fable 5.1Muse Spark 1.1Gemini 4 Argon

Board	Read	o3	Claude Fable 5.1	Muse Spark 1.1	Gemini 4 Argon
Chat2
Text ArenaArena ratingtodaytoday	Nov 9todaytoday		#61,504	#131,490	#21,523best of the picked
MultiChallengeScoretodaytoday	Nov 9todaytoday	#2256.6%		#475.3%	#278.7%best of the picked
Reasoning7
Epoch ECIECItodaytoday	Nov 9todaytoday	#77147.0	#5166.9best of the picked	#42154.9	#6166.4
ARC-AGI-2Scoretodaytoday	Nov 9todaytoday	#606.5%	#790.0%		#591.3%best of the picked
GPQA DiamondAccuracytodaytoday	Nov 9todaytoday	#8981.8%			#196.4%best of the picked
LiveBenchGlobal averagetodaytoday	Nov 9todaytoday		#183.4%best of the picked	#3575.3%
HLEAccuracytodaytoday	Nov 9todaytoday	#2020.3%	#246.5%best of the picked
AA IntelligenceIndextodaytoday	Nov 9todaytoday		#950.0		#750.4best of the picked
MMLU-ProAccuracy · staletodaytoday	Nov 9todaytoday	#3385.0%
Coding4
WebDev ArenaArena ratingtodaytoday	Nov 9todaytoday		#51,746best of the picked	#441,542	#101,683
SWE-Bench ProResolvedtodaytoday	Nov 9todaytoday		#292.2%best of the picked		#392.2%
Aider PolyglotPass rate · staletodaytoday	Nov 9todaytoday	#481.3%
SWE-bench VerifiedResolved · staletodaytoday	Nov 9todaytoday	#2158.4%
Agents and tools3
MCP AtlasPass ratetodaytoday	Nov 9todaytoday		#387.2%	#288.1%	#190.7%best of the picked
Search ArenaArena ratingtodaytoday	Nov 9todaytoday	#201,197	#71,227best of the picked
BFCLOverall accuracy · staletodaytoday	Nov 9todaytoday	#763.0%
Vision2
Vision ArenaArena ratingtodaytoday	Nov 9todaytoday	#701,216	#131,288best of the picked	#241,279
Document ArenaArena ratingtodaytoday	Nov 9todaytoday		#21,499best of the picked	#91,479
Speed1
AA SpeedOutput speedtodaytoday	Nov 9todaytoday		#1422 tok/s		#1028 tok/sbest of the picked
Price1
AA PriceBlended pricetodaytoday	Nov 9todaytoday		#17$20.0		#13$8.00best 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.