o3 vs Muse Spark 1.1 vs Qwen3.8 Max (0902) vs Claude Fable 5.1

Head to head on 15 boards: Claude Fable 5.1 places best on 8, Qwen3.8 Max (0902) places best on 5, Muse Spark 1.1 places best on 2 and o3 places best on 0. All 4 ranked on 2 of 20 boards.

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o3Muse Spark 1.1Qwen3.8 Max (0902)Claude Fable 5.1

Board	Read	o3	Muse Spark 1.1	Qwen3.8 Max (0902)	Claude Fable 5.1
Chat2
Text ArenaArena ratingtodaytoday	Nov 9todaytoday		#131,490	#201,483	#61,504best of the picked
MultiChallengeScoretodaytoday	Nov 9todaytoday	#2256.6%	#475.3%best of the picked
Reasoning7
Epoch ECIECItodaytoday	Nov 9todaytoday	#77147.0	#42154.9	#27157.4	#5166.9best of the picked
LiveBenchGlobal averagetodaytoday	Nov 9todaytoday		#3575.3%	#1678.5%	#183.4%best of the picked
HLEAccuracytodaytoday	Nov 9todaytoday	#2020.3%			#246.5%best of the picked
ARC-AGI-2Scoretodaytoday	Nov 9todaytoday	#606.5%			#790.0%best of the picked
AA IntelligenceIndextodaytoday	Nov 9todaytoday			#1533.7	#950.0best of the picked
GPQA DiamondAccuracytodaytoday	Nov 9todaytoday	#8981.8%		#2692.7%best of the picked
MMLU-ProAccuracy · staletodaytoday	Nov 9todaytoday	#3385.0%
Coding4
WebDev ArenaArena ratingtodaytoday	Nov 9todaytoday		#441,542	#121,677	#51,746best of the picked
SWE-Bench ProResolvedtodaytoday	Nov 9todaytoday				#292.2%
Aider PolyglotPass rate · staletodaytoday	Nov 9todaytoday	#481.3%
SWE-bench VerifiedResolved · staletodaytoday	Nov 9todaytoday	#2158.4%
Agents and tools3
Search ArenaArena ratingtodaytoday	Nov 9todaytoday	#201,197		#61,228best of the picked	#71,227
MCP AtlasPass ratetodaytoday	Nov 9todaytoday		#288.1%best of the picked		#387.2%
BFCLOverall accuracy · staletodaytoday	Nov 9todaytoday	#763.0%
Vision2
Vision ArenaArena ratingtodaytoday	Nov 9todaytoday	#701,216	#241,279	#21,300best of the picked	#131,288
Document ArenaArena ratingtodaytoday	Nov 9todaytoday		#91,479		#21,499best of the picked
Speed1
AA SpeedOutput speedtodaytoday	Nov 9todaytoday			#260 tok/sbest of the picked	#1422 tok/s
Price1
AA PriceBlended pricetodaytoday	Nov 9todaytoday			#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.