K2 Think V2 vs Muse Spark vs Qwen3.8 Max (0902) vs Claude Fable 5.1

Head to head on 12 boards: Claude Fable 5.1 places best on 9, Qwen3.8 Max (0902) places best on 3, K2 Think V2 places best on 0 and Muse Spark places best on 0. All 4 ranked on 0 of 15 boards.

Two at a time on this screen. Tap one to swap it in.

IOK2 Think V2Muse SparkQwen3.8 Max (0902)Claude Fable 5.1

Board	Read	IOK2 Think V2	Muse Spark	Qwen3.8 Max (0902)	Claude Fable 5.1
Chat2
Text ArenaArena rating1dyesterday	Oct 61dyesterday		#121,489	#201,482	#61,501best of the picked
MultiChallengeScore1dyesterday	Oct 61dyesterday		#175.5%
Reasoning6
AA IntelligenceIndex1dyesterday	Oct 61dyesterday	#9011.5		#1045.4	#353.4best of the picked
Epoch ECIECI1dyesterday	Oct 61dyesterday		#44152.0	#22156.4	#5164.7best of the picked
LiveBenchGlobal average1dyesterday	Oct 61dyesterday			#1578.5%	#183.4%best of the picked
HLEAccuracy1dyesterday	Oct 61dyesterday		#640.6%		#246.5%best of the picked
GPQA DiamondAccuracy1dyesterday	Oct 61dyesterday		#4189.8%	#2192.7%best of the picked
ARC-AGI-2Score1dyesterday	Oct 61dyesterday				#690.0%
Coding2
WebDev ArenaArena rating1dyesterday	Oct 61dyesterday			#91,671	#51,749best of the picked
SWE-Bench ProResolved1dyesterday	Oct 61dyesterday				#292.2%
Agents and tools1
MCP AtlasPass rate1dyesterday	Oct 61dyesterday		#982.2%		#287.2%best of the picked
Vision2
Vision ArenaArena rating1dyesterday	Oct 61dyesterday		#61,294	#21,301best of the picked	#131,288
Document ArenaArena rating1dyesterday	Oct 61dyesterday		#241,444		#21,513best of the picked
Speed1
AA SpeedOutput speed1dyesterday	Oct 61dyesterday			#2439 tok/s	#1568 tok/sbest of the picked
Price1
AA PriceBlended price1dyesterday	Oct 61dyesterday			#14$3.00best of the picked	#24$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.