K2 Horizon 7B vs Claude Fable 5.1 vs Qwen3.8 Max (0902) vs Kimi K3

Head to head on 12 boards: Claude Fable 5.1 places best on 9, Qwen3.8 Max (0902) places best on 2, Kimi K3 places best on 1 and K2 Horizon 7B places best on 0. All 4 ranked on 1 of 15 boards.

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IOK2 Horizon 7BClaude Fable 5.1Qwen3.8 Max (0902)Kimi K3

Board	Read	IOK2 Horizon 7B	Claude Fable 5.1	Qwen3.8 Max (0902)	Kimi K3
Chat1
Text ArenaArena rating1dyesterday	Oct 61dyesterday		#61,501best of the picked	#201,482	#131,488
Reasoning6
AA IntelligenceIndex1dyesterday	Oct 61dyesterday	#5220.6	#353.4best of the picked	#1045.4	#1343.6
LiveBenchGlobal average1dyesterday	Oct 61dyesterday		#183.4%best of the picked	#1578.5%	#1379.2%
Epoch ECIECI1dyesterday	Oct 61dyesterday		#5164.7best of the picked	#22156.4	#15157.4
ARC-AGI-2Score1dyesterday	Oct 61dyesterday		#690.0%best of the picked		#2960.4%
GPQA DiamondAccuracy1dyesterday	Oct 61dyesterday			#2192.7%	#1893.1%best of the picked
HLEAccuracy1dyesterday	Oct 61dyesterday		#246.5%
Coding2
WebDev ArenaArena rating1dyesterday	Oct 61dyesterday		#51,749best of the picked	#91,671	#101,658
SWE-Bench ProResolved1dyesterday	Oct 61dyesterday		#292.2%best of the picked		#488.2%
Agents and tools1
MCP AtlasPass rate1dyesterday	Oct 61dyesterday		#287.2%best of the picked		#882.3%
Vision2
Vision ArenaArena rating1dyesterday	Oct 61dyesterday		#131,288	#21,301best of the picked
Document ArenaArena rating1dyesterday	Oct 61dyesterday		#21,513
Speed1
AA SpeedOutput speed1dyesterday	Oct 61dyesterday		#1568 tok/sbest of the picked	#2439 tok/s	#2536 tok/s
Price1
AA PriceBlended price1dyesterday	Oct 61dyesterday		#24$20.0	#14$3.00best of the picked	#22$6.00
Usage1
OpenRouterWeekly tokens1dyesterday	Oct 61dyesterday				#151.7T tok

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.