GPT-6 Luna vs Claude Fable 5.1

• GPT-6 Luna
• Claude Fable 5.1

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Head to head on 9 boards: Claude Fable 5.1 places best on 9 and GPT-6 Luna places best on 0. Both ranked on 9 of 16 boards.

Board	Read	GPT-6 Luna	Claude Fable 5.1
Chat1
Text ArenaArena ratingtodaytoday	Nov 9todaytoday	#821,440	#61,504best of the picked
Reasoning6
LiveBenchGlobal averagetodaytoday	Nov 9todaytoday	#4872.0%	#183.4%best of the picked
Epoch ECIECItodaytoday	Nov 9todaytoday	#32156.7	#5166.9best of the picked
ARC-AGI-2Scoretodaytoday	Nov 9todaytoday	#3859.3%	#790.0%best of the picked
AA IntelligenceIndextodaytoday	Nov 9todaytoday	#2427.9	#950.0best of the picked
HLEAccuracytodaytoday	Nov 9todaytoday		#246.5%
GPQA DiamondAccuracytodaytoday	Nov 9todaytoday	#4290.5%
Coding2
WebDev ArenaArena ratingtodaytoday	Nov 9todaytoday	#371,578	#51,746best of the picked
SWE-Bench ProResolvedtodaytoday	Nov 9todaytoday		#292.2%
Agents and tools2
Search ArenaArena ratingtodaytoday	Nov 9todaytoday	#131,210	#71,227best of the picked
MCP AtlasPass ratetodaytoday	Nov 9todaytoday		#387.2%
Vision2
Vision ArenaArena ratingtodaytoday	Nov 9todaytoday	#571,235	#131,288best of the picked
Document ArenaArena ratingtodaytoday	Nov 9todaytoday		#21,499
Speed1
AA SpeedOutput speedtodaytoday	Nov 9todaytoday	#2813 tok/s	#1422 tok/sbest of the picked
Price1
AA PriceBlended pricetodaytoday	Nov 9todaytoday		#17$20.0
Usage1
OpenRouterWeekly tokenstodaytoday	Nov 9todaytoday	#47.2T 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.