GPT-5 Pro vs Claude Fable 5.1

• GPT-5 Pro
• Claude Fable 5.1

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Head to head on 3 boards: Claude Fable 5.1 places best on 3 and GPT-5 Pro places best on 0. Both ranked on 3 of 14 boards.

Board	Read	GPT-5 Pro	Claude Fable 5.1
Chat1
Text ArenaArena ratingtodaytoday	Nov 9todaytoday		#61,504
Reasoning5
HLEAccuracytodaytoday	Nov 9todaytoday	#1231.6%	#246.5%best of the picked
Epoch ECIECItodaytoday	Nov 9todaytoday	#58151.2	#5166.9best of the picked
ARC-AGI-2Scoretodaytoday	Nov 9todaytoday	#5218.3%	#790.0%best of the picked
LiveBenchGlobal averagetodaytoday	Nov 9todaytoday		#183.4%
AA IntelligenceIndextodaytoday	Nov 9todaytoday		#950.0
Coding2
SWE-Bench ProResolvedtodaytoday	Nov 9todaytoday		#292.2%
WebDev ArenaArena ratingtodaytoday	Nov 9todaytoday		#51,746
Agents and tools2
MCP AtlasPass ratetodaytoday	Nov 9todaytoday		#387.2%
Search ArenaArena ratingtodaytoday	Nov 9todaytoday		#71,227
Vision2
Document ArenaArena ratingtodaytoday	Nov 9todaytoday		#21,499
Vision ArenaArena ratingtodaytoday	Nov 9todaytoday		#131,288
Speed1
AA SpeedOutput speedtodaytoday	Nov 9todaytoday		#1422 tok/s
Price1
AA PriceBlended pricetodaytoday	Nov 9todaytoday		#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.