Grok 4 vs Claude Fable 5.1 vs GPT-6 Astra vs Inkling Small 2

Head to head on 15 boards: Claude Fable 5.1 places best on 8, GPT-6 Astra places best on 8, Grok 4 places best on 0 and Inkling Small 2 places best on 0 (a tie counts for each). All 4 ranked on 0 of 18 boards.

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Grok 4Claude Fable 5.1GPT-6 Astra?Inkling Small 2

Board	Read	Grok 4	Claude Fable 5.1	GPT-6 Astra	?Inkling Small 2
Chat1
Text ArenaArena ratingtodaytoday	Nov 9todaytoday		#61,504best of the picked	#311,475
Reasoning7
Epoch ECIECItodaytoday	Nov 9todaytoday	#78146.9	#5166.9	#1169.1best of the picked
ARC-AGI-2Scoretodaytoday	Nov 9todaytoday	#5416.0%	#790.0%	#195.0%best of the picked
HLEAccuracytodaytoday	Nov 9todaytoday		#246.5%	#154.8%best of the picked
LiveBenchGlobal averagetodaytoday	Nov 9todaytoday		#183.4%best of the picked	#482.2%
GPQA DiamondAccuracytodaytoday	Nov 9todaytoday	#6887.0%		#295.8%best of the picked
AA IntelligenceIndextodaytoday	Nov 9todaytoday		#950.0	#356.9best of the picked
MMLU-ProAccuracy · staletodaytoday	Nov 9todaytoday	#1887.0%
Coding3
SWE-Bench ProResolvedtodaytoday	Nov 9todaytoday		#292.2%best of the picked	#490.2%	#986.3%
WebDev ArenaArena ratingtodaytoday	Nov 9todaytoday		#51,746	#31,770best of the picked
Aider PolyglotPass rate · staletodaytoday	Nov 9todaytoday	#579.6%
Agents and tools3
Search ArenaArena ratingtodaytoday	Nov 9todaytoday	#381,123	#71,227	#31,245best of the picked
MCP AtlasPass ratetodaytoday	Nov 9todaytoday		#387.2%best of the picked		#585.4%
BFCLOverall accuracy · staletodaytoday	Nov 9todaytoday	#863.0%
Vision2
Document ArenaArena ratingtodaytoday	Nov 9todaytoday		#21,499best of the picked	#111,477
Vision ArenaArena ratingtodaytoday	Nov 9todaytoday		#131,288best of the picked	#171,285
Speed1
AA SpeedOutput speedtodaytoday	Nov 9todaytoday		#1422 tok/sbest of the picked	#1621 tok/s
Price1
AA PriceBlended pricetodaytoday	Nov 9todaytoday		#17$20.0best of the picked	#17$20.0best of the picked

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.