Gemini 3 Pro vs GPT-6 Astra vs Claude Fable 5.1

• Gemini 3 Pro
• GPT-6 Astra
• Claude Fable 5.1

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Head to head on 15 boards: GPT-6 Astra places best on 8, Claude Fable 5.1 places best on 7 and Gemini 3 Pro places best on 1 (a tie counts for each). All 3 ranked on 8 of 19 boards.

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Gemini 3 ProGPT-6 AstraClaude Fable 5.1

Board	Read	Gemini 3 Pro	GPT-6 Astra	Claude Fable 5.1
Chat2
Text ArenaArena ratingtodaytoday	Nov 9todaytoday	#181,486	#311,475	#61,504best of the picked
MultiChallengeScoretodaytoday	Nov 9todaytoday	#1165.7%
Reasoning7
HLEAccuracytodaytoday	Nov 9todaytoday	#837.5%	#154.8%best of the picked	#246.5%
Epoch ECIECItodaytoday	Nov 9todaytoday	#50152.9	#1169.1best of the picked	#5166.9
ARC-AGI-2Scoretodaytoday	Nov 9todaytoday	#4831.1%	#195.0%best of the picked	#790.0%
LiveBenchGlobal averagetodaytoday	Nov 9todaytoday		#482.2%	#183.4%best of the picked
GPQA DiamondAccuracytodaytoday	Nov 9todaytoday	#2792.6%	#295.8%best of the picked
AA IntelligenceIndextodaytoday	Nov 9todaytoday		#356.9best of the picked	#950.0
MMLU-ProAccuracy · staletodaytoday	Nov 9todaytoday	#290.1%
Coding3
WebDev ArenaArena ratingtodaytoday	Nov 9todaytoday	#681,440	#31,770best of the picked	#51,746
SWE-Bench ProResolvedtodaytoday	Nov 9todaytoday		#490.2%	#292.2%best of the picked
SWE-bench VerifiedResolved · staletodaytoday	Nov 9todaytoday	#574.2%
Agents and tools3
Search ArenaArena ratingtodaytoday	Nov 9todaytoday	#181,200	#31,245best of the picked	#71,227
MCP AtlasPass ratetodaytoday	Nov 9todaytoday	#2470.3%		#387.2%best of the picked
BFCLOverall accuracy · staletodaytoday	Nov 9todaytoday	#372.5%
Vision2
Document ArenaArena ratingtodaytoday	Nov 9todaytoday	#281,451	#111,477	#21,499best of the picked
Vision ArenaArena ratingtodaytoday	Nov 9todaytoday	#121,289best of the picked	#171,285	#131,288
Speed1
AA SpeedOutput speedtodaytoday	Nov 9todaytoday		#1621 tok/s	#1422 tok/sbest of the picked
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.