Claude Opus 4.5 vs GPT-6 Astra vs Gemini 4 Argon

• Claude Opus 4.5
• GPT-6 Astra
• Gemini 4 Argon

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Head to head on 15 boards: GPT-6 Astra places best on 8, Gemini 4 Argon places best on 7 and Claude Opus 4.5 places best on 0. All 3 ranked on 5 of 19 boards.

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Claude Opus 4.5GPT-6 AstraGemini 4 Argon

Board	Read	Claude Opus 4.5	GPT-6 Astra	Gemini 4 Argon
Chat2
Text ArenaArena ratingtodaytoday	Nov 9todaytoday	#361,474	#311,475	#21,523best of the picked
MultiChallengeScoretodaytoday	Nov 9todaytoday	#1859.0%		#278.7%best of the picked
Reasoning7
GPQA DiamondAccuracytodaytoday	Nov 9todaytoday	#7286.0%	#295.8%	#196.4%best of the picked
Epoch ECIECItodaytoday	Nov 9todaytoday	#55151.8	#1169.1best of the picked	#6166.4
ARC-AGI-2Scoretodaytoday	Nov 9todaytoday	#4537.6%	#195.0%best of the picked	#591.3%
HLEAccuracytodaytoday	Nov 9todaytoday	#1625.2%	#154.8%best of the picked
AA IntelligenceIndextodaytoday	Nov 9todaytoday		#356.9best of the picked	#750.4
LiveBenchGlobal averagetodaytoday	Nov 9todaytoday	#4672.6%	#482.2%best of the picked
MMLU-ProAccuracy · staletodaytoday	Nov 9todaytoday	#1287.3%
Coding3
WebDev ArenaArena ratingtodaytoday	Nov 9todaytoday	#591,494	#31,770best of the picked	#101,683
SWE-Bench ProResolvedtodaytoday	Nov 9todaytoday		#490.2%	#392.2%best of the picked
SWE-bench VerifiedResolved · staletodaytoday	Nov 9todaytoday	#176.8%
Agents and tools3
MCP AtlasPass ratetodaytoday	Nov 9todaytoday	#2569.8%		#190.7%best of the picked
Search ArenaArena ratingtodaytoday	Nov 9todaytoday	#291,186	#31,245best of the picked
BFCLOverall accuracy · staletodaytoday	Nov 9todaytoday	#177.5%
Vision2
Document ArenaArena ratingtodaytoday	Nov 9todaytoday	#181,468	#111,477best of the picked
Vision ArenaArena ratingtodaytoday	Nov 9todaytoday		#171,285
Speed1
AA SpeedOutput speedtodaytoday	Nov 9todaytoday		#1621 tok/s	#1028 tok/sbest of the picked
Price1
AA PriceBlended pricetodaytoday	Nov 9todaytoday		#17$20.0	#13$8.00best 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.