GPT-5.5 vs Gemini 4 Argon

• GPT-5.5
• Gemini 4 Argon

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Head to head on 6 boards: Gemini 4 Argon places best on 6 and GPT-5.5 places best on 0. Both ranked on 6 of 15 boards.

Board	Read	GPT-5.5	Gemini 4 Argon
Chat2
Text ArenaArena ratingtodaytoday	Nov 9todaytoday	#251,481	#21,523best of the picked
MultiChallengeScoretodaytoday	Nov 9todaytoday		#278.7%
Reasoning5
GPQA DiamondAccuracytodaytoday	Nov 9todaytoday	#3890.7%	#196.4%best of the picked
ARC-AGI-2Scoretodaytoday	Nov 9todaytoday	#1185.0%	#591.3%best of the picked
Epoch ECIECItodaytoday	Nov 9todaytoday	#17160.0	#6166.4best of the picked
AA IntelligenceIndextodaytoday	Nov 9todaytoday		#750.4
LiveBenchGlobal averagetodaytoday	Nov 9todaytoday	#1080.2%
Coding2
WebDev ArenaArena ratingtodaytoday	Nov 9todaytoday	#541,513	#101,683best of the picked
SWE-Bench ProResolvedtodaytoday	Nov 9todaytoday		#392.2%
Agents and tools2
MCP AtlasPass ratetodaytoday	Nov 9todaytoday	#2275.3%	#190.7%best of the picked
Search ArenaArena ratingtodaytoday	Nov 9todaytoday	#81,227
Vision2
Document ArenaArena ratingtodaytoday	Nov 9todaytoday	#81,482
Vision ArenaArena ratingtodaytoday	Nov 9todaytoday	#181,285
Speed1
AA SpeedOutput speedtodaytoday	Nov 9todaytoday		#1028 tok/s
Price1
AA PriceBlended pricetodaytoday	Nov 9todaytoday		#13$8.00

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.