Gemini 2.5 Pro (Jun 2025) vs GPT-6 Astra vs Muse Spark 1.1

• Gemini 2.5 Pro (Jun 2025)
• GPT-6 Astra
• Muse Spark 1.1

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Head to head on 11 boards: GPT-6 Astra places best on 8, Muse Spark 1.1 places best on 3 and Gemini 2.5 Pro (Jun 2025) places best on 0. All 3 ranked on 4 of 20 boards.

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Gemini 2.5 Pro (Jun 2025)GPT-6 AstraMuse Spark 1.1

Board	Read	Gemini 2.5 Pro (Jun 2025)	GPT-6 Astra	Muse Spark 1.1
Chat2
Text ArenaArena rating1dyesterday	Nov 91dyesterday	#731,445	#311,475	#131,490best of the picked
MultiChallengeScore1dyesterday	Nov 91dyesterday	#2653.6%		#475.3%best of the picked
Reasoning7
Epoch ECIECI1dyesterday	Nov 91dyesterday	#88144.8	#1169.1best of the picked	#42154.9
HLEAccuracy1dyesterday	Nov 91dyesterday	#1921.6%	#154.8%best of the picked
ARC-AGI-2Score1dyesterday	Nov 91dyesterday	#644.9%	#195.0%best of the picked
GPQA DiamondAccuracy1dyesterday	Nov 91dyesterday	#7685.3%	#295.8%best of the picked
LiveBenchGlobal average1dyesterday	Nov 91dyesterday		#482.2%best of the picked	#3575.3%
AA IntelligenceIndex1dyesterday	Nov 91dyesterday		#356.9
MMLU-ProAccuracy · stale1dyesterday	Nov 91dyesterday	#2986.0%
Coding4
WebDev ArenaArena rating1dyesterday	Nov 91dyesterday		#31,770best of the picked	#441,542
Aider PolyglotPass rate · stale1dyesterday	Nov 91dyesterday	#383.1%
SWE-Bench ProResolved1dyesterday	Nov 91dyesterday		#490.2%
SWE-bench VerifiedResolved · stale1dyesterday	Nov 91dyesterday	#2753.6%
Agents and tools2
Search ArenaArena rating1dyesterday	Nov 91dyesterday	#361,144	#31,245best of the picked
MCP AtlasPass rate1dyesterday	Nov 91dyesterday			#288.1%
Vision2
Document ArenaArena rating1dyesterday	Nov 91dyesterday	#361,432	#111,477	#91,479best of the picked
Vision ArenaArena rating1dyesterday	Nov 91dyesterday	#501,248	#171,285best of the picked	#241,279
Speech1
Speech ArenaArena rating1dyesterday	Nov 91dyesterday	#741,040
Speed1
AA SpeedOutput speed1dyesterday	Nov 91dyesterday		#1621 tok/s
Price1
AA PriceBlended price1dyesterday	Nov 91dyesterday		#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.