Claude Sonnet 4 vs GPT-6 Astra vs Muse Spark 1.1

One row per board where at least one is ranked, from each board's current capture.

Claude Sonnet 4
GPT-6 Astra
Muse Spark 1.1

Add:

Gemini 4 Argon

Qwen3.8 Max (0902)Inkling Small 2

DeepSeek V4P1 Flash

Head to head on 10 boards: GPT-6 Astra places best on 7, Muse Spark 1.1 places best on 3 and Claude Sonnet 4 places best on 0. All 3 ranked on 1 of 19 boards.

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Board	Read	Claude Sonnet 4	GPT-6 Astra	Muse Spark 1.1
Chat2
MultiChallengeScoreyesterday	Nov 9yesterday	#2157.1%		#475.3%best of the picked
Text ArenaArena ratingyesterday	Nov 9yesterday		#311,475	#131,490best of the picked
Reasoning7
HLEAccuracyyesterday	Nov 9yesterday	#337.8%	#154.8%best of the picked
Epoch ECIECIyesterday	Nov 9yesterday		#1169.1best of the picked	#42154.9
ARC-AGI-2Scoreyesterday	Nov 9yesterday	#625.9%	#195.0%best of the picked
GPQA DiamondAccuracyyesterday	Nov 9yesterday	#9479.2%	#295.8%best of the picked
LiveBenchGlobal averageyesterday	Nov 9yesterday		#482.2%best of the picked	#3575.3%
AA IntelligenceIndexyesterday	Nov 9yesterday		#356.9
MMLU-ProAccuracy · staleyesterday	Nov 9yesterday	#4183.7%
Coding4
WebDev ArenaArena ratingyesterday	Nov 9yesterday		#31,770best of the picked	#441,542
SWE-Bench ProResolvedyesterday	Nov 9yesterday		#490.2%
Aider PolyglotPass rate · staleyesterday	Nov 9yesterday	#1661.3%
SWE-bench VerifiedResolved · staleyesterday	Nov 9yesterday	#1764.9%
Agents and tools2
MCP AtlasPass rateyesterday	Nov 9yesterday			#288.1%
Search ArenaArena ratingyesterday	Nov 9yesterday		#31,245
Vision2
Vision ArenaArena ratingyesterday	Nov 9yesterday	#761,206	#171,285best of the picked	#241,279
Document ArenaArena ratingyesterday	Nov 9yesterday		#111,477	#91,479best of the picked
Speed1
AA SpeedOutput speedyesterday	Nov 9yesterday		#1621 tok/s
Price1
AA PriceBlended priceyesterday	Nov 9yesterday		#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.

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