Claude Sonnet 4.5 vs Qwen3.8 Max (0902) vs GPT-6 Astra

• Claude Sonnet 4.5
• Qwen3.8 Max (0902)
• GPT-6 Astra

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Head to head on 13 boards: GPT-6 Astra places best on 9, Qwen3.8 Max (0902) places best on 4 and Claude Sonnet 4.5 places best on 0. All 3 ranked on 4 of 19 boards.

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Claude Sonnet 4.5Qwen3.8 Max (0902)GPT-6 Astra

Board	Read	Claude Sonnet 4.5	Qwen3.8 Max (0902)	GPT-6 Astra
Chat2
Text ArenaArena ratingtodaytoday	Nov 9todaytoday	#561,456	#201,483best of the picked	#311,475
MultiChallengeScoretodaytoday	Nov 9todaytoday	#2555.3%
Reasoning7
Epoch ECIECItodaytoday	Nov 9todaytoday	#73147.6	#27157.4	#1169.1best of the picked
GPQA DiamondAccuracytodaytoday	Nov 9todaytoday	#8682.3%	#2692.7%	#295.8%best of the picked
HLEAccuracytodaytoday	Nov 9todaytoday	#2313.7%		#154.8%best of the picked
ARC-AGI-2Scoretodaytoday	Nov 9todaytoday	#5513.6%		#195.0%best of the picked
AA IntelligenceIndextodaytoday	Nov 9todaytoday		#1533.7	#356.9best of the picked
LiveBenchGlobal averagetodaytoday	Nov 9todaytoday		#1678.5%	#482.2%best of the picked
MMLU-ProAccuracy · staletodaytoday	Nov 9todaytoday	#1087.4%
Coding3
WebDev ArenaArena ratingtodaytoday	Nov 9todaytoday		#121,677	#31,770best of the picked
SWE-Bench ProResolvedtodaytoday	Nov 9todaytoday			#490.2%
SWE-bench VerifiedResolved · staletodaytoday	Nov 9todaytoday	#971.4%
Agents and tools3
Search ArenaArena ratingtodaytoday	Nov 9todaytoday	#311,175	#61,228	#31,245best of the picked
BFCLOverall accuracy · staletodaytoday	Nov 9todaytoday	#273.2%
MCP AtlasPass ratetodaytoday	Nov 9todaytoday	#3159.5%
Vision2
Vision ArenaArena ratingtodaytoday	Nov 9todaytoday		#21,300best of the picked	#171,285
Document ArenaArena ratingtodaytoday	Nov 9todaytoday	#301,448		#111,477best of the picked
Speed1
AA SpeedOutput speedtodaytoday	Nov 9todaytoday		#260 tok/sbest of the picked	#1621 tok/s
Price1
AA PriceBlended pricetodaytoday	Nov 9todaytoday		#8$3.00best of the picked	#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.