Codex Mini vs Claude Fable 5.1 vs Qwen3.8 Max (0902) vs DeepSeek V4P1 Flash

Head to head on 10 boards: Claude Fable 5.1 places best on 6, Qwen3.8 Max (0902) places best on 4, Codex Mini places best on 0 and DeepSeek V4P1 Flash places best on 0. All 4 ranked on 0 of 16 boards.

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Codex MiniClaude Fable 5.1Qwen3.8 Max (0902)DeepSeek V4P1 Flash

Board	Read	Codex Mini	Claude Fable 5.1	Qwen3.8 Max (0902)	DeepSeek V4P1 Flash
Chat2
Text ArenaArena ratingtodaytoday	Nov 9todaytoday		#61,504best of the picked	#201,483
MultiChallengeScoretodaytoday	Nov 9todaytoday				#574.9%
Reasoning6
LiveBenchGlobal averagetodaytoday	Nov 9todaytoday		#183.4%best of the picked	#1678.5%
Epoch ECIECItodaytoday	Nov 9todaytoday		#5166.9best of the picked	#27157.4
ARC-AGI-2Scoretodaytoday	Nov 9todaytoday	#761.3%	#790.0%best of the picked
AA IntelligenceIndextodaytoday	Nov 9todaytoday		#950.0best of the picked	#1533.7
HLEAccuracytodaytoday	Nov 9todaytoday		#246.5%
GPQA DiamondAccuracytodaytoday	Nov 9todaytoday			#2692.7%
Coding2
WebDev ArenaArena ratingtodaytoday	Nov 9todaytoday		#51,746best of the picked	#121,677
SWE-Bench ProResolvedtodaytoday	Nov 9todaytoday		#292.2%
Agents and tools2
Search ArenaArena ratingtodaytoday	Nov 9todaytoday		#71,227	#61,228best of the picked
MCP AtlasPass ratetodaytoday	Nov 9todaytoday		#387.2%
Vision2
Vision ArenaArena ratingtodaytoday	Nov 9todaytoday		#131,288	#21,300best of the picked
Document ArenaArena ratingtodaytoday	Nov 9todaytoday		#21,499
Speed1
AA SpeedOutput speedtodaytoday	Nov 9todaytoday		#1422 tok/s	#260 tok/sbest of the picked
Price1
AA PriceBlended pricetodaytoday	Nov 9todaytoday		#17$20.0	#8$3.00best 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.