Stealth vs Anthropic vs OpenAI vs DeepSeek

Head to head on 21 boards: Anthropic places best on 10, OpenAI places best on 9, DeepSeek places best on 2 and Stealth places best on 0. All 4 ranked on 2 of 26 boards.

Two at a time on this screen. Tap one to swap it in.

SStealthAnthropicOpenAIDeepSeek

Board	Read	SStealth	Anthropic	OpenAI	DeepSeek
Chat2
Text ArenaArena ratingtodaytoday	Sep 27todaytoday		#11,509best of the pickedClaude Opus 5.5	#161,483GPT-5.6 Sol	#251,477DeepSeek V4.1 Flash
MultiChallengeScoretodaytoday	Sep 27todaytoday		#1259.0%Claude Opus 4.5	#469.2%best of the pickedGPT-5.4 Pro	#2446.1%DeepSeek V3P1
Reasoning7
LiveBenchGlobal averagetodaytoday	Sep 27todaytoday	#2976.1%Union Alpha	#183.4%best of the pickedClaude Fable 5.1	#482.2%GPT-6 Astra	#681.1%DeepSeek V4.1 Flash
AA IntelligenceIndextodaytoday	Sep 27todaytoday		#157.6best of the pickedClaude Opus 5.5	#352.7GPT-6 Astra	#1839.5DeepSeek V4.1 Flash
GPQA DiamondAccuracytodaytoday	Sep 27todaytoday		#1093.9%Claude Opus 5	#195.8%best of the pickedGPT-6 Astra	#2091.7%DeepSeek V4 Pro 0813
Epoch ECIECItodaytoday	Sep 27todaytoday		#2165.0Claude Fable 5.1	#1166.6best of the pickedGPT-6 Astra	#24155.4DeepSeek V4 Pro 0813
ARC-AGI-2Scoretodaytoday	Sep 27todaytoday		#293.3%Claude Opus 5.5	#195.0%best of the pickedGPT-6 Astra	#2361.4%DeepSeek V4 Flash Vision
MMLU-ProAccuracy · staletodaytoday	Sep 27todaytoday		#489.1%Claude Opus 4.6	#389.3%best of the pickedo1	#3385.0%DeepSeek-V3.2
HLEAccuracytodaytoday	Sep 27todaytoday		#246.5%Claude Fable 5.1	#154.8%best of the pickedGPT-6 Astra
Coding4
WebDev ArenaArena ratingtodaytoday	Sep 27todaytoday		#11,827best of the pickedClaude Opus 5.5	#21,792GPT-6 Astra	#131,621DeepSeek V4.1 Flash
SWE-bench VerifiedResolved · staletodaytoday	Sep 27todaytoday		#176.8%best of the pickedClaude Opus 4.5	#672.8%GPT-5.2	#1170.0%DeepSeek-V3.2
Aider PolyglotPass rate · staletodaytoday	Sep 27todaytoday		#1072.0%Claude Opus 4	#188.0%best of the pickedGPT-5	#874.2%DeepSeek-V3.2
SWE-Bench ProResolvedtodaytoday	Sep 27todaytoday		#198.0%best of the pickedClaude Opus 5	#390.2%GPT-6 Astra
Agents and tools3
BFCLOverall accuracytodaytoday	Sep 27todaytoday		#177.5%best of the pickedClaude Opus 4.5	#763.0%o3	#1256.7%DeepSeek-V3.2
Search ArenaArena ratingtodaytoday	Sep 27todaytoday		#21,253Claude Opus 4.6	#11,257best of the pickedGPT-5.6 Sol
MCP AtlasPass ratetodaytoday	Sep 27todaytoday		#287.2%best of the pickedClaude Fable 5.1	#1181.8%GPT-5.6
Vision2
Vision ArenaArena ratingtodaytoday	Sep 27todaytoday		#11,310best of the pickedClaude Fable 5	#111,287GPT-5.5
Document ArenaArena ratingtodaytoday	Sep 27todaytoday		#11,516best of the pickedClaude Opus 5	#61,486GPT-5.5
Image2
Text-to-ImageArena ratingtodaytoday	Sep 27todaytoday			#11,424GPT Image 2.5 Sunburst
Image EditArena ratingtodaytoday	Sep 27todaytoday			#11,526GPT Image 2.5 Sunburst
Video1
Text-to-VideoArena ratingtodaytoday	Sep 27todaytoday			#111,368Sora 2 Pro
Speech2
Speech ArenaArena ratingtodaytoday	Sep 27todaytoday			#321,104TTS 1 Hd
Open ASRAverage WERtodaytoday	Sep 27todaytoday			#535.78 WERwhisper-large-v3 (openai)
Speed1
AA SpeedOutput speedtodaytoday	Sep 27todaytoday		#988 tok/sClaude Opus 5.5	#5154 tok/sGPT-6 Luna	#3232 tok/sbest of the pickedDeepSeek V4.1 Flash
Price1
AA PriceBlended pricetodaytoday	Sep 27todaytoday		#17$4.00Claude Sonnet 5	#1$0.20best of the pickedGPT-6 Luna	#4$0.53DeepSeek V4.1 Flash
Usage1
OpenRouterWeekly tokenstodaytoday	Sep 27todaytoday	#49.9T tokSpace Bunny Alpha	#191.5T tokClaude Sonnet 5	#58.6T tokGPT-5.6 Luna	#118.6T tokbest of the pickedDeepSeek V4.1 Flash

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.