Stealth vs Meta vs DeepSeek vs OpenAI

Head to head on 24 boards: OpenAI places best on 16, Meta places best on 7, DeepSeek places best on 1 and Stealth places best on 0. All 4 ranked on 2 of 26 boards.

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SStealthMetaDeepSeekOpenAI

Board	Read	SStealth	Meta	DeepSeek	OpenAI
Chat2
MultiChallengeScoretodaytoday	Sep 27todaytoday		#175.5%best of the pickedMuse Spark	#2446.1%DeepSeek V3P1	#469.2%GPT-5.4 Pro
Text ArenaArena ratingtodaytoday	Sep 27todaytoday		#61,496best of the pickedMuse Spark 1.2	#251,477DeepSeek V4.1 Flash	#161,483GPT-5.6 Sol
Reasoning7
LiveBenchGlobal averagetodaytoday	Sep 27todaytoday	#2976.1%Union Alpha	#581.6%Muse Spark 1.3	#681.1%DeepSeek V4.1 Flash	#482.2%best of the pickedGPT-6 Astra
GPQA DiamondAccuracytodaytoday	Sep 27todaytoday		#3589.8%Muse Spark	#2091.7%DeepSeek V4 Pro 0813	#195.8%best of the pickedGPT-6 Astra
Epoch ECIECItodaytoday	Sep 27todaytoday		#15156.9Muse Spark 1.3	#24155.4DeepSeek V4 Pro 0813	#1166.6best of the pickedGPT-6 Astra
ARC-AGI-2Scoretodaytoday	Sep 27todaytoday		#710.0%Llama 4 Maverick Instruct	#2361.4%DeepSeek V4 Flash Vision	#195.0%best of the pickedGPT-6 Astra
AA IntelligenceIndextodaytoday	Sep 27todaytoday		#448.1Muse Spark 1.3	#1839.5DeepSeek V4.1 Flash	#352.7best of the pickedGPT-6 Astra
MMLU-ProAccuracy · staletodaytoday	Sep 27todaytoday		#4782.8%Llama4 Behemoth	#3385.0%DeepSeek-V3.2	#389.3%best of the pickedo1
HLEAccuracytodaytoday	Sep 27todaytoday		#640.6%Muse Spark		#154.8%best of the pickedGPT-6 Astra
Coding4
Aider PolyglotPass rate · staletodaytoday	Sep 27todaytoday		#4315.6%Llama 4 Maverick Instruct	#874.2%DeepSeek-V3.2	#188.0%best of the pickedGPT-5
WebDev ArenaArena ratingtodaytoday	Sep 27todaytoday		#81,656Muse Spark 1.3	#131,621DeepSeek V4.1 Flash	#21,792best of the pickedGPT-6 Astra
SWE-bench VerifiedResolved · staletodaytoday	Sep 27todaytoday		#3621.0%Llama 4 Maverick Instruct	#1170.0%DeepSeek-V3.2	#672.8%best of the pickedGPT-5.2
SWE-Bench ProResolvedtodaytoday	Sep 27todaytoday				#390.2%GPT-6 Astra
Agents and tools3
BFCLOverall accuracytodaytoday	Sep 27todaytoday		#3637.3%Llama 4 Maverick 17b 128e	#1256.7%DeepSeek-V3.2	#763.0%best of the pickedo3
MCP AtlasPass ratetodaytoday	Sep 27todaytoday		#188.1%best of the pickedMuse Spark 1.1		#1181.8%GPT-5.6
Search ArenaArena ratingtodaytoday	Sep 27todaytoday				#11,257GPT-5.6 Sol
Vision2
Vision ArenaArena ratingtodaytoday	Sep 27todaytoday		#51,294best of the pickedMuse Spark 1.3		#111,287GPT-5.5
Document ArenaArena ratingtodaytoday	Sep 27todaytoday		#121,471Muse Spark 1.3		#61,486best of the pickedGPT-5.5
Image2
Text-to-ImageArena ratingtodaytoday	Sep 27todaytoday		#71,276Muse Image		#11,424best of the pickedGPT Image 2.5 Sunburst
Image EditArena ratingtodaytoday	Sep 27todaytoday		#61,402Muse Image		#11,526best of the pickedGPT Image 2.5 Sunburst
Video1
Text-to-VideoArena ratingtodaytoday	Sep 27todaytoday		#91,456best of the pickedMuse Video		#111,368Sora 2 Pro
Speech2
Open ASRAverage WERtodaytoday	Sep 27todaytoday		#284.84 WERbest of the pickedmuse-voice-transcribe (meta)		#535.78 WERwhisper-large-v3 (openai)
Speech ArenaArena ratingtodaytoday	Sep 27todaytoday		#89847Metavoice V1		#321,104best of the pickedTTS 1 Hd
Speed1
AA SpeedOutput speedtodaytoday	Sep 27todaytoday		#2232 tok/sbest of the pickedMuse Spark 1.3	#3232 tok/sDeepSeek V4.1 Flash	#5154 tok/sGPT-6 Luna
Price1
AA PriceBlended pricetodaytoday	Sep 27todaytoday		#11$2.00Muse Spark 1.3	#4$0.53DeepSeek V4.1 Flash	#1$0.20best of the pickedGPT-6 Luna
Usage1
OpenRouterWeekly tokenstodaytoday	Sep 27todaytoday	#49.9T tokSpace Bunny Alpha	#151.8T tokMuse Spark 1.3 Contributor	#118.6T tokbest of the pickedDeepSeek V4.1 Flash	#58.6T tokGPT-5.6 Luna

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.