Stealth vs Meta vs DeepSeek vs Microsoft

Head to head on 19 boards: DeepSeek places best on 8, Meta places best on 7, Microsoft places best on 4 and Stealth places best on 0. All 4 ranked on 0 of 25 boards.

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SStealthMetaDeepSeekMicrosoft

Board	Read	SStealth	Meta	DeepSeek	Microsoft
Chat2
MultiChallengeScoretodaytoday	Sep 27todaytoday		#175.5%best of the pickedMuse Spark	#2446.1%DeepSeek V3P1
Text ArenaArena ratingtodaytoday	Sep 27todaytoday		#61,496best of the pickedMuse Spark 1.2	#251,477DeepSeek V4.1 Flash
Reasoning7
LiveBenchGlobal averagetodaytoday	Sep 27todaytoday	#2976.1%Union Alpha	#581.6%best of the pickedMuse Spark 1.3	#681.1%DeepSeek V4.1 Flash
MMLU-ProAccuracy · staletodaytoday	Sep 27todaytoday		#4782.8%Llama4 Behemoth	#3385.0%best of the pickedDeepSeek-V3.2	#7576.0%Phi 4 Plus
AA IntelligenceIndextodaytoday	Sep 27todaytoday		#448.1best of the pickedMuse Spark 1.3	#1839.5DeepSeek V4.1 Flash
Epoch ECIECItodaytoday	Sep 27todaytoday		#15156.9best of the pickedMuse Spark 1.3	#24155.4DeepSeek V4 Pro 0813
GPQA DiamondAccuracytodaytoday	Sep 27todaytoday		#3589.8%Muse Spark	#2091.7%best of the pickedDeepSeek V4 Pro 0813
ARC-AGI-2Scoretodaytoday	Sep 27todaytoday		#710.0%Llama 4 Maverick Instruct	#2361.4%best of the pickedDeepSeek V4 Flash Vision
HLEAccuracytodaytoday	Sep 27todaytoday		#640.6%Muse Spark
Coding3
WebDev ArenaArena ratingtodaytoday	Sep 27todaytoday		#81,656best of the pickedMuse Spark 1.3	#131,621DeepSeek V4.1 Flash
Aider PolyglotPass rate · staletodaytoday	Sep 27todaytoday		#4315.6%Llama 4 Maverick Instruct	#874.2%best of the pickedDeepSeek-V3.2
SWE-bench VerifiedResolved · staletodaytoday	Sep 27todaytoday		#3621.0%Llama 4 Maverick Instruct	#1170.0%best of the pickedDeepSeek-V3.2
Agents and tools2
BFCLOverall accuracytodaytoday	Sep 27todaytoday		#3637.3%Llama 4 Maverick 17b 128e	#1256.7%best of the pickedDeepSeek-V3.2	#5028.8%Phi 4
MCP AtlasPass ratetodaytoday	Sep 27todaytoday		#188.1%Muse Spark 1.1
Vision2
Vision ArenaArena ratingtodaytoday	Sep 27todaytoday		#51,294Muse Spark 1.3
Document ArenaArena ratingtodaytoday	Sep 27todaytoday		#121,471Muse Spark 1.3
Image2
Text-to-ImageArena ratingtodaytoday	Sep 27todaytoday		#71,276Muse Image		#41,335best of the pickedMAI Image 2.6
Image EditArena ratingtodaytoday	Sep 27todaytoday		#61,402Muse Image		#51,429best of the pickedMAI Image 2.6
Video1
Text-to-VideoArena ratingtodaytoday	Sep 27todaytoday		#91,456Muse Video
Speech2
Open ASRAverage WERtodaytoday	Sep 27todaytoday		#284.84 WERmuse-voice-transcribe (meta)		#23.81 WERbest of the pickedazure-speech-07-2026 (microsoft)
Speech ArenaArena ratingtodaytoday	Sep 27todaytoday		#89847Metavoice V1		#261,126best of the pickedAzure Hd 2.5
Embeddings1
MTEBMean task scoretodaytoday	Sep 27todaytoday				#174.3%harrier-oss-v1-27b (microsoft)
Speed1
AA SpeedOutput speedtodaytoday	Sep 27todaytoday		#2232 tok/sbest of the pickedMuse Spark 1.3	#3232 tok/sDeepSeek V4.1 Flash
Price1
AA PriceBlended pricetodaytoday	Sep 27todaytoday		#11$2.00Muse Spark 1.3	#4$0.53best of the pickedDeepSeek V4.1 Flash
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

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.