SpaceXAI vs Microsoft vs DeepSeek vs Anthropic

Head to head on 21 boards: Anthropic places best on 15, SpaceXAI places best on 2, Microsoft places best on 2 and DeepSeek places best on 2. All 4 ranked on 2 of 28 boards.

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SpaceXAIMicrosoftDeepSeekAnthropic

Board	Read	SpaceXAI	Microsoft	DeepSeek	Anthropic
Chat2
Text ArenaArena ratingtodaytoday	Nov 9todaytoday	#341,475Grok 4.20 1		#321,475DeepSeek V4.1 Flash	#41,505best of the pickedClaude Opus 5.5
MultiChallengeScoretodaytoday	Nov 9todaytoday			#574.9%best of the pickedDeepSeek V4P1 Flash	#1067.7%Claude Haiku 5.5
Reasoning7
MMLU-ProAccuracy · staletodaytoday	Nov 9todaytoday	#1887.0%Grok 4	#7576.0%Phi 4 Plus	#3385.0%DeepSeek-V3.2	#489.1%best of the pickedClaude Opus 4.6
LiveBenchGlobal averagetodaytoday	Nov 9todaytoday	#1778.0%Grok 4.6		#881.1%DeepSeek V4.1 Flash	#183.4%best of the pickedClaude Fable 5.1
AA IntelligenceIndextodaytoday	Nov 9todaytoday	#1335.5Grok 4.7		#1632.6DeepSeek V4.1 Flash	#259.1best of the pickedClaude Opus 5.5
GPQA DiamondAccuracytodaytoday	Nov 9todaytoday	#1394.0%Grok 4.6		#2193.2%DeepSeek V4.1 Flash	#395.6%best of the pickedClaude Sonnet 5.5
Epoch ECIECItodaytoday	Nov 9todaytoday	#24157.9Grok 4.6		#19159.3DeepSeek V4.1 Flash	#3168.4best of the pickedClaude Opus 5.5
ARC-AGI-2Scoretodaytoday	Nov 9todaytoday	#2767.1%Grok 4.6		#1978.1%DeepSeek V4.1 Flash	#393.3%best of the pickedClaude Opus 5.5
HLEAccuracytodaytoday	Nov 9todaytoday				#246.5%Claude Fable 5.1
Coding4
WebDev ArenaArena ratingtodaytoday	Nov 9todaytoday	#191,638Grok 4.7		#141,665DeepSeek V4.1 Flash	#11,814best of the pickedClaude Opus 5.5
Aider PolyglotPass rate · staletodaytoday	Nov 9todaytoday	#579.6%best of the pickedGrok 4		#874.2%DeepSeek-V3.2	#1072.0%Claude Opus 4
SWE-bench VerifiedResolved · staletodaytoday	Nov 9todaytoday			#1170.0%DeepSeek-V3.2	#176.8%best of the pickedClaude Opus 4.5
SWE-Bench ProResolvedtodaytoday	Nov 9todaytoday				#198.0%Claude Opus 5
Agents and tools3
BFCLOverall accuracy · staletodaytoday	Nov 9todaytoday	#569.6%Grok 4 1 Fast	#5028.8%Phi 4	#1256.7%DeepSeek-V3.2	#177.5%best of the pickedClaude Opus 4.5
Search ArenaArena ratingtodaytoday	Nov 9todaytoday	#151,206Grok 4.20 Multi Agent			#51,229best of the pickedClaude Fable 5
MCP AtlasPass ratetodaytoday	Nov 9todaytoday				#387.2%Claude Fable 5.1
Vision2
Vision ArenaArena ratingtodaytoday	Nov 9todaytoday	#211,281Grok 4.5		#341,263DeepSeek V4.1 Flash	#11,309best of the pickedClaude Fable 5
Document ArenaArena ratingtodaytoday	Nov 9todaytoday	#201,466Grok 4.5			#11,499best of the pickedClaude Fable 5
Image2
Image EditArena ratingtodaytoday	Nov 9todaytoday	#71,438Grok Imagine Image 2.0	#41,467best of the pickedMAI Image 2.7
Text-to-ImageArena ratingtodaytoday	Nov 9todaytoday	#81,318Grok Imagine Image 2.0	#61,330best of the pickedMAI Image 2.6
Video2
Text-to-VideoArena ratingtodaytoday	Nov 9todaytoday	#51,486Grok Imagine Video 1.5
Image-to-VideoArena ratingtodaytoday	Nov 9todaytoday	#101,454Grok Imagine Video 1.5
Speech2
Speech ArenaArena ratingtodaytoday	Nov 9todaytoday	#281,159best of the pickedSpacexai TTS	#311,145Azure Hd 2.5
Open ASRAverage WERtodaytoday	Nov 9todaytoday		#35.55 WERazure-speech-09-2026 (microsoft)
Embeddings1
MTEBMean task scoretodaytoday	Nov 9todaytoday		#174.3%harrier-oss-v1-27b (microsoft)
Speed1
AA SpeedOutput speedtodaytoday	Nov 9todaytoday	#1224 tok/sGrok 4.7		#1323 tok/sDeepSeek V4 Pro 0813	#931 tok/sbest of the pickedClaude Sonnet 5.5
Price1
AA PriceBlended pricetodaytoday	Nov 9todaytoday	#8$3.00Grok 4.7		#3$0.53DeepSeek V4.1 Flash	#1$0.20best of the pickedClaude Haiku 5.5
Usage1
OpenRouterWeekly tokenstodaytoday	Nov 9todaytoday			#156.0T tokbest of the pickedDeepSeek V4.1 Flash	#66.8T tokClaude Opus 5.5

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.