Moonshot AI vs OpenAI vs DeepSeek vs Microsoft

Head to head on 24 boards: OpenAI places best on 17, Moonshot AI places best on 3, DeepSeek places best on 2 and Microsoft places best on 2. All 4 ranked on 2 of 27 boards.

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Moonshot AIOpenAIDeepSeekMicrosoft

Board	Read	Moonshot AI	OpenAI	DeepSeek	Microsoft
Chat2
MultiChallengeScore1dyesterday	Nov 91dyesterday	#1561.4%Kimi K2.5	#182.0%best of the pickedGPT-6.1 Sol	#574.9%DeepSeek V4P1 Flash
Text ArenaArena rating1dyesterday	Nov 91dyesterday	#161,488best of the pickedKimi K3	#191,485GPT-5.6 Sol	#321,475DeepSeek V4.1 Flash
Reasoning7
MMLU-ProAccuracy · stale1dyesterday	Nov 91dyesterday	#5681.0%Kimi K2 Thinking	#389.3%best of the pickedo1	#3385.0%DeepSeek-V3.2	#7576.0%Phi 4 Plus
Epoch ECIECI1dyesterday	Nov 91dyesterday	#21158.5Kimi K3	#1169.1best of the pickedGPT-6 Astra	#19159.3DeepSeek V4.1 Flash
ARC-AGI-2Score1dyesterday	Nov 91dyesterday	#3560.4%Kimi K3	#195.0%best of the pickedGPT-6 Astra	#1978.1%DeepSeek V4.1 Flash
GPQA DiamondAccuracy1dyesterday	Nov 91dyesterday	#1194.2%Kimi K3.1 Pro Together	#295.8%best of the pickedGPT-6 Astra	#2193.2%DeepSeek V4.1 Flash
AA IntelligenceIndex1dyesterday	Nov 91dyesterday	#1046.5Kimi K3.1 Pro	#356.9best of the pickedGPT-6 Astra	#1632.6DeepSeek V4.1 Flash
LiveBenchGlobal average1dyesterday	Nov 91dyesterday	#1479.2%Kimi K3	#482.2%best of the pickedGPT-6 Astra	#881.1%DeepSeek V4.1 Flash
HLEAccuracy1dyesterday	Nov 91dyesterday	#1724.4%Kimi K2.5	#154.8%best of the pickedGPT-6 Astra
Coding4
Aider PolyglotPass rate · stale1dyesterday	Nov 91dyesterday	#1959.1%Kimi K2 Thinking	#188.0%best of the pickedGPT-5	#874.2%DeepSeek-V3.2
WebDev ArenaArena rating1dyesterday	Nov 91dyesterday	#91,684Kimi K3.1 Pro	#31,770best of the pickedGPT-6 Astra	#141,665DeepSeek V4.1 Flash
SWE-bench VerifiedResolved · stale1dyesterday	Nov 91dyesterday	#1070.8%Kimi K2.5	#672.8%best of the pickedGPT-5.2	#1170.0%DeepSeek-V3.2
SWE-Bench ProResolved1dyesterday	Nov 91dyesterday	#688.2%Kimi K3	#490.2%best of the pickedGPT-6 Astra
Agents and tools3
BFCLOverall accuracy · stale1dyesterday	Nov 91dyesterday	#959.1%Moonshotai Kimi K2	#763.0%best of the pickedo3	#1256.7%DeepSeek-V3.2	#5028.8%Phi 4
MCP AtlasPass rate1dyesterday	Nov 91dyesterday	#1182.3%best of the pickedKimi K3	#1481.8%GPT-5.6
Search ArenaArena rating1dyesterday	Nov 91dyesterday		#11,255GPT-5.6 Sol
Vision2
Vision ArenaArena rating1dyesterday	Nov 91dyesterday	#331,264Kimi K2.6	#81,293best of the pickedGPT-6.1 Sol	#341,263DeepSeek V4.1 Flash
Document ArenaArena rating1dyesterday	Nov 91dyesterday	#291,451Kimi K2.6	#51,486best of the pickedGPT-5.6 Sol
Image2
Text-to-ImageArena rating1dyesterday	Nov 91dyesterday		#11,429best of the pickedGPT Image 2.5 Sunburst		#61,330MAI Image 2.6
Image EditArena rating1dyesterday	Nov 91dyesterday		#11,517best of the pickedGPT Image 2.5 Sunburst		#41,467MAI Image 2.7
Video1
Text-to-VideoArena rating1dyesterday	Nov 91dyesterday		#131,367Sora 2 Pro
Speech2
Open ASRAverage WER1dyesterday	Nov 91dyesterday		#186.80 WERgpt-transcribe (openai)		#35.55 WERbest of the pickedazure-speech-09-2026 (microsoft)
Speech ArenaArena rating1dyesterday	Nov 91dyesterday		#421,107TTS 1 Hd		#311,145best of the pickedAzure Hd 2.5
Embeddings1
MTEBMean task score1dyesterday	Nov 91dyesterday				#174.3%harrier-oss-v1-27b (microsoft)
Speed1
AA SpeedOutput speed1dyesterday	Nov 91dyesterday	#636 tok/sbest of the pickedKimi K3.1 Pro	#1522 tok/sGPT-6.1 Sol	#1323 tok/sDeepSeek V4 Pro 0813
Price1
AA PriceBlended price1dyesterday	Nov 91dyesterday	#10$4.00Kimi K3.1 Pro	#6$2.00GPT-6.1 Terra	#3$0.53best of the pickedDeepSeek V4.1 Flash
Usage1
OpenRouterWeekly tokens1dyesterday	Nov 91dyesterday	#84.4T tokKimi K3.1 Pro	#47.2T tokGPT-6 Luna	#156.0T 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.