Zyphra vs OpenAI vs DeepSeek vs Microsoft

Head to head on 19 boards: OpenAI places best on 15, DeepSeek places best on 2, Microsoft places best on 2 and Zyphra places best on 0. All 4 ranked on 0 of 27 boards.

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ZZyphraOpenAIDeepSeekMicrosoft

Board	Read	ZZyphra	OpenAI	DeepSeek	Microsoft
Chat2
MultiChallengeScoretodaytoday	Sep 27todaytoday		#469.2%best of the pickedGPT-5.4 Pro	#2446.1%DeepSeek V3P1
Text ArenaArena ratingtodaytoday	Sep 27todaytoday		#161,483best of the pickedGPT-5.6 Sol	#251,477DeepSeek V4.1 Flash
Reasoning7
MMLU-ProAccuracy · staletodaytoday	Sep 27todaytoday		#389.3%best of the pickedo1	#3385.0%DeepSeek-V3.2	#7576.0%Phi 4 Plus
GPQA DiamondAccuracytodaytoday	Sep 27todaytoday		#195.8%best of the pickedGPT-6 Astra	#2091.7%DeepSeek V4 Pro 0813
Epoch ECIECItodaytoday	Sep 27todaytoday		#1166.6best of the pickedGPT-6 Astra	#24155.4DeepSeek V4 Pro 0813
ARC-AGI-2Scoretodaytoday	Sep 27todaytoday		#195.0%best of the pickedGPT-6 Astra	#2361.4%DeepSeek V4 Flash Vision
AA IntelligenceIndextodaytoday	Sep 27todaytoday		#352.7best of the pickedGPT-6 Astra	#1839.5DeepSeek V4.1 Flash
LiveBenchGlobal averagetodaytoday	Sep 27todaytoday		#482.2%best of the pickedGPT-6 Astra	#681.1%DeepSeek V4.1 Flash
HLEAccuracytodaytoday	Sep 27todaytoday		#154.8%GPT-6 Astra
Coding4
Aider PolyglotPass rate · staletodaytoday	Sep 27todaytoday		#188.0%best of the pickedGPT-5	#874.2%DeepSeek-V3.2
WebDev ArenaArena ratingtodaytoday	Sep 27todaytoday		#21,792best of the pickedGPT-6 Astra	#131,621DeepSeek V4.1 Flash
SWE-bench VerifiedResolved · staletodaytoday	Sep 27todaytoday		#672.8%best of the pickedGPT-5.2	#1170.0%DeepSeek-V3.2
SWE-Bench ProResolvedtodaytoday	Sep 27todaytoday		#390.2%GPT-6 Astra
Agents and tools3
BFCLOverall accuracytodaytoday	Sep 27todaytoday		#763.0%best of the pickedo3	#1256.7%DeepSeek-V3.2	#5028.8%Phi 4
Search ArenaArena ratingtodaytoday	Sep 27todaytoday		#11,257GPT-5.6 Sol
MCP AtlasPass ratetodaytoday	Sep 27todaytoday		#1181.8%GPT-5.6
Vision2
Document ArenaArena ratingtodaytoday	Sep 27todaytoday		#61,486GPT-5.5
Vision ArenaArena ratingtodaytoday	Sep 27todaytoday		#111,287GPT-5.5
Image2
Text-to-ImageArena ratingtodaytoday	Sep 27todaytoday		#11,424best of the pickedGPT Image 2.5 Sunburst		#41,335MAI Image 2.6
Image EditArena ratingtodaytoday	Sep 27todaytoday		#11,526best of the pickedGPT Image 2.5 Sunburst		#51,429MAI Image 2.6
Video1
Text-to-VideoArena ratingtodaytoday	Sep 27todaytoday		#111,368Sora 2 Pro
Speech2
Speech ArenaArena ratingtodaytoday	Sep 27todaytoday	#741,000Zonos V0.1	#321,104TTS 1 Hd		#261,126best of the pickedAzure Hd 2.5
Open ASRAverage WERtodaytoday	Sep 27todaytoday		#535.78 WERwhisper-large-v3 (openai)		#23.81 WERbest of the pickedazure-speech-07-2026 (microsoft)
Embeddings1
MTEBMean task scoretodaytoday	Sep 27todaytoday				#174.3%harrier-oss-v1-27b (microsoft)
Speed1
AA SpeedOutput speedtodaytoday	Sep 27todaytoday		#5154 tok/sGPT-6 Luna	#3232 tok/sbest of the pickedDeepSeek V4.1 Flash
Price1
AA PriceBlended pricetodaytoday	Sep 27todaytoday		#1$0.20best of the pickedGPT-6 Luna	#4$0.53DeepSeek V4.1 Flash
Usage1
OpenRouterWeekly tokenstodaytoday	Sep 27todaytoday		#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.