Anthropic vs OpenAI vs Microsoft vs MiniMax

Head to head on 26 boards: OpenAI places best on 13, Anthropic places best on 10, MiniMax places best on 2 and Microsoft places best on 1. All 4 ranked on 1 of 28 boards.

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AnthropicOpenAIMicrosoftMiniMax

Board	Read	Anthropic	OpenAI	Microsoft	MiniMax
Chat2
Text ArenaArena ratingtodaytoday	Sep 27todaytoday	#11,509best of the pickedClaude Opus 5.5	#161,483GPT-5.6 Sol		#761,440MiniMax-M3
MultiChallengeScoretodaytoday	Sep 27todaytoday	#1259.0%Claude Opus 4.5	#469.2%best of the pickedGPT-5.4 Pro
Reasoning7
MMLU-ProAccuracy · staletodaytoday	Sep 27todaytoday	#489.1%Claude Opus 4.6	#389.3%best of the pickedo1	#7576.0%Phi 4 Plus	#688.0%MiniMax M2.1
AA IntelligenceIndextodaytoday	Sep 27todaytoday	#157.6best of the pickedClaude Opus 5.5	#352.7GPT-6 Astra		#2829.2MiniMax-M3
GPQA DiamondAccuracytodaytoday	Sep 27todaytoday	#1093.9%Claude Opus 5	#195.8%best of the pickedGPT-6 Astra		#2590.9%MiniMax-M3
Epoch ECIECItodaytoday	Sep 27todaytoday	#2165.0Claude Fable 5.1	#1166.6best of the pickedGPT-6 Astra		#60147.0MiniMax-M3
ARC-AGI-2Scoretodaytoday	Sep 27todaytoday	#293.3%Claude Opus 5.5	#195.0%best of the pickedGPT-6 Astra		#524.9%MiniMax-M2.5
LiveBenchGlobal averagetodaytoday	Sep 27todaytoday	#183.4%best of the pickedClaude Fable 5.1	#482.2%GPT-6 Astra		#5567.3%MiniMax-M3
HLEAccuracytodaytoday	Sep 27todaytoday	#246.5%Claude Fable 5.1	#154.8%best of the pickedGPT-6 Astra
Coding4
WebDev ArenaArena ratingtodaytoday	Sep 27todaytoday	#11,827best of the pickedClaude Opus 5.5	#21,792GPT-6 Astra		#461,483MiniMax-M3
SWE-bench VerifiedResolved · staletodaytoday	Sep 27todaytoday	#176.8%best of the pickedClaude Opus 4.5	#672.8%GPT-5.2		#275.8%MiniMax-M2.5
SWE-Bench ProResolvedtodaytoday	Sep 27todaytoday	#198.0%best of the pickedClaude Opus 5	#390.2%GPT-6 Astra
Aider PolyglotPass rate · staletodaytoday	Sep 27todaytoday	#1072.0%Claude Opus 4	#188.0%best of the pickedGPT-5
Agents and tools3
BFCLOverall accuracytodaytoday	Sep 27todaytoday	#177.5%best of the pickedClaude Opus 4.5	#763.0%o3	#5028.8%Phi 4
Search ArenaArena ratingtodaytoday	Sep 27todaytoday	#21,253Claude Opus 4.6	#11,257best of the pickedGPT-5.6 Sol
MCP AtlasPass ratetodaytoday	Sep 27todaytoday	#287.2%best of the pickedClaude Fable 5.1	#1181.8%GPT-5.6
Vision2
Vision ArenaArena ratingtodaytoday	Sep 27todaytoday	#11,310best of the pickedClaude Fable 5	#111,287GPT-5.5		#471,237MiniMax-M3
Document ArenaArena ratingtodaytoday	Sep 27todaytoday	#11,516best of the pickedClaude Opus 5	#61,486GPT-5.5		#271,435MiniMax-M3
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
Video2
Text-to-VideoArena ratingtodaytoday	Sep 27todaytoday		#111,368Sora 2 Pro		#81,460best of the pickedMiniMax H3
Image-to-VideoArena ratingtodaytoday	Sep 27todaytoday				#11,495MiniMax H3
Speech2
Speech ArenaArena ratingtodaytoday	Sep 27todaytoday		#321,104TTS 1 Hd	#261,126Azure Hd 2.5	#161,172best of the pickedSpeech 2.8 Hd
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	#988 tok/sClaude Opus 5.5	#5154 tok/sbest of the pickedGPT-6 Luna
Price1
AA PriceBlended pricetodaytoday	Sep 27todaytoday	#17$4.00Claude Sonnet 5	#1$0.20best of the pickedGPT-6 Luna
Usage1
OpenRouterWeekly tokenstodaytoday	Sep 27todaytoday	#191.5T tokClaude Sonnet 5	#58.6T tokbest of the pickedGPT-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.