Openmoss Team vs Microsoft vs OpenAI vs Anthropic

Head to head on 25 boards: Anthropic places best on 12, OpenAI places best on 11, Microsoft places best on 2 and Openmoss Team places best on 0. All 4 ranked on 0 of 27 boards.

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OTOpenmoss TeamMicrosoftOpenAIAnthropic

Board	Read	OTOpenmoss Team	Microsoft	OpenAI	Anthropic
Chat2
MultiChallengeScoretodaytoday	Nov 9todaytoday			#182.0%best of the pickedGPT-6.1 Sol	#1067.7%Claude Haiku 5.5
Text ArenaArena ratingtodaytoday	Nov 9todaytoday			#191,485GPT-5.6 Sol	#41,505best of the pickedClaude Opus 5.5
Reasoning7
MMLU-ProAccuracy · staletodaytoday	Nov 9todaytoday		#7576.0%Phi 4 Plus	#389.3%best of the pickedo1	#489.1%Claude Opus 4.6
HLEAccuracytodaytoday	Nov 9todaytoday			#154.8%best of the pickedGPT-6 Astra	#246.5%Claude Fable 5.1
Epoch ECIECItodaytoday	Nov 9todaytoday			#1169.1best of the pickedGPT-6 Astra	#3168.4Claude Opus 5.5
ARC-AGI-2Scoretodaytoday	Nov 9todaytoday			#195.0%best of the pickedGPT-6 Astra	#393.3%Claude Opus 5.5
LiveBenchGlobal averagetodaytoday	Nov 9todaytoday			#482.2%GPT-6 Astra	#183.4%best of the pickedClaude Fable 5.1
AA IntelligenceIndextodaytoday	Nov 9todaytoday			#356.9GPT-6 Astra	#259.1best of the pickedClaude Opus 5.5
GPQA DiamondAccuracytodaytoday	Nov 9todaytoday			#295.8%best of the pickedGPT-6 Astra	#395.6%Claude Sonnet 5.5
Coding4
WebDev ArenaArena ratingtodaytoday	Nov 9todaytoday			#31,770GPT-6 Astra	#11,814best of the pickedClaude Opus 5.5
SWE-Bench ProResolvedtodaytoday	Nov 9todaytoday			#490.2%GPT-6 Astra	#198.0%best of the pickedClaude Opus 5
SWE-bench VerifiedResolved · staletodaytoday	Nov 9todaytoday			#672.8%GPT-5.2	#176.8%best of the pickedClaude Opus 4.5
Aider PolyglotPass rate · staletodaytoday	Nov 9todaytoday			#188.0%best of the pickedGPT-5	#1072.0%Claude Opus 4
Agents and tools3
BFCLOverall accuracy · staletodaytoday	Nov 9todaytoday		#5028.8%Phi 4	#763.0%o3	#177.5%best of the pickedClaude Opus 4.5
Search ArenaArena ratingtodaytoday	Nov 9todaytoday			#11,255best of the pickedGPT-5.6 Sol	#51,229Claude Fable 5
MCP AtlasPass ratetodaytoday	Nov 9todaytoday			#1481.8%GPT-5.6	#387.2%best of the pickedClaude Fable 5.1
Vision2
Vision ArenaArena ratingtodaytoday	Nov 9todaytoday			#81,293GPT-6.1 Sol	#11,309best of the pickedClaude Fable 5
Document ArenaArena ratingtodaytoday	Nov 9todaytoday			#51,486GPT-5.6 Sol	#11,499best of the pickedClaude Fable 5
Image2
Text-to-ImageArena ratingtodaytoday	Nov 9todaytoday		#61,330MAI Image 2.6	#11,429best of the pickedGPT Image 2.5 Sunburst
Image EditArena ratingtodaytoday	Nov 9todaytoday		#41,467MAI Image 2.7	#11,517best of the pickedGPT Image 2.5 Sunburst
Video1
Text-to-VideoArena ratingtodaytoday	Nov 9todaytoday			#131,367Sora 2 Pro
Speech2
Open ASRAverage WERtodaytoday	Nov 9todaytoday	#216.91 WERMOSS-Transcribe-Diarize (OpenMOSS-Team)	#35.55 WERbest of the pickedazure-speech-09-2026 (microsoft)	#186.80 WERgpt-transcribe (openai)
Speech ArenaArena ratingtodaytoday	Nov 9todaytoday		#311,145best of the pickedAzure Hd 2.5	#421,107TTS 1 Hd
Embeddings1
MTEBMean task scoretodaytoday	Nov 9todaytoday		#174.3%harrier-oss-v1-27b (microsoft)
Speed1
AA SpeedOutput speedtodaytoday	Nov 9todaytoday			#1522 tok/sGPT-6.1 Sol	#931 tok/sbest of the pickedClaude Sonnet 5.5
Price1
AA PriceBlended pricetodaytoday	Nov 9todaytoday			#6$2.00GPT-6.1 Terra	#1$0.20best of the pickedClaude Haiku 5.5
Usage1
OpenRouterWeekly tokenstodaytoday	Nov 9todaytoday			#47.2T tokbest of the pickedGPT-6 Luna	#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.