Institute Of Foundation Models vs Anthropic vs OpenAI vs Xiaomi

Head to head on 22 boards: Anthropic places best on 12, OpenAI places best on 8, Xiaomi places best on 2 and Institute Of Foundation Models places best on 0. All 4 ranked on 2 of 26 boards.

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IOInstitute Of Foundation ModelsAnthropicOpenAIXiaomi

Board	Read	IOInstitute Of Foundation Models	Anthropic	OpenAI	Xiaomi
Chat2
Text ArenaArena ratingtodaytoday	Oct 6todaytoday		#21,505best of the pickedClaude Opus 4.6	#171,484GPT-5.6 Sol	#231,480MiMo-V2.6-Pro
MultiChallengeScoretodaytoday	Oct 6todaytoday		#1259.0%Claude Opus 4.5	#469.2%best of the pickedGPT-5.4 Pro
Reasoning7
AA IntelligenceIndextodaytoday	Oct 6todaytoday	#2830.5K2 Horizon 375B A23B	#157.6best of the pickedClaude Opus 5.5	#452.7GPT-6 Astra	#946.3MiMo-V2.6-Pro
HLEAccuracytodaytoday	Oct 6todaytoday		#246.5%Claude Fable 5.1	#154.8%best of the pickedGPT-6 Astra
GPQA DiamondAccuracytodaytoday	Oct 6todaytoday		#295.6%Claude Sonnet 5.5	#195.8%best of the pickedGPT-6 Astra
Epoch ECIECItodaytoday	Oct 6todaytoday		#1167.3best of the pickedClaude Opus 5.5	#2166.4GPT-6 Astra
ARC-AGI-2Scoretodaytoday	Oct 6todaytoday		#393.3%Claude Opus 5.5	#195.0%best of the pickedGPT-6 Astra
LiveBenchGlobal averagetodaytoday	Oct 6todaytoday		#183.4%best of the pickedClaude Fable 5.1	#482.2%GPT-6 Astra
MMLU-ProAccuracy · staletodaytoday	Oct 6todaytoday		#489.1%Claude Opus 4.6	#389.3%best of the pickedo1
Coding4
WebDev ArenaArena ratingtodaytoday	Oct 6todaytoday		#11,815best of the pickedClaude Opus 5.5	#21,788GPT-6 Astra	#201,618MiMo-V2.6-Pro
SWE-Bench ProResolvedtodaytoday	Oct 6todaytoday		#198.0%best of the pickedClaude Opus 5	#390.2%GPT-6 Astra
SWE-bench VerifiedResolved · staletodaytoday	Oct 6todaytoday		#176.8%best of the pickedClaude Opus 4.5	#672.8%GPT-5.2
Aider PolyglotPass rate · staletodaytoday	Oct 6todaytoday		#1072.0%Claude Opus 4	#188.0%best of the pickedGPT-5
Agents and tools3
BFCLOverall accuracytodaytoday	Oct 6todaytoday		#177.5%best of the pickedClaude Opus 4.5	#763.0%o3
Search ArenaArena ratingtodaytoday	Oct 6todaytoday		#21,253Claude Opus 4.6	#11,257best of the pickedGPT-5.6 Sol
MCP AtlasPass ratetodaytoday	Oct 6todaytoday		#287.2%best of the pickedClaude Fable 5.1	#1181.8%GPT-5.6
Vision2
Vision ArenaArena ratingtodaytoday	Oct 6todaytoday		#11,309best of the pickedClaude Fable 5	#81,291GPT-6.1 Sol	#461,247MiMo-V2.6-Flash
Document ArenaArena ratingtodaytoday	Oct 6todaytoday		#11,516best of the pickedClaude Opus 5	#61,486GPT-5.5
Image2
Text-to-ImageArena ratingtodaytoday	Oct 6todaytoday			#11,425GPT Image 2.5 Sunburst
Image EditArena ratingtodaytoday	Oct 6todaytoday			#11,524GPT Image 2.5 Sunburst
Video1
Text-to-VideoArena ratingtodaytoday	Oct 6todaytoday			#111,368Sora 2 Pro
Speech2
Speech ArenaArena ratingtodaytoday	Oct 6todaytoday			#361,103best of the pickedTTS 1 Hd	#591,055MiMo V2.5 TTS
Open ASRAverage WERtodaytoday	Oct 6todaytoday			#204.57 WERgpt-transcribe (openai)
Speed1
AA SpeedOutput speedtodaytoday	Oct 6todaytoday	#7124 tok/sK2 Horizon 375B A23B	#5139 tok/sbest of the pickedClaude Sonnet 5.5	#6138 tok/sGPT-6 Luna	#2051 tok/sMiMo-V2.6-Flash
Price1
AA PriceBlended pricetodaytoday	Oct 6todaytoday		#17$4.00Claude Sonnet 5.5	#2$0.20GPT-6 Luna	#1$0.17best of the pickedMiMo-V2.6-Flash
Usage1
OpenRouterWeekly tokenstodaytoday	Oct 6todaytoday		#122.6T tokClaude Opus 5.5	#66.2T tokGPT-6 Luna	#49.7T tokbest of the pickedMiMo-V2.6-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.