Anthropic vs OpenAI vs Meta

• Anthropic
• OpenAI
• Meta

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Head to head on 26 boards: OpenAI places best on 12, Anthropic places best on 9 and Meta places best on 5. All 3 ranked on 19 of 26 boards.

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AnthropicOpenAIMeta

Board	Read	Anthropic	OpenAI	Meta
Chat2
Text ArenaArena rating1dyesterday	Sep 261dyesterday	#11,509best of the pickedClaude Opus 5.5	#161,483GPT-5.6 Sol	#61,496Muse Spark 1.2
MultiChallengeScore1dyesterday	Sep 261dyesterday	#1259.0%Claude Opus 4.5	#469.2%GPT-5.4 Pro	#175.5%best of the pickedMuse Spark
Reasoning7
AA IntelligenceIndex1dyesterday	Sep 261dyesterday	#157.6best of the pickedClaude Opus 5.5	#352.7GPT-6 Astra	#448.1Muse Spark 1.3
HLEAccuracy1dyesterday	Sep 261dyesterday	#246.5%Claude Fable 5.1	#154.8%best of the pickedGPT-6 Astra	#640.6%Muse Spark
GPQA DiamondAccuracy1dyesterday	Sep 261dyesterday	#1093.9%Claude Opus 5	#195.8%best of the pickedGPT-6 Astra	#3589.8%Muse Spark
Epoch ECIECI1dyesterday	Sep 261dyesterday	#2165.0Claude Fable 5.1	#1166.6best of the pickedGPT-6 Astra	#15156.9Muse Spark 1.3
ARC-AGI-2Score1dyesterday	Sep 261dyesterday	#293.3%Claude Opus 5.5	#195.0%best of the pickedGPT-6 Astra	#710.0%Llama 4 Maverick Instruct
LiveBenchGlobal average1dyesterday	Sep 261dyesterday	#183.4%best of the pickedClaude Fable 5.1	#482.2%GPT-6 Astra	#581.6%Muse Spark 1.3
MMLU-ProAccuracy · stale1dyesterday	Sep 261dyesterday	#489.1%Claude Opus 4.6	#389.3%best of the pickedo1	#4782.8%Llama4 Behemoth
Coding4
WebDev ArenaArena rating1dyesterday	Sep 261dyesterday	#11,827best of the pickedClaude Opus 5.5	#21,792GPT-6 Astra	#81,656Muse Spark 1.3
SWE-bench VerifiedResolved · stale1dyesterday	Sep 261dyesterday	#176.8%best of the pickedClaude Opus 4.5	#672.8%GPT-5.2	#3621.0%Llama 4 Maverick Instruct
Aider PolyglotPass rate · stale1dyesterday	Sep 261dyesterday	#1072.0%Claude Opus 4	#188.0%best of the pickedGPT-5	#4315.6%Llama 4 Maverick Instruct
SWE-Bench ProResolved1dyesterday	Sep 261dyesterday	#198.0%best of the pickedClaude Opus 5	#390.2%GPT-6 Astra
Agents and tools3
BFCLOverall accuracy1dyesterday	Sep 261dyesterday	#177.5%best of the pickedClaude Opus 4.5	#763.0%o3	#3637.3%Llama 4 Maverick 17b 128e
MCP AtlasPass rate1dyesterday	Sep 261dyesterday	#287.2%Claude Fable 5.1	#1181.8%GPT-5.6	#188.1%best of the pickedMuse Spark 1.1
Search ArenaArena rating1dyesterday	Sep 261dyesterday	#21,253Claude Opus 4.6	#11,257best of the pickedGPT-5.6 Sol
Vision2
Vision ArenaArena rating1dyesterday	Sep 261dyesterday	#11,310best of the pickedClaude Fable 5	#111,287GPT-5.5	#51,294Muse Spark 1.3
Document ArenaArena rating1dyesterday	Sep 261dyesterday	#11,516best of the pickedClaude Opus 5	#61,486GPT-5.5	#121,471Muse Spark 1.3
Image2
Text-to-ImageArena rating1dyesterday	Sep 261dyesterday		#11,424best of the pickedGPT Image 2.5 Sunburst	#71,276Muse Image
Image EditArena rating1dyesterday	Sep 261dyesterday		#11,526best of the pickedGPT Image 2.5 Sunburst	#61,402Muse Image
Video1
Text-to-VideoArena rating1dyesterday	Sep 261dyesterday		#111,368Sora 2 Pro	#91,456best of the pickedMuse Video
Speech2
Open ASRAverage WER1dyesterday	Sep 261dyesterday		#535.78 WERwhisper-large-v3 (openai)	#284.84 WERbest of the pickedmuse-voice-transcribe (meta)
Speech ArenaArena rating1dyesterday	Sep 261dyesterday		#321,104best of the pickedTTS 1 Hd	#89847Metavoice V1
Speed1
AA SpeedOutput speed1dyesterday	Sep 261dyesterday	#990 tok/sClaude Opus 5.5	#5154 tok/sGPT-6 Luna	#4214 tok/sbest of the pickedMuse Spark 1.3
Price1
AA PriceBlended price1dyesterday	Sep 261dyesterday	#17$4.00Claude Sonnet 5	#1$0.20best of the pickedGPT-6 Luna	#11$2.00Muse Spark 1.3
Usage1
OpenRouterWeekly tokens1dyesterday	Sep 261dyesterday	#191.4T tokClaude Sonnet 5	#48.6T tokbest of the pickedGPT-5.6 Luna	#141.9T tokMuse Spark 1.3 Contributor

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.