Anthropic vs Meta vs OpenAI

• Anthropic
• Meta
• OpenAI

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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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AnthropicMetaOpenAI

Board	Read	Anthropic	Meta	OpenAI
Chat2
Text ArenaArena ratingtodaytoday	Sep 27todaytoday	#11,509best of the pickedClaude Opus 5.5	#61,496Muse Spark 1.2	#161,483GPT-5.6 Sol
MultiChallengeScoretodaytoday	Sep 27todaytoday	#1259.0%Claude Opus 4.5	#175.5%best of the pickedMuse Spark	#469.2%GPT-5.4 Pro
Reasoning7
AA IntelligenceIndextodaytoday	Sep 27todaytoday	#157.6best of the pickedClaude Opus 5.5	#448.1Muse Spark 1.3	#352.7GPT-6 Astra
HLEAccuracytodaytoday	Sep 27todaytoday	#246.5%Claude Fable 5.1	#640.6%Muse Spark	#154.8%best of the pickedGPT-6 Astra
GPQA DiamondAccuracytodaytoday	Sep 27todaytoday	#1093.9%Claude Opus 5	#3589.8%Muse Spark	#195.8%best of the pickedGPT-6 Astra
Epoch ECIECItodaytoday	Sep 27todaytoday	#2165.0Claude Fable 5.1	#15156.9Muse Spark 1.3	#1166.6best of the pickedGPT-6 Astra
ARC-AGI-2Scoretodaytoday	Sep 27todaytoday	#293.3%Claude Opus 5.5	#710.0%Llama 4 Maverick Instruct	#195.0%best of the pickedGPT-6 Astra
LiveBenchGlobal averagetodaytoday	Sep 27todaytoday	#183.4%best of the pickedClaude Fable 5.1	#581.6%Muse Spark 1.3	#482.2%GPT-6 Astra
MMLU-ProAccuracy · staletodaytoday	Sep 27todaytoday	#489.1%Claude Opus 4.6	#4782.8%Llama4 Behemoth	#389.3%best of the pickedo1
Coding4
WebDev ArenaArena ratingtodaytoday	Sep 27todaytoday	#11,827best of the pickedClaude Opus 5.5	#81,656Muse Spark 1.3	#21,792GPT-6 Astra
SWE-bench VerifiedResolved · staletodaytoday	Sep 27todaytoday	#176.8%best of the pickedClaude Opus 4.5	#3621.0%Llama 4 Maverick Instruct	#672.8%GPT-5.2
Aider PolyglotPass rate · staletodaytoday	Sep 27todaytoday	#1072.0%Claude Opus 4	#4315.6%Llama 4 Maverick Instruct	#188.0%best of the pickedGPT-5
SWE-Bench ProResolvedtodaytoday	Sep 27todaytoday	#198.0%best of the pickedClaude Opus 5		#390.2%GPT-6 Astra
Agents and tools3
BFCLOverall accuracytodaytoday	Sep 27todaytoday	#177.5%best of the pickedClaude Opus 4.5	#3637.3%Llama 4 Maverick 17b 128e	#763.0%o3
MCP AtlasPass ratetodaytoday	Sep 27todaytoday	#287.2%Claude Fable 5.1	#188.1%best of the pickedMuse Spark 1.1	#1181.8%GPT-5.6
Search ArenaArena ratingtodaytoday	Sep 27todaytoday	#21,253Claude Opus 4.6		#11,257best of the pickedGPT-5.6 Sol
Vision2
Vision ArenaArena ratingtodaytoday	Sep 27todaytoday	#11,310best of the pickedClaude Fable 5	#51,294Muse Spark 1.3	#111,287GPT-5.5
Document ArenaArena ratingtodaytoday	Sep 27todaytoday	#11,516best of the pickedClaude Opus 5	#121,471Muse Spark 1.3	#61,486GPT-5.5
Image2
Text-to-ImageArena ratingtodaytoday	Sep 27todaytoday		#71,276Muse Image	#11,424best of the pickedGPT Image 2.5 Sunburst
Image EditArena ratingtodaytoday	Sep 27todaytoday		#61,402Muse Image	#11,526best of the pickedGPT Image 2.5 Sunburst
Video1
Text-to-VideoArena ratingtodaytoday	Sep 27todaytoday		#91,456best of the pickedMuse Video	#111,368Sora 2 Pro
Speech2
Open ASRAverage WERtodaytoday	Sep 27todaytoday		#284.84 WERbest of the pickedmuse-voice-transcribe (meta)	#535.78 WERwhisper-large-v3 (openai)
Speech ArenaArena ratingtodaytoday	Sep 27todaytoday		#89847Metavoice V1	#321,104best of the pickedTTS 1 Hd
Speed1
AA SpeedOutput speedtodaytoday	Sep 27todaytoday	#988 tok/sClaude Opus 5.5	#2232 tok/sbest of the pickedMuse Spark 1.3	#5154 tok/sGPT-6 Luna
Price1
AA PriceBlended pricetodaytoday	Sep 27todaytoday	#17$4.00Claude Sonnet 5	#11$2.00Muse Spark 1.3	#1$0.20best of the pickedGPT-6 Luna
Usage1
OpenRouterWeekly tokenstodaytoday	Sep 27todaytoday	#191.5T tokClaude Sonnet 5	#151.8T tokMuse Spark 1.3 Contributor	#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.