Stealth vs Anthropic vs Google vs Meta

Head to head on 26 boards: Anthropic places best on 13, Google places best on 7, Meta places best on 5 and Stealth places best on 1. All 4 ranked on 2 of 28 boards.

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SStealthAnthropicGoogleMeta

Board	Read	SStealth	Anthropic	Google	Meta
Chat2
Text ArenaArena ratingtodaytoday	Sep 27todaytoday		#11,509best of the pickedClaude Opus 5.5	#81,492Gemini 3.8 Flash	#61,496Muse Spark 1.2
MultiChallengeScoretodaytoday	Sep 27todaytoday		#1259.0%Claude Opus 4.5	#371.4%Gemini 3.1 Pro Preview	#175.5%best of the pickedMuse Spark
Reasoning7
LiveBenchGlobal averagetodaytoday	Sep 27todaytoday	#2976.1%Union Alpha	#183.4%best of the pickedClaude Fable 5.1	#1378.8%Gemini 3.7 Flash	#581.6%Muse Spark 1.3
AA IntelligenceIndextodaytoday	Sep 27todaytoday		#157.6best of the pickedClaude Opus 5.5	#1540.9Gemini 3.8 Flash	#448.1Muse Spark 1.3
MMLU-ProAccuracy · staletodaytoday	Sep 27todaytoday		#489.1%Claude Opus 4.6	#191.2%best of the pickedGemini 3.1 Pro Preview	#4782.8%Llama4 Behemoth
HLEAccuracytodaytoday	Sep 27todaytoday		#246.5%best of the pickedClaude Fable 5.1	#346.4%Gemini 3.1 Pro Preview	#640.6%Muse Spark
GPQA DiamondAccuracytodaytoday	Sep 27todaytoday		#1093.9%Claude Opus 5	#295.4%best of the pickedGemini 3.8 Flash	#3589.8%Muse Spark
Epoch ECIECItodaytoday	Sep 27todaytoday		#2165.0best of the pickedClaude Fable 5.1	#11157.7Gemini 3.7 Flash	#15156.9Muse Spark 1.3
ARC-AGI-2Scoretodaytoday	Sep 27todaytoday		#293.3%best of the pickedClaude Opus 5.5	#689.2%Gemini 3.8 Flash	#710.0%Llama 4 Maverick Instruct
Coding4
WebDev ArenaArena ratingtodaytoday	Sep 27todaytoday		#11,827best of the pickedClaude Opus 5.5	#201,593Gemini 3.7 Flash	#81,656Muse Spark 1.3
SWE-bench VerifiedResolved · staletodaytoday	Sep 27todaytoday		#176.8%best of the pickedClaude Opus 4.5	#275.8%Gemini 3 Flash	#3621.0%Llama 4 Maverick Instruct
Aider PolyglotPass rate · staletodaytoday	Sep 27todaytoday		#1072.0%Claude Opus 4	#383.1%best of the pickedGemini 2.5 Pro (Jun 2025)	#4315.6%Llama 4 Maverick Instruct
SWE-Bench ProResolvedtodaytoday	Sep 27todaytoday		#198.0%best of the pickedClaude Opus 5	#958.8%Gemini 3.8 Flash
Agents and tools3
BFCLOverall accuracytodaytoday	Sep 27todaytoday		#177.5%best of the pickedClaude Opus 4.5	#372.5%Gemini 3 Pro	#3637.3%Llama 4 Maverick 17b 128e
MCP AtlasPass ratetodaytoday	Sep 27todaytoday		#287.2%Claude Fable 5.1	#683.6%Gemini 3.5 Flash	#188.1%best of the pickedMuse Spark 1.1
Search ArenaArena ratingtodaytoday	Sep 27todaytoday		#21,253best of the pickedClaude Opus 4.6	#91,210Gemini 3.1 Pro Grounding
Vision2
Vision ArenaArena ratingtodaytoday	Sep 27todaytoday		#11,310best of the pickedClaude Fable 5	#101,289Gemini 3 Pro	#51,294Muse Spark 1.3
Document ArenaArena ratingtodaytoday	Sep 27todaytoday		#11,516best of the pickedClaude Opus 5	#161,463Gemini 3.5 Flash	#121,471Muse Spark 1.3
Image2
Image EditArena ratingtodaytoday	Sep 27todaytoday			#91,390Gemini 3 Pro Image	#61,402best of the pickedMuse Image
Text-to-ImageArena ratingtodaytoday	Sep 27todaytoday			#91,261Gemini 3.1 Flash Image	#71,276best of the pickedMuse Image
Video2
Text-to-VideoArena ratingtodaytoday	Sep 27todaytoday			#11,516best of the pickedGemini Omni 1.1 Flash	#91,456Muse Video
Image-to-VideoArena ratingtodaytoday	Sep 27todaytoday			#21,488Gemini Omni 1.1 Flash
Speech2
Speech ArenaArena ratingtodaytoday	Sep 27todaytoday			#21,268best of the pickedGemini 3.8 Flash TTS	#89847Metavoice V1
Open ASRAverage WERtodaytoday	Sep 27todaytoday			#669.51 WERgemma-4-E4B-it (google)	#284.84 WERbest of the pickedmuse-voice-transcribe (meta)
Embeddings1
MTEBMean task scoretodaytoday	Sep 27todaytoday			#568.4%gemini-embedding-001 (google)
Speed1
AA SpeedOutput speedtodaytoday	Sep 27todaytoday		#988 tok/sClaude Opus 5.5	#1308 tok/sbest of the pickedGemini 3.8 Flash	#2232 tok/sMuse Spark 1.3
Price1
AA PriceBlended pricetodaytoday	Sep 27todaytoday		#17$4.00Claude Sonnet 5	#9$1.50best of the pickedGemini 3.8 Flash	#11$2.00Muse Spark 1.3
Usage1
OpenRouterWeekly tokenstodaytoday	Sep 27todaytoday	#49.9T tokbest of the pickedSpace Bunny Alpha	#191.5T tokClaude Sonnet 5	#142.2T tokGemini 3.8 Flash	#151.8T 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.