Claude Opus 4.5 vs Muse Spark 1.1 vs Inkling Small 2

• Claude Opus 4.5
• Muse Spark 1.1
• ?Inkling Small 2

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Head to head on 7 boards: Muse Spark 1.1 places best on 7, Claude Opus 4.5 places best on 0 and Inkling Small 2 places best on 0. All 3 ranked on 1 of 16 boards.

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Claude Opus 4.5Muse Spark 1.1?Inkling Small 2

Board	Read	Claude Opus 4.5	Muse Spark 1.1	?Inkling Small 2
Chat2
MultiChallengeScoretodaytoday	Nov 9todaytoday	#1859.0%	#475.3%best of the picked
Text ArenaArena ratingtodaytoday	Nov 9todaytoday	#361,474	#131,490best of the picked
Reasoning6
LiveBenchGlobal averagetodaytoday	Nov 9todaytoday	#4672.6%	#3575.3%best of the picked
Epoch ECIECItodaytoday	Nov 9todaytoday	#55151.8	#42154.9best of the picked
MMLU-ProAccuracy · staletodaytoday	Nov 9todaytoday	#1287.3%
HLEAccuracytodaytoday	Nov 9todaytoday	#1625.2%
ARC-AGI-2Scoretodaytoday	Nov 9todaytoday	#4537.6%
GPQA DiamondAccuracytodaytoday	Nov 9todaytoday	#7286.0%
Coding3
WebDev ArenaArena ratingtodaytoday	Nov 9todaytoday	#591,494	#441,542best of the picked
SWE-bench VerifiedResolved · staletodaytoday	Nov 9todaytoday	#176.8%
SWE-Bench ProResolvedtodaytoday	Nov 9todaytoday			#986.3%
Agents and tools3
MCP AtlasPass ratetodaytoday	Nov 9todaytoday	#2569.8%	#288.1%best of the picked	#585.4%
BFCLOverall accuracy · staletodaytoday	Nov 9todaytoday	#177.5%
Search ArenaArena ratingtodaytoday	Nov 9todaytoday	#291,186
Vision2
Document ArenaArena ratingtodaytoday	Nov 9todaytoday	#181,468	#91,479best of the picked
Vision ArenaArena ratingtodaytoday	Nov 9todaytoday		#241,279

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.