GPT-5.6 Terra vs Muse Spark 1.1

• GPT-5.6 Terra
• Muse Spark 1.1

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Head to head on 6 boards: Muse Spark 1.1 places best on 4 and GPT-5.6 Terra places best on 2. Both ranked on 6 of 11 boards.

Board	Read	GPT-5.6 Terra	Muse Spark 1.1
Chat2
Text ArenaArena ratingtodaytoday	Nov 9todaytoday	#431,468	#131,490best of the picked
MultiChallengeScoretodaytoday	Nov 9todaytoday		#475.3%
Reasoning4
Epoch ECIECItodaytoday	Nov 9todaytoday	#14160.9best of the picked	#42154.9
LiveBenchGlobal averagetodaytoday	Nov 9todaytoday	#2077.9%best of the picked	#3575.3%
ARC-AGI-2Scoretodaytoday	Nov 9todaytoday	#1583.9%
GPQA DiamondAccuracytodaytoday	Nov 9todaytoday	#1993.3%
Coding2
WebDev ArenaArena ratingtodaytoday	Nov 9todaytoday	#501,521	#441,542best of the picked
SWE-Bench ProResolvedtodaytoday	Nov 9todaytoday	#886.3%
Agents and tools1
MCP AtlasPass ratetodaytoday	Nov 9todaytoday		#288.1%
Vision2
Document ArenaArena ratingtodaytoday	Nov 9todaytoday	#131,474	#91,479best of the picked
Vision ArenaArena ratingtodaytoday	Nov 9todaytoday	#301,267	#241,279best of the picked

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.