Chatterbox vs Claude Fable 5.1 vs Qwen3.8 Max (0902) vs Muse Spark 1.3

Head to head on 9 boards: Claude Fable 5.1 places best on 6, Muse Spark 1.3 places best on 2, Qwen3.8 Max (0902) places best on 1 and Chatterbox places best on 0. All 4 ranked on 0 of 15 boards.

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RAChatterboxClaude Fable 5.1Qwen3.8 Max (0902)Muse Spark 1.3

Board	Read	RAChatterbox	Claude Fable 5.1	Qwen3.8 Max (0902)	Muse Spark 1.3
Chat1
Text ArenaArena ratingtodaytoday	Sep 27todaytoday		#51,501best of the picked	#221,479	#71,494
Reasoning6
LiveBenchGlobal averagetodaytoday	Sep 27todaytoday		#183.4%best of the picked	#1478.5%	#581.6%
AA IntelligenceIndextodaytoday	Sep 27todaytoday		#253.4best of the picked	#845.4	#448.1
Epoch ECIECItodaytoday	Sep 27todaytoday		#2165.0best of the picked	#17156.7	#15156.9
HLEAccuracytodaytoday	Sep 27todaytoday		#246.5%
ARC-AGI-2Scoretodaytoday	Sep 27todaytoday		#590.0%
GPQA DiamondAccuracytodaytoday	Sep 27todaytoday			#1792.7%
Coding2
WebDev ArenaArena ratingtodaytoday	Sep 27todaytoday		#31,751best of the picked	#61,672	#81,656
SWE-Bench ProResolvedtodaytoday	Sep 27todaytoday		#292.2%
Agents and tools1
MCP AtlasPass ratetodaytoday	Sep 27todaytoday		#287.2%
Vision2
Vision ArenaArena ratingtodaytoday	Sep 27todaytoday		#91,289	#21,302best of the picked	#51,294
Document ArenaArena ratingtodaytoday	Sep 27todaytoday		#21,513best of the picked		#121,471
Speech1
Speech ArenaArena ratingtodaytoday	Sep 27todaytoday	#711,023
Speed1
AA SpeedOutput speedtodaytoday	Sep 27todaytoday		#1569 tok/s	#2239 tok/s	#2232 tok/sbest of the picked
Price1
AA PriceBlended pricetodaytoday	Sep 27todaytoday		#23$20.0	#13$3.00	#11$2.00best 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.