No answer Failure Ranking

See which AI models run into No answer most often, so you can spot reliability risks before choosing one. Sort by: Total Cost ↑.

Models Shown

Total Failures

277

Most Affected Model

Categories

In category Domain specific66 In category Trivia62 In category Combined56 In category Coding52 In category Puzzle Solving14 In category Anti-AI Tricks13 In category Data parsing and extraction9 In category Tool Calling3 In category Instructions following2

170/170

Rank	Model	Company	No answer Count	Score	Total Cost	Tests Correct	Response Time (avg)
#189	Step 5 Preview high	Stepfun	7	0.7	$4.513	10/23	154.4s
Total Tests 23 Wrong Tests 13 Total Cost $4.513 Response Time (avg) 154.4s
#27	Claude Opus 5 high	Anthropic	1	0.9	$4.524	19/23	25.3s
Total Tests 23 Wrong Tests 4 Total Cost $4.524 Response Time (avg) 25.3s
#90	GLM 5.2 high	Z.ai	2	0.8	$4.632	15/23	69.1s
Total Tests 23 Wrong Tests 8 Total Cost $4.632 Response Time (avg) 69.1s
#58	Claude Fable 5 medium	Anthropic	3	0.9	$5.089	18/23	16.8s
Total Tests 23 Wrong Tests 5 Total Cost $5.089 Response Time (avg) 16.8s
#34	Claude Sonnet 5.5 max	Anthropic	3	0.9	$8.557	18/23	84.3s
Total Tests 23 Wrong Tests 5 Total Cost $8.557 Response Time (avg) 84.3s

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No answer Failures