xAI: Grok 4.1 Fast

Last updated at : Feb 19, 2026

Category Breakdown

Category	Fully passed tests	Score	Consistency	Attempt pass rate	Flaky tests	Reasoning score	Cost
Anti-AI Tricks	2/2	10.00	10.00	100.0%	0	4.00	$0.00151
Data parsing and extraction	2/2	10.00	10.00	100.0%	0	9.00	$0.00438
Domain specific	1/3	4.00	7.21	55.6%	1	5.00	$0.02064
Instructions following	1/2	5.50	10.00	50.0%	0	3.25	$0.00191
Puzzle Solving	1/3	4.67	7.20	44.4%	1	8.50	$0.00518

Compare xAI: Grok 4.1 Fast against...

#7 · Z.ai

Reasoning (medium)

Score: 6.83

Consistency: 7.86

Attempt pass rate: 80.6%

Flaky tests: 3

Cost per result: 1.3424

Tests Correct: 8/12

Total Cost: $0.10740

#9 · MoonshotAI

Reasoning (medium)

Score: 6.42

Consistency: 8.00

Attempt pass rate: 72.2%

Flaky tests: 3

Cost per result: 2.4097

Tests Correct: 7/12

Total Cost: $0.16868

#6 · Anthropic

Reasoning (medium)

Score: 7.00

Consistency: 9.30

Attempt pass rate: 69.4%

Flaky tests: 1

Cost per result: 9.3797

Tests Correct: 8/12

Total Cost: $0.75038

Compare xAI: Grok 4.1 Fast against...