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Kev 4B (default) vs Drex v1.5 (default)

The average score is effectively tied at 2.4 vs 2.4. Drex v1.5 (default) has the lower benchmark cost at $0.002 vs $0.002. Drex v1.5 (default) is faster at 986ms vs 5.63s, with pass rates of 15.9% vs 17.4%.

Last updated at: 2026-10-12

Compared models

Rank
#401
Total Output Tokens
28,061
Response Time (avg)
5.63s
Total Cost
$0.002
Rank
#399
Total Output Tokens
27,468
Response Time (avg)
986ms
Total Cost
$0.002
Recommended model Drex v1.5 (default)

It has the best score here (2.4), while responding about 5.7x faster than Kev 4B (default).

Detailed comparison

Metric Kev 4B Kev 4B default Release: 2026-09-28 Drex v1.5 Drex v1.5 default Release: 2026-10-12
Score 2.4 2.4
Rank #401 #399
Reliability 10.0 10.0
Consistency 4.9 5.2
Attempts 36/69 36/69
Tests Correct
Attempt pass rate 15.9% 17.4%
Flaky tests 1 0
Total Runs 36 36
Cost per result 0.060 0.043
Total Cost $0.002 $0.002
Input Price $0.042 / 1M $0.040 / 1M
Output Price $0.000 / 1M $0.000 / 1M
Cache Read Price N/A N/A
Cache Write Price N/A N/A
Total Input Tokens 42,804 42,804
Output Tokens 28,061 27,468
Reasoning Tokens 0 0
Response Time (avg) 5.63s 986ms
Response Time (max) 17.79s 1.38s
Response Time (total) 67.61s 11.84s
Parameters 4B 8.95B
Availability Open source Weights available

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Top Models by Score

Score vs Total Cost

Response Time (avg)

Score vs Response Time (avg)

Total Output Tokens

Score vs Total Output Tokens

Category Breakdown

Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Kev 4B 4.5 6.7 33.3% 0 771ms 21,603 12,207 0
Drex v1.5 4.5 6.7 33.3% 0 794ms 21,603 12,192 0

Switch Comparison Pair

Command A+lowvsDrex v1.5defaultCommand A+lowvsKev 4BdefaultCommand A+nonevsDrex v1.5defaultCommand A+nonevsKev 4BdefaultGemini 3 Flash PreviewhighvsKev 4BdefaultGemini 3 Flash PreviewhighvsDrex v1.5defaultCommand A+highvsDrex v1.5defaultCommand A+highvsKev 4BdefaultCommand A+mediumvsDrex v1.5defaultDrex v1.5defaultvsGrok 4.20noneCommand A+mediumvsKev 4BdefaultKev 4BdefaultvsGrok 4.20none