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Drex v1.5 (default) vs Grok 4.20

Grok 4.20 leads on average score with 3.4 vs 2.4. Drex v1.5 (default) has the lower benchmark cost at $0.002 vs $0.057. Drex v1.5 (default) is faster at 986ms vs 1.11s, with pass rates of 17.4% vs 26.1%.

Last updated at: 2026-10-12

Compared models

Rank
#399
Total Output Tokens
27,468
Response Time (avg)
986ms
Total Cost
$0.002
Rank
#384
Total Output Tokens
1,923
Response Time (avg)
1.11s
Total Cost
$0.057
Recommended model Grok 4.20

It has the strongest score in this comparison (3.4) and the best overall balance of cost and response time across 2 models.

Detailed comparison

Metric Drex v1.5 Drex v1.5 default Release: 2026-10-12 Grok 4.20 Grok 4.20 none Release: 2026-03-31
Score 2.4 3.4
Rank #399 #384
Reliability 10.0 N/A
Consistency 5.2 7.8
Attempts 36/69 54/69
Tests Correct
Attempt pass rate 17.4% 26.1%
Flaky tests 0 0
Total Runs 36 54
Cost per result 0.043 1.570
Total Cost $0.002 $0.057
Input Price $0.040 / 1M $1.250 / 1M
Output Price $0.000 / 1M $2.500 / 1M
Cache Read Price N/A $0.200 / 1M
Cache Write Price N/A N/A
Total Input Tokens 42,804 41,313
Output Tokens 27,468 1,923
Reasoning Tokens 0 0
Response Time (avg) 986ms 1.11s
Response Time (max) 1.38s 6.04s
Response Time (total) 11.84s 19.96s
Parameters 8.95B ~1T total (~100B active)
Availability Weights available Closed

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

Model generation showcase

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#399 Nace.AI: Drex v1.5

default
No showcase result has been generated for this model yet.
Cost
N/A
Time
-
Tokens
0 tok

#384 xAI: Grok 4.20

none
Cost
$0.004
Time
6.5s
Tokens
1,367 tok

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
Drex v1.5 4.5 6.7 33.3% 0 794ms 21,603 12,192 0
Grok 4.20 1.1 3.1 0.0% 0 1.22s 1,074 312 0

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