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Drex v1.5 (default) vs Span-02 (default)

Span-02 (default) leads on average score with 2.8 vs 2.4. Span-02 (default) has the lower benchmark cost at $0.001 vs $0.002. Drex v1.5 (default) is faster at 986ms vs 1.36s, with pass rates of 17.4% vs 26.1%.

Last updated at: 2026-10-17

Compared models

Rank
#426
Total Output Tokens
27,468
Response Time (avg)
986ms
Total Cost
$0.002
Rank
#419
Total Output Tokens
0
Response Time (avg)
1.36s
Total Cost
$0.001
Recommended model Span-02 (default)

It has the best score here (2.8), while costing about 2.4x less than Drex v1.5 (default).

Detailed comparison

Metric Drex v1.5 Drex v1.5 default Release: 2026-10-12 Span-02 Span-02 default Release: 2026-10-17
Score 2.4 2.8
Rank #426 #419
Reliability 10.0 10.0
Consistency 5.2 5.2
Attempts 36/69 36/69
Tests Correct
Attempt pass rate 17.4% 26.1%
Flaky tests 0 0
Total Runs 36 36
Cost per result 0.043 0.012
Total Cost $0.002 $0.001
Input Price $0.040 / 1M $0.010 / 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 70,626
Output Tokens 27,468 0
Reasoning Tokens 0 0
Response Time (avg) 986ms 1.36s
Response Time (max) 1.38s 5.71s
Response Time (total) 11.84s 16.37s
Parameters 8.95B 26B total (4B active)
Availability Weights available Open source

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
Drex v1.5 4.5 6.7 33.3% 0 794ms 21,603 12,192 0
Span-02 4.9 6.7 33.3% 0 544ms 32,136 0 0

Switch Comparison Pair

Command A+lowvsSpan-02defaultCommand A+nonevsSpan-02defaultCommand A+highvsSpan-02defaultSpan-02defaultvsXing4.0 29b A4bnoneFree AvailableCommand A+lowvsDrex v1.5defaultCommand A+nonevsDrex v1.5defaultCommand A+mediumvsSpan-02defaultSpan-02defaultvsGrok 4.20noneGemini 3 Flash PreviewhighvsDrex v1.5defaultCommand A+highvsDrex v1.5defaultDrex v1.5defaultvsXing4.0 29b A4bnoneFree AvailableLing 3.0 TinymediumvsSpan-02default