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d1-ultra (default) vs Span-02 (default)

Span-02 (default) leads on average score with 2.8 vs 2.7. Span-02 (default) has the lower benchmark cost at $0.001 vs $0.003. d1-ultra (default) is faster at 531ms vs 1.36s, with pass rates of 20.3% vs 26.1%.

Last updated at: 2026-10-17

Compared models

Rank
#421
Total Output Tokens
0
Response Time (avg)
531ms
Total Cost
$0.003
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 3.3x less than d1-ultra (default).

Detailed comparison

Metric d1-ultra d1-ultra default Release: 2026-10-17 Span-02 Span-02 default Release: 2026-10-17
Score 2.7 2.8
Rank #421 #419
Reliability 10.0 10.0
Consistency 4.9 5.2
Attempts 36/69 36/69
Tests Correct
Attempt pass rate 20.3% 26.1%
Flaky tests 1 0
Total Runs 36 36
Cost per result 0.059 0.012
Total Cost $0.003 $0.001
Input Price $0.042 / 1M $0.010 / 1M
Output Price $0.000 / 1M $0.000 / 1M
Cache Read Price $0.042 / 1M N/A
Cache Write Price N/A N/A
Total Input Tokens 55,956 70,626
Output Tokens 0 0
Reasoning Tokens 0 0
Response Time (avg) 531ms 1.36s
Response Time (max) 697ms 5.71s
Response Time (total) 6.38s 16.37s
Parameters - 26B total (4B active)
Availability Closed 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
d1-ultra 5.3 4.3 55.6% 1 561ms 25,605 0 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+lowvsd1-ultradefaultCommand A+nonevsd1-ultradefaultCommand A+highvsSpan-02defaultCommand A+highvsd1-ultradefaultSpan-02defaultvsXing4.0 29b A4bnoneFree AvailableCommand A+mediumvsSpan-02defaultSpan-02defaultvsGrok 4.20noned1-ultradefaultvsXing4.0 29b A4bnoneFree AvailableCommand A+mediumvsd1-ultradefaultd1-ultradefaultvsGrok 4.20none