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Gemini Decision 1 (default) vs d1-ultra (default)

Gemini Decision 1 (default) leads on average score with 2.9 vs 2.7. d1-ultra (default) has the lower benchmark cost at $0.003 vs $0.006. d1-ultra (default) is faster at 531ms vs 652ms, with pass rates of 23.2% vs 20.3%.

Last updated at: 2026-11-13

Compared models

Rank
#475
Total Output Tokens
0
Response Time (avg)
652ms
Total Cost
$0.006
Rank
#478
Total Output Tokens
0
Response Time (avg)
531ms
Total Cost
$0.003
Recommended model Gemini Decision 1 (default)

It has the strongest score in this comparison (2.9) and the best overall balance of cost and response time across 2 models.

Detailed comparison

Metric Gemini Decision 1 Gemini Decision 1 default Release: 2026-11-12 d1-ultra d1-ultra default Release: 2026-10-17
Score 2.9 2.7
Rank #475 #478
Reliability 9.2 10.0
Consistency 4.9 4.9
Attempts 36/69 36/69
Tests Correct
Attempt pass rate 23.2% 20.3%
Flaky tests 1 1
Total Runs 36 36
Cost per result 0.101 0.059
Total Cost $0.006 $0.003
Input Price $0.100 / 1M $0.042 / 1M
Output Price $0.000 / 1M $0.000 / 1M
Cache Read Price N/A $0.042 / 1M
Cache Write Price N/A N/A
Total Input Tokens 50,079 55,956
Output Tokens 0 0
Reasoning Tokens 0 0
Response Time (avg) 652ms 531ms
Response Time (max) 1.27s 697ms
Response Time (total) 7.83s 6.38s
Parameters - -
Availability Closed Closed

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
Gemini Decision 1 4.5 6.7 33.3% 0 558ms 24,507 0 0
d1-ultra 5.3 4.3 55.6% 1 561ms 25,605 0 0

Switch Comparison Pair

Command A+lowvsGemini Decision 1defaultCommand A+nonevsGemini Decision 1defaultCommand A+highvsGemini Decision 1defaultCommand A+lowvsd1-ultradefaultGemini Decision 1defaultvsXing4.0 29b A4bnoneFree AvailableCommand A+nonevsd1-ultradefaultCommand A+mediumvsGemini Decision 1defaultGemini Decision 1defaultvsGrok 4.20noneCommand A+highvsd1-ultradefaultd1-ultradefaultvsXing4.0 29b A4bnoneFree AvailableGemini Decision 1defaultvsLing 3.0 TinymediumCommand A+mediumvsd1-ultradefault