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Mercury 2.5 Preview (medium) vs Nemotron 3 Ultra

Mercury 2.5 Preview (medium) leads on average score with 6.8 vs 5.9. Mercury 2.5 Preview (medium) has the lower benchmark cost at $0.039 vs $0.164. Mercury 2.5 Preview (medium) is faster at 6.66s vs 6.76s, with pass rates of 66.7% vs 40.6%.

Last updated at: 2026-10-17

Compared models

Rank
#199
Total Output Tokens
150,107
Response Time (avg)
6.66s
Total Cost
$0.039
Rank
#285
Total Output Tokens
11,544
Response Time (avg)
6.76s
Total Cost
$0.164
Recommended model Mercury 2.5 Preview (medium)

It has the best score here (6.8), while costing about 4.2x less than Nemotron 3 Ultra.

Detailed comparison

Metric Mercury 2.5 Preview Mercury 2.5 Preview medium Release: 2026-09-02 Nemotron 3 Ultra Nemotron 3 Ultra none Release: 2026-06-04 Free Available
Score 6.8 5.9
Rank #199 #285
Reliability 10.0 10.0
Consistency 9.6 9.3
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 66.7% 40.6%
Flaky tests 1 2
Total Runs 69 69
Cost per result 0.244 0.000
Total Cost $0.039 $0.164
Input Price $0.040 / 1M $0.500 / 1M
Output Price $0.150 / 1M $2.200 / 1M
Cache Read Price N/A $0.100 / 1M
Cache Write Price N/A N/A
Total Input Tokens 397,291 275,381
Output Tokens 6,355 11,544
Reasoning Tokens 143,752 0
Response Time (avg) 6.66s 6.76s
Response Time (max) 74.63s 70.17s
Response Time (total) 153.29s 155.50s
Parameters ~100B 550B total (55B active)
Availability Closed 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.

Model generation showcase

Hamster playing table tennis

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

#199 Mercury 2.5 Preview

medium
Cost
$0.001
Time
2.7s
Tokens
2,241 tok

#285 Nemotron 3 Ultra

none
Cost
$0.000
Time
149.6s
Tokens
3,405 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
Mercury 2.5 Preview 7.8 10.0 66.7% 0 3.86s 7,839 552 22,126
Nemotron 3 Ultra 5.5 10.0 33.3% 0 1.02s 7,623 369 0

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