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Mercury 2 vs Nemotron 3.5 Lightning (medium)

Nemotron 3.5 Lightning (medium) leads on average score with 4.7 vs 4.4. Mercury 2 has the lower benchmark cost at $0.033 vs $0.129. Mercury 2 is faster at 1.18s vs 81.93s, with pass rates of 23.2% vs 47.8%.

Last updated at: 2026-10-01

Compared models

Rank
#338
Total Output Tokens
9,709
Response Time (avg)
1.18s
Total Cost
$0.033
Rank
#315
Total Output Tokens
766,130
Response Time (avg)
81.93s
Total Cost
$0.129
Recommended model Mercury 2

Its score stays close to the best score here (4.4 vs 4.7), while costing about 4.0x less than Nemotron 3.5 Lightning (medium).

Detailed comparison

Metric Mercury 2 Mercury 2 none Release: 2026-02-24 Nemotron 3.5 Lightning Nemotron 3.5 Lightning medium Release: 2026-08-11 Free Available
Score 4.4 4.7
Rank #338 #315
Reliability 10.0 9.8
Consistency 9.2 5.8
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 23.2% 47.8%
Flaky tests 2 12
Total Runs 69 69
Cost per result 0.812 0.000
Total Cost $0.033 $0.129
Input Price $0.250 / 1M $0.060 / 1M
Output Price $0.750 / 1M $0.160 / 1M
Total Input Tokens 100,634 195,780
Output Tokens 9,709 167,746
Reasoning Tokens 0 598,384
Response Time (avg) 1.18s 81.93s
Response Time (max) 9.00s 437.11s
Response Time (total) 27.14s 1884.31s
Parameters ~100B 30B total (3B active)
Availability Closed Weights available

Model generation showcase

Hamster playing table tennis

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

#338 Mercury 2

none
Cost
$0.002
Time
1.8s
Tokens
1,514 tok

#315 Nemotron 3.5 Lightning

medium
Cost
$0.000
Time
130.5s
Tokens
6,750 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 3.4 9.6 0.0% 0 1.03s 7,229 3,088 0
Nemotron 3.5 Lightning 4.4 5.1 33.3% 2 285.47s 7,623 78,065 297,359

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