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DeepSeek V4.1 Flash vs Nemotron 3.5 Lightning (high)

Nemotron 3.5 Lightning (high) leads on average score with 5.6 vs 5.4. Nemotron 3.5 Lightning (high) has the lower benchmark cost at $0.134 vs $0.185. DeepSeek V4.1 Flash is faster at 14.85s vs 58.26s, with pass rates of 34.9% vs 50.0%.

Last updated at: 2026-09-10

Compared models

Rank
#248
Total Output Tokens
273,780
Response Time (avg)
14.85s
Total Cost
$0.185
Rank
#241
Total Output Tokens
654,597
Response Time (avg)
58.26s
Total Cost
$0.134
Recommended model DeepSeek V4.1 Flash

Its score stays close to the best score here (5.4 vs 5.6), while responding about 3.9x faster than Nemotron 3.5 Lightning (high).

Detailed comparison

Metric DeepSeek V4.1 Flash DeepSeek V4.1 Flash none Release: 2026-09-10 Nemotron 3.5 Lightning Nemotron 3.5 Lightning high Release: 2026-08-11 Free Available
Score 5.4 5.6
Rank #248 #241
Reliability 9.6 9.9
Consistency 9.3 5.6
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 34.9% 50.0%
Flaky tests 2 12
Total Runs 66 66
Cost per result 2.642 0.000
Total Cost $0.185 $0.134
Input Price $0.150 / 1M $0.080 / 1M
Output Price $0.600 / 1M $0.200 / 1M
Total Input Tokens 137,687 118,016
Output Tokens 273,780 148,344
Reasoning Tokens 0 506,253
Response Time (avg) 14.85s 58.26s
Response Time (max) 247.66s 285.26s
Response Time (total) 326.72s 1281.79s
Parameters 748B total (16B active) 30B total (3B active)
Availability Open source Weights available

Model generation showcase

Hamster playing table tennis

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

#248 DeepSeek V4.1 Flash

none
Cost
$0.021
Time
55.4s
Tokens
17,181 tok

#241 Nemotron 3.5 Lightning

high
Cost
$0.000
Time
92.8s
Tokens
11,343 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
DeepSeek V4.1 Flash 5.5 10.0 33.3% 0 83.66s 7,284 263,438 0
Nemotron 3.5 Lightning 4.4 5.1 33.3% 2 168.41s 7,623 68,533 242,319

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