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NVIDIA: Nemotron 3 Ultra vs OpenAI: GPT-5.5

GPT-5.5 (low) leads on average score with 9.3 vs 7.5. Nemotron 3 Ultra (medium) has the lower benchmark cost at $0.774 vs $1.253. GPT-5.5 (low) is faster at 10.13s vs 32.21s, with pass rates of 68.2% vs 86.4%.

Recommended modelGPT-5.5 (low)It has the best score here (9.3), while responding about 3.2x faster than Nemotron 3 Ultra (medium).

Last updated at: 2026-07-25

Metric Nemotron 3 Ultra Nemotron 3 Ultra medium Release: 2026-06-04 Free Available GPT-5.5 GPT-5.5 low Release: 2026-04-24
Score 7.5 9.3
Rank #58 #9
Reliability 9.8 10.0
Consistency 8.5 10.0
Tests Correct
Attempt pass rate 68.2% 86.4%
Flaky tests 4 0
Total Runs 66 66
Cost per result 0.000 6.594
Total Cost $0.774 $1.253
Input Price $0.600 / 1M $5.000 / 1M
Output Price $3.600 / 1M $30.000 / 1M
Total Input Tokens 233,488 80,058
Output Tokens 57,916 5,378
Reasoning Tokens 128,062 23,040
Response Time (avg) 32.21s 10.13s
Response Time (max) 392.56s 56.19s
Response Time (total) 708.65s 222.82s

Hamster playing table tennis

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

#58 Nemotron 3 Ultra

medium
Invalid SVG
Cost
$0.000
Time
300.0s
Tokens
0 tok

#9 GPT-5.5

low
Cost
$0.068
Time
37.0s
Tokens
2,339 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
Nemotron 3 Ultra 8.4 7.4 88.9% 1 26.53s 7,686 2,854 17,725
GPT-5.5 10.0 10.0 100.0% 0 15.04s 7,302 423 6,402

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