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Nemotron 3 Ultra 550b A55b vs OpenAI: GPT-5 Nano

Last updated at: 2026-06-04

Metric Nemotron 3 Ultra 550b A55b Nemotron 3 Ultra 550b A55b none Release: 2026-06-04 Free Available GPT-5 Nano GPT-5 Nano medium Release: 2025-08-07
Score 6.0 6.3
Rank #104 #94
Reliability 10.0 10.0
Consistency 9.2 7.3
Tests Correct
Attempt pass rate 44.4% 57.1%
Flaky tests 2 7
Total Runs 63 63
Cost per result 0.000 0.897
Total Cost $0.000 $0.081
Input Price $0.000 / 1M $0.050 / 1M
Output Price $0.000 / 1M $0.400 / 1M
Total Input Tokens 43,326 34,108
Output Tokens 2,138 5,464
Reasoning Tokens 0 192,064
Response Time (avg) 2.27s 42.51s
Response Time (max) 13.49s 204.02s
Response Time (total) 47.65s 595.09s

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Score vs Total Cost

Response Time (avg)

Score vs Response Time (avg)

Total Output Tokens

Score vs Total Output Tokens

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Nemotron 3 Ultra 550b A55b 3.5 8.0 16.7% 1 2.35s 696 239 0
GPT-5 Nano 6.5 7.9 58.3% 1 25.50s 606 1,221 21,184
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Nemotron 3 Ultra 550b A55b 5.5 10.0 33.3% 0 1.02s 7,623 369 0
GPT-5 Nano 7.0 7.7 55.6% 1 41.62s 7,305 740 41,152
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Nemotron 3 Ultra 550b A55b 3.0 10.0 0.0% 0 4.79s 15,558 357 0
GPT-5 Nano 10.0 10.0 100.0% 0 65.96s 11,019 578 17,984
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Nemotron 3 Ultra 550b A55b 10.0 10.0 100.0% 0 1.94s 7,944 249 0
GPT-5 Nano 3.7 1.7 50.0% 2 21.42s 7,140 453 10,560
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Nemotron 3 Ultra 550b A55b 5.3 10.0 33.3% 0 698ms 789 27 0
GPT-5 Nano 5.2 4.4 55.6% 2 204.02s 619 237 64,448
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Nemotron 3 Ultra 550b A55b 5.0 10.0 0.0% 0 13.49s 516 101 0
GPT-5 Nano 4.1 10.0 0.0% 0 17.51s 477 202 4,608
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Nemotron 3 Ultra 550b A55b 10.0 10.0 100.0% 0 1.46s 723 69 0
GPT-5 Nano 9.8 10.0 100.0% 0 15.64s 660 312 4,736
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Nemotron 3 Ultra 550b A55b 5.9 7.2 55.6% 1 1.06s 726 352 0
GPT-5 Nano 5.3 7.2 44.4% 1 20.63s 642 929 14,272
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Nemotron 3 Ultra 550b A55b 10.0 10.0 100.0% 0 2.99s 8,544 264 0
GPT-5 Nano 10.0 10.0 100.0% 0 33.30s 5,445 558 6,976
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Nemotron 3 Ultra 550b A55b 3.0 10.0 0.0% 0 1.83s 207 111 0
GPT-5 Nano 3.0 10.0 0.0% 0 20.13s 195 234 6,144

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