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Nemotron 3 Ultra 550b A55b vs StepFun: Step 3.7 Flash

Summary

Nemotron 3 Ultra 550b A55b vs Step 3.7 Flash benchmark comparison: Step 3.7 Flash leads on average score with 8.5 vs 8.1. Nemotron 3 Ultra 550b A55b has the lower benchmark cost at $0.177 vs $0.376. Nemotron 3 Ultra 550b A55b is faster at 15.05s vs 20.35s, with pass rates of 69.8% vs 73.0%.

Recommended model: Nemotron 3 Ultra 550b A55b - Its score stays close to the best score here (8.1 vs 8.5), while costing about 2.1x less than Step 3.7 Flash.

Last updated at: 2026-06-12

Metric Nemotron 3 Ultra 550b A55b Nemotron 3 Ultra 550b A55b medium Release: 2026-06-04 Free Available Step 3.7 Flash Step 3.7 Flash medium Release: 2026-05-29
Score 8.1 8.5
Rank #29 #23
Reliability 9.7 9.9
Consistency 8.8 9.3
Tests Correct
Attempt pass rate 69.8% 73.0%
Flaky tests 3 2
Total Runs 63 61
Cost per result 0.000 2.686
Total Cost $0.177 $0.376
Input Price $0.500 / 1M $0.200 / 1M
Output Price $2.500 / 1M $1.150 / 1M
Total Input Tokens 46,813 39,981
Output Tokens 18,002 319,958
Reasoning Tokens 53,091 0
Response Time (avg) 15.05s 20.35s
Response Time (max) 43.93s 113.98s
Response Time (total) 316.09s 427.42s

Generation showcase

Hamster playing table tennis

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

#29 Nemotron 3 Ultra 550b A55b

medium
No showcase result has been generated for this model yet.
Cost
$0.000
Time
-
Tokens
0 tok

#23 Step 3.7 Flash

medium
Cost
$0.006
Time
46.2s
Tokens
4,466 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

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 10.0 10.0 100.0% 0 8.62s 780 835 1,485
Step 3.7 Flash 8.7 7.9 91.7% 1 9.65s 756 32,185 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Nemotron 3 Ultra 550b A55b 8.4 7.4 88.9% 1 26.53s 7,686 2,854 17,725
Step 3.7 Flash 8.8 7.8 88.9% 1 27.42s 7,437 44,797 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Nemotron 3 Ultra 550b A55b 9.8 10.0 100.0% 0 43.93s 17,574 1,040 3,590
Step 3.7 Flash 10.0 10.0 100.0% 0 9.06s 13,683 7,106 0
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 5.68s 7,989 473 1,285
Step 3.7 Flash 10.0 10.0 100.0% 0 2.75s 7,398 3,020 0
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 3.5 4.4 33.3% 2 24.90s 858 11,169 16,249
Step 3.7 Flash 7.7 10.0 66.7% 0 48.27s 708 70,347 0
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 3.7 9.5 0.0% 0 2.52s 360 70 235
Step 3.7 Flash 4.0 10.0 0.0% 0 6.85s 525 3,987 0
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 9.8 10.0 100.0% 0 6.35s 765 182 1,243
Step 3.7 Flash 9.8 10.0 100.0% 0 1.83s 735 2,166 0
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 5.5 9.9 33.3% 0 3.54s 792 771 2,055
Step 3.7 Flash 5.7 9.9 33.3% 0 6.19s 756 15,071 0
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 7.72s 9,781 304 984
Step 3.7 Flash 10.0 10.0 100.0% 0 4.16s 7,746 2,115 0
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 38.47s 228 304 8,240
Step 3.7 Flash 3.0 10.0 0.0% 0 113.98s 237 139,164 0

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