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Nemotron 3 Ultra 550b A55b vs Elephant Alpha

Summary

Nemotron 3 Ultra 550b A55b vs Elephant Alpha benchmark comparison: Nemotron 3 Ultra 550b A55b leads on average score with 8.1 vs 4.6. Elephant Alpha has the lower benchmark cost at $0.000 vs $0.158. Elephant Alpha is faster at 1.22s vs 15.05s, with pass rates of 69.8% vs 27.0%.

Recommended model: Nemotron 3 Ultra 550b A55b - It has the strongest score in this comparison (8.1) and the best overall balance of cost and response time across all 2 models.

Last updated at: 2026-06-18

Metric Nemotron 3 Ultra 550b A55b Nemotron 3 Ultra 550b A55b medium Release: 2026-06-04 Free Available Elephant Alpha Elephant Alpha none Release: 2026-04-14
Score 8.1 4.6
Rank #26 #152
Reliability 9.7 N/A
Consistency 8.8 9.7
Tests Correct
Attempt pass rate 69.8% 27.0%
Flaky tests 3 1
Total Runs 63 63
Cost per result 0.000 0.000
Total Cost $0.158 $0.000
Input Price $0.500 / 1M $0.000 / 1M
Output Price $2.200 / 1M $0.000 / 1M
Total Input Tokens 46,813 33,743
Output Tokens 18,002 2,573
Reasoning Tokens 53,091 0
Response Time (avg) 15.05s 1.22s
Response Time (max) 43.93s 3.81s
Response Time (total) 316.09s 22.03s

Generation showcase

Hamster playing table tennis

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

#26 Nemotron 3 Ultra 550b A55b

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

#152 Elephant Alpha

none
Elephant Alpha was a stealth model revealed on April 21st as Ling-2.6-flash. Find it here: https://openrouter.ai/inclusionai/ling-2.6-flash:free
Cost
$0.000
Time
0.1s
Tokens
0 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
Elephant Alpha 6.6 10.0 50.0% 0 963ms 726 610 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
Elephant Alpha 4.2 7.8 22.2% 1 1.39s 813 375 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
Elephant Alpha 3.0 10.0 0.0% 0 3.81s 14,046 731 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
Elephant Alpha 6.5 10.0 50.0% 0 1.04s 8,004 246 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
Elephant Alpha 3.0 10.0 0.0% 0 927ms 810 24 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
Elephant Alpha 4.0 10.0 0.0% 0 854ms 540 106 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
Elephant Alpha 9.8 10.0 100.0% 0 1.03s 732 81 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
Elephant Alpha 4.2 10.0 0.0% 0 807ms 729 170 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
Elephant Alpha 3.0 10.0 0.0% 0 2.79s 7,343 230 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
Elephant Alpha 3.0 10.0 0.0% 0 0ms 0 0 0

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