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Anthropic: Claude Opus 4.8 vs Nemotron 3 Ultra 550b A55b

Summary

Claude Opus 4.8 vs Nemotron 3 Ultra 550b A55b benchmark comparison: Nemotron 3 Ultra 550b A55b leads on average score with 8.1 vs 7.7. Nemotron 3 Ultra 550b A55b has the lower benchmark cost at $0.158 vs $1.270. Claude Opus 4.8 is faster at 10.83s vs 15.05s, with pass rates of 79.4% vs 69.8%.

Recommended model: Nemotron 3 Ultra 550b A55b - It has the best score here (8.1), while costing about 8.0x less than Claude Opus 4.8.

Last updated at: 2026-06-30

Metric Claude Opus 4.8 Claude Opus 4.8 low Release: 2026-05-28 Nemotron 3 Ultra 550b A55b Nemotron 3 Ultra 550b A55b medium Release: 2026-06-04 Free Available
Score 7.7 8.1
Rank #38 #26
Reliability 10.0 9.7
Consistency 8.8 8.8
Tests Correct
Attempt pass rate 79.4% 69.8%
Flaky tests 3 3
Total Runs 63 63
Cost per result 8.466 0.000
Total Cost $1.270 $0.158
Input Price $5.000 / 1M $0.500 / 1M
Output Price $25.000 / 1M $2.200 / 1M
Total Input Tokens 60,946 46,813
Output Tokens 31,771 18,002
Reasoning Tokens 6,831 53,091
Response Time (avg) 10.83s 15.05s
Response Time (max) 127.97s 43.93s
Response Time (total) 227.39s 316.09s

Generation showcase

Hamster playing table tennis

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

#38 Claude Opus 4.8

low
Cost
$0.031
Time
14.1s
Tokens
1,345 tok

#26 Nemotron 3 Ultra 550b A55b

medium
Invalid SVG
Cost
$0.000
Time
300.0s
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
Claude Opus 4.8 10.0 10.0 100.0% 0 3.30s 834 793 371
Nemotron 3 Ultra 550b A55b 10.0 10.0 100.0% 0 8.62s 780 835 1,485
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.8 6.6 4.6 77.8% 2 7.58s 10,590 3,637 809
Nemotron 3 Ultra 550b A55b 8.4 7.4 88.9% 1 26.53s 7,686 2,854 17,725
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.8 9.8 10.0 100.0% 0 20.84s 23,500 2,216 1,081
Nemotron 3 Ultra 550b A55b 9.8 10.0 100.0% 0 43.93s 17,574 1,040 3,590
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.8 6.3 5.8 66.7% 1 2.27s 10,503 310 0
Nemotron 3 Ultra 550b A55b 10.0 10.0 100.0% 0 5.68s 7,989 473 1,285
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.8 5.3 10.0 33.3% 0 45.53s 975 23,311 3,908
Nemotron 3 Ultra 550b A55b 3.5 4.4 33.3% 2 24.90s 858 11,169 16,249
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.8 10.0 10.0 100.0% 0 2.55s 708 231 0
Nemotron 3 Ultra 550b A55b 3.7 9.5 0.0% 0 2.52s 360 70 235
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.8 9.8 10.0 100.0% 0 2.78s 909 111 221
Nemotron 3 Ultra 550b A55b 9.8 10.0 100.0% 0 6.35s 765 182 1,243
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.8 10.0 10.0 100.0% 0 3.01s 894 592 184
Nemotron 3 Ultra 550b A55b 5.5 9.9 33.3% 0 3.54s 792 771 2,055
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.8 10.0 10.0 100.0% 0 6.85s 11,775 370 35
Nemotron 3 Ultra 550b A55b 10.0 10.0 100.0% 0 7.72s 9,781 304 984
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.8 3.0 10.0 0.0% 0 5.48s 258 200 222
Nemotron 3 Ultra 550b A55b 3.0 10.0 0.0% 0 38.47s 228 304 8,240

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