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MoonshotAI: Kimi K3 vs Nemotron 3 Ultra 550b A55b

Summary

Kimi K3 (max) leads on average score with 8.5 vs 8.1. Nemotron 3 Ultra 550b A55b (medium) has the lower benchmark cost at $0.249 vs $3.112. Nemotron 3 Ultra 550b A55b (medium) is faster at 15.05s vs 122.48s, with pass rates of 82.5% vs 69.8%.

Recommended modelNemotron 3 Ultra 550b A55b (medium)Its score stays close to the best score here (8.1 vs 8.5), while costing about 12.5x less than Kimi K3 (max).

Last updated at: 2026-07-16

Metric Kimi K3 Kimi K3 max Release: 2026-07-16 Nemotron 3 Ultra 550b A55b Nemotron 3 Ultra 550b A55b medium Release: 2026-06-04 Free Available
Score 8.5 8.1
Rank #21 #34
Reliability 9.4 9.7
Consistency 9.2 8.8
Tests Correct
Attempt pass rate 82.5% 69.8%
Flaky tests 2 3
Total Runs 63 63
Cost per result 19.446 0.000
Total Cost $3.112 $0.249
Input Price $3.000 / 1M $0.600 / 1M
Output Price $15.000 / 1M $3.600 / 1M
Total Input Tokens 34,916 46,813
Output Tokens 2,910 18,002
Reasoning Tokens 197,529 53,091
Response Time (avg) 122.48s 15.05s
Response Time (max) 766.58s 43.93s
Response Time (total) 2327.06s 316.09s

Generation showcase

Hamster playing table tennis

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

#21 MoonshotAI: Kimi K3

max
Cost
$0.281
Time
506.9s
Tokens
18,863 tok

#34 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

Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Kimi K3 10.0 10.0 100.0% 0 325.79s 8,061 460 84,012
Nemotron 3 Ultra 550b A55b 8.4 7.4 88.9% 1 26.53s 7,686 2,854 17,725

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