Navigate
Advertise here

Nemotron 3 Ultra vs GPT-5.6 Luna (low)

GPT-5.6 Luna (low) leads on average score with 6.9 vs 5.9. GPT-5.6 Luna (low) has the lower benchmark cost at $0.049 vs $0.164. Nemotron 3 Ultra is faster at 6.76s vs 6.96s, with pass rates of 40.6% vs 56.5%.

Last updated at: 2026-10-17

Compared models

Rank
#285
Total Output Tokens
11,544
Response Time (avg)
6.76s
Total Cost
$0.164
Rank
#193
Total Output Tokens
28,001
Response Time (avg)
6.96s
Total Cost
$0.049
Recommended model GPT-5.6 Luna (low)

It has the best score here (6.9), while costing about 3.3x less than Nemotron 3 Ultra.

Detailed comparison

Metric Nemotron 3 Ultra Nemotron 3 Ultra none Release: 2026-06-04 Free Available GPT-5.6 Luna GPT-5.6 Luna low Release: 2026-07-09
Score 5.9 6.9
Rank #285 #193
Reliability 10.0 10.0
Consistency 9.3 8.3
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 40.6% 56.5%
Flaky tests 2 5
Total Runs 69 69
Cost per result 0.000 2.428
Total Cost $0.164 $0.049
Input Price $0.500 / 1M $0.200 / 1M
Output Price $2.200 / 1M $1.200 / 1M
Cache Read Price $0.100 / 1M $0.020 / 1M
Cache Write Price N/A $0.250 / 1M
Total Input Tokens 275,381 202,680
Output Tokens 11,544 9,230
Reasoning Tokens 0 18,771
Response Time (avg) 6.76s 6.96s
Response Time (max) 70.17s 45.74s
Response Time (total) 155.50s 160.19s
Parameters 550B total (55B active) ~400B total (~17B active)
Availability Weights available Closed

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Model generation showcase

Hamster playing table tennis

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

#285 Nemotron 3 Ultra

none
Cost
$0.000
Time
149.6s
Tokens
3,405 tok

#193 GPT-5.6 Luna

low
Cost
$0.011
Time
10.2s
Tokens
1,897 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
Nemotron 3 Ultra 5.5 10.0 33.3% 0 1.02s 7,623 369 0
GPT-5.6 Luna 5.5 10.0 33.3% 0 4.61s 7,302 557 3,535

Switch Comparison Pair