Navigate
Advertise here

GPT-6 Luna (low) vs Step 3.7 Flash (low)

Step 3.7 Flash (low) leads on average score with 7.1 vs 7.0. GPT-6 Luna (low) has the lower benchmark cost at $0.020 vs $0.390. Step 3.7 Flash (low) is faster at 17.87s vs 21.96s, with pass rates of 62.1% vs 63.6%.

Last updated at: 2026-09-23

Compared models

Rank
#159
Total Output Tokens
22,605
Response Time (avg)
21.96s
Total Cost
$0.020
Rank
#154
Total Output Tokens
320,393
Response Time (avg)
17.87s
Total Cost
$0.390
Recommended model GPT-6 Luna (low)

Its score stays close to the best score here (7.0 vs 7.1), while costing about 20.1x less than Step 3.7 Flash (low).

Detailed comparison

Metric GPT-6 Luna GPT-6 Luna low Release: 2026-09-23 Step 3.7 Flash Step 3.7 Flash low Release: 2026-05-29
Score 7.0 7.1
Rank #159 #154
Reliability 9.6 10.0
Consistency 8.5 8.1
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 62.1% 63.6%
Flaky tests 4 5
Total Runs 66 66
Cost per result 0.176 3.539
Total Cost $0.020 $0.390
Input Price $0.100 / 1M $0.200 / 1M
Output Price $0.500 / 1M $1.150 / 1M
Total Input Tokens 80,159 103,842
Output Tokens 4,623 320,393
Reasoning Tokens 17,982 0
Response Time (avg) 21.96s 17.87s
Response Time (max) 89.37s 124.75s
Response Time (total) 483.19s 393.04s
Parameters ~400B total (~17B active) 198B total (11B active)
Availability Closed Open source

Model generation showcase

Hamster playing table tennis

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

#159 GPT-6 Luna

low
Cost
$0.002
Time
19.2s
Tokens
2,598 tok

#154 Step 3.7 Flash

low
Invalid SVG
Cost
$0.004
Time
25.3s
Tokens
3,072 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
GPT-6 Luna 6.0 7.2 55.6% 1 15.39s 7,302 493 6,655
Step 3.7 Flash 8.2 7.2 88.9% 1 9.46s 7,437 18,685 0

Quick Compare

Switch Comparison Pair