Navigate
Advertise here

GPT-6 Luna (medium) vs Grok 4.5 (low)

GPT-6 Luna (medium) leads on average score with 8.3 vs 7.8. GPT-6 Luna (medium) has the lower benchmark cost at $0.047 vs $1.345. GPT-6 Luna (medium) is faster at 18.07s vs 18.14s, with pass rates of 73.9% vs 73.9%.

Last updated at: 2026-10-06

Compared models

Rank
#79
Total Output Tokens
53,161
Response Time (avg)
18.07s
Total Cost
$0.047
Rank
#112
Total Output Tokens
121,415
Response Time (avg)
18.14s
Total Cost
$1.345
Recommended model GPT-6 Luna (medium)

It has the best score here (8.3), while costing about 28.7x less than Grok 4.5 (low).

Detailed comparison

Metric GPT-6 Luna GPT-6 Luna medium Release: 2026-09-23 Grok 4.5 Grok 4.5 low Release: 2026-07-08
Score 8.3 7.8
Rank #79 #112
Reliability 10.0 10.0
Consistency 8.9 9.3
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 73.9% 73.9%
Flaky tests 3 2
Total Runs 69 69
Cost per result 0.313 8.404
Total Cost $0.047 $1.345
Input Price $0.100 / 1M $2.000 / 1M
Output Price $0.500 / 1M $6.000 / 1M
Cache Read Price $0.010 / 1M $0.300 / 1M
Cache Write Price $0.125 / 1M N/A
Total Input Tokens 203,193 308,068
Output Tokens 5,751 9,218
Reasoning Tokens 47,410 112,197
Response Time (avg) 18.07s 18.14s
Response Time (max) 66.44s 205.28s
Response Time (total) 415.53s 417.21s
Parameters ~400B total (~17B active) ~1.7T total (~170B active)
Availability Closed 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.

#79 GPT-6 Luna

medium
Cost
$0.002
Time
23.6s
Tokens
2,966 tok

#112 SpaceXAI: Grok 4.5

low
Cost
$0.011
Time
12.4s
Tokens
2,018 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 6.6 4.6 77.8% 2 23.63s 7,302 438 10,222
Grok 4.5 10.0 10.0 100.0% 0 13.72s 9,579 303 15,641

Quick Compare

Switch Comparison Pair