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GPT-6 Luna (medium) vs Inkling (medium)

GPT-6 Luna (medium) leads on average score with 8.3 vs 7.4. GPT-6 Luna (medium) has the lower benchmark cost at $0.047 vs $0.527. Inkling (medium) is faster at 16.98s vs 18.07s, with pass rates of 73.9% vs 75.4%.

Last updated at: 2026-10-16

Compared models

Rank
#94
Total Output Tokens
53,161
Response Time (avg)
18.07s
Total Cost
$0.047
Rank
#156
Total Output Tokens
69,605
Response Time (avg)
16.98s
Total Cost
$0.527
Recommended model GPT-6 Luna (medium)

It has the best score here (8.3), while costing about 11.2x less than Inkling (medium).

Detailed comparison

Metric GPT-6 Luna GPT-6 Luna medium Release: 2026-09-23 Inkling Inkling medium Release: 2026-07-18 Free Available
Score 8.3 7.4
Rank #94 #156
Reliability 10.0 10.0
Consistency 8.9 8.2
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 73.9% 75.4%
Flaky tests 3 5
Total Runs 69 69
Cost per result 0.313 3.594
Total Cost $0.047 $0.527
Input Price $0.100 / 1M $0.950 / 1M
Output Price $0.500 / 1M $4.050 / 1M
Cache Read Price $0.010 / 1M $0.160 / 1M
Cache Write Price $0.125 / 1M N/A
Total Input Tokens 203,193 257,138
Output Tokens 5,751 13,830
Reasoning Tokens 47,410 55,775
Response Time (avg) 18.07s 16.98s
Response Time (max) 66.44s 85.12s
Response Time (total) 415.53s 390.45s
Parameters ~400B total (~17B active) 975B total (41B active)
Availability Closed Open source

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.

#94 GPT-6 Luna

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

#156 Thinking Machines: Inkling

medium
Cost
$0.004
Time
11.2s
Tokens
852 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
Inkling 8.4 7.8 77.8% 1 25.20s 7,374 525 14,457

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