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LongCat 2.0 (medium) vs GPT-6 Luna (medium)

GPT-6 Luna (medium) leads on average score with 8.3 vs 7.2. GPT-6 Luna (medium) has the lower benchmark cost at $0.047 vs $0.767. GPT-6 Luna (medium) is faster at 18.07s vs 144.88s, with pass rates of 59.4% vs 73.9%.

Last updated at: 2026-10-17

Compared models

Rank
#171
Total Output Tokens
422,234
Response Time (avg)
144.88s
Total Cost
$0.767
Rank
#94
Total Output Tokens
53,161
Response Time (avg)
18.07s
Total Cost
$0.047
Recommended model GPT-6 Luna (medium)

It has the best score here (8.3), while costing about 16.3x less than LongCat 2.0 (medium).

Detailed comparison

Metric LongCat 2.0 LongCat 2.0 medium Release: 2026-07-20 GPT-6 Luna GPT-6 Luna medium Release: 2026-09-23
Score 7.2 8.3
Rank #171 #94
Reliability 10.0 10.0
Consistency 9.0 8.9
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 59.4% 73.9%
Flaky tests 3 3
Total Runs 69 69
Cost per result 4.942 0.313
Total Cost $0.767 $0.047
Input Price $0.300 / 1M $0.100 / 1M
Output Price $1.200 / 1M $0.500 / 1M
Cache Read Price $0.006 / 1M $0.010 / 1M
Cache Write Price N/A $0.125 / 1M
Total Input Tokens 287,669 203,193
Output Tokens 47,204 5,751
Reasoning Tokens 375,030 47,410
Response Time (avg) 144.88s 18.07s
Response Time (max) 939.52s 66.44s
Response Time (total) 3332.19s 415.53s
Parameters 1.6T total (48B active) ~400B total (~17B active)
Availability Open source 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.

#171 LongCat 2.0

medium
Cost
$0.016
Time
285.1s
Tokens
13,057 tok

#94 GPT-6 Luna

medium
Cost
$0.002
Time
23.6s
Tokens
2,966 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
LongCat 2.0 10.0 10.0 100.0% 0 455.00s 7,419 533 214,143
GPT-6 Luna 6.6 4.6 77.8% 2 23.63s 7,302 438 10,222

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