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MoonshotAI: Kimi K2.5 vs OpenAI: GPT-5.6 Sol

Kimi K2.5 (medium) leads on average score with 7.0 vs 6.9. GPT-5.6 Sol has the lower benchmark cost at $0.524 vs $0.600. GPT-5.6 Sol is faster at 2.16s vs 99.00s, with pass rates of 65.2% vs 59.1%.

Recommended modelGPT-5.6 SolIts score stays close to the best score here (6.9 vs 7.0), while responding about 45.7x faster than Kimi K2.5 (medium).

Last updated at: 2026-07-17

Metric Kimi K2.5 Kimi K2.5 medium Release: 2026-01-27 GPT-5.6 Sol GPT-5.6 Sol none Release: 2026-07-09
Score 7.0 6.9
Rank #74 #80
Reliability 10.0 10.0
Consistency 7.0 9.0
Tests Correct
Attempt pass rate 65.2% 59.1%
Flaky tests 8 3
Total Runs 66 66
Cost per result 4.789 4.761
Total Cost $0.600 $0.524
Input Price $0.571 / 1M $5.000 / 1M
Output Price $2.850 / 1M $30.000 / 1M
Total Input Tokens 118,448 78,593
Output Tokens 62,124 4,357
Reasoning Tokens 165,243 0
Response Time (avg) 99.00s 2.16s
Response Time (max) 281.00s 12.81s
Response Time (total) 1485.04s 47.62s

Hamster playing table tennis

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

#74 MoonshotAI: Kimi K2.5

medium
Cost
$0.030
Time
58.6s
Tokens
8,683 tok

#80 GPT-5.6 Sol

none
Cost
$0.116
Time
78.7s
Tokens
3,944 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
Kimi K2.5 6.1 4.6 66.7% 2 217.49s 6,935 5,705 74,693
GPT-5.6 Sol 5.5 10.0 33.3% 0 1.39s 7,302 390 0

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