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MoonshotAI: Kimi K3 vs OpenAI: GPT-5.6 Terra

Kimi K3 (max) leads on average score with 8.0 vs 7.8. GPT-5.6 Terra (medium) has the lower benchmark cost at $0.676 vs $3.112. GPT-5.6 Terra (medium) is faster at 7.11s vs 122.48s, with pass rates of 75.8% vs 69.7%.

Recommended modelGPT-5.6 Terra (medium)Its score stays close to the best score here (7.8 vs 8.0), while costing about 4.6x less than Kimi K3 (max).

Last updated at: 2026-07-17

Metric Kimi K3 Kimi K3 max Release: 2026-07-16 GPT-5.6 Terra GPT-5.6 Terra medium Release: 2026-07-09
Score 8.0 7.8
Rank #31 #37
Reliability 9.1 10.0
Consistency 9.5 9.3
Tests Correct
Attempt pass rate 75.8% 69.7%
Flaky tests 1 2
Total Runs 66 66
Cost per result 19.446 4.825
Total Cost $3.112 $0.676
Input Price $3.000 / 1M $2.500 / 1M
Output Price $15.000 / 1M $15.000 / 1M
Total Input Tokens 34,916 79,175
Output Tokens 2,910 4,878
Reasoning Tokens 197,529 26,952
Response Time (avg) 122.48s 7.11s
Response Time (max) 766.58s 41.68s
Response Time (total) 2327.06s 156.42s

Hamster playing table tennis

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

#31 MoonshotAI: Kimi K3

max
Cost
$0.281
Time
506.9s
Tokens
18,863 tok

#37 GPT-5.6 Terra

medium
Cost
$0.035
Time
16.3s
Tokens
2,418 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 K3 10.0 10.0 100.0% 0 325.79s 8,061 460 84,012
GPT-5.6 Terra 6.1 7.2 55.6% 1 7.19s 7,302 427 4,527

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