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Kimi K3 (max) vs GPT-5.6 Terra (medium)

Kimi K3 (max) leads on average score with 7.9 vs 7.8. GPT-5.6 Terra (medium) has the lower benchmark cost at $0.523 vs $3.467. GPT-5.6 Terra (medium) is faster at 6.85s vs 142.84s, with pass rates of 77.3% vs 69.7%.

Last updated at: 2026-08-29

Rank
#59
Total Output Tokens
224,128
Response Time (avg)
142.84s
Total Cost
$3.467
Rank
#67
Total Output Tokens
30,349
Response Time (avg)
6.85s
Total Cost
$0.523
Recommended model GPT-5.6 Terra (medium)

Its score stays close to the best score here (7.8 vs 7.9), while costing about 6.6x less than Kimi K3 (max).

Detailed comparison

Metric Kimi K3 Kimi K3 max Release: 2026-07-16 GPT-5.6 Terra GPT-5.6 Terra medium Release: 2026-07-09
Score 7.9 7.8
Rank #59 #67
Reliability 9.0 10.0
Consistency 9.2 9.3
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 77.3% 69.7%
Flaky tests 2 2
Total Runs 66 66
Cost per result 21.668 4.603
Total Cost $3.467 $0.523
Input Price $3.000 / 1M $2.000 / 1M
Output Price $15.000 / 1M $12.000 / 1M
Total Input Tokens 34,960 79,184
Output Tokens 2,887 4,878
Reasoning Tokens 221,241 25,471
Response Time (avg) 142.84s 6.85s
Response Time (max) 766.58s 41.68s
Response Time (total) 2714.02s 150.65s
Parameters 2.8T total (104B active) ~1T total (~60B active)
Availability Weights available Closed

Model generation showcase

Hamster playing table tennis

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

#59 MoonshotAI: Kimi K3

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

#67 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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