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Kimi K2.7 Code (medium) vs Step 5 Preview (high)

The average score is effectively tied at 7.0 vs 7.0. Kimi K2.7 Code (medium) has the lower benchmark cost at $1.136 vs $4.513. Kimi K2.7 Code (medium) is faster at 81.18s vs 154.41s, with pass rates of 60.9% vs 52.2%.

Last updated at: 2026-10-09

Compared models

Rank
#167
Total Output Tokens
207,661
Response Time (avg)
81.18s
Total Cost
$1.136
Rank
#169
Total Output Tokens
1,581,325
Response Time (avg)
154.41s
Total Cost
$4.513
Recommended model Kimi K2.7 Code (medium)

It has the best score here (7.0), while costing about 4.0x less than Step 5 Preview (high).

Detailed comparison

Metric Kimi K2.7 Code Kimi K2.7 Code medium Release: 2026-06-12 Step 5 Preview Step 5 Preview high Release: 2026-10-09
Score 7.0 7.0
Rank #167 #169
Reliability 10.0 9.5
Consistency 8.1 8.5
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 60.9% 52.2%
Flaky tests 5 4
Total Runs 69 69
Cost per result 8.755 45.130
Total Cost $1.136 $4.513
Input Price $0.672 / 1M $1.000 / 1M
Output Price $3.350 / 1M $2.700 / 1M
Cache Read Price $0.180 / 1M $0.050 / 1M
Cache Write Price N/A N/A
Total Input Tokens 245,179 243,381
Output Tokens 62,697 1,581,325
Reasoning Tokens 196,621 0
Response Time (avg) 81.18s 154.41s
Response Time (max) 365.80s 455.72s
Response Time (total) 1785.87s 3551.40s
Parameters 1T total (32B active) 600B total (27B active)
Availability Weights available 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.

#167 MoonshotAI: Kimi K2.7 Code

medium
Cost
$0.025
Time
138.0s
Tokens
6,093 tok

#169 Step 5 Preview

high
Cost
$0.057
Time
150.1s
Tokens
20,970 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 K2.7 Code 7.8 9.3 66.7% 0 146.73s 4,650 1,864 25,635
Step 5 Preview 2.9 10.0 0.0% 0 421.68s 7,383 576,000 0

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