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Kimi K2.6 vs Step 3.5 Flash (medium)

Kimi K2.6 leads on average score with 5.5 vs 5.4. Step 3.5 Flash (medium) has the lower benchmark cost at $0.105 vs $0.222. Kimi K2.6 is faster at 26.34s vs 190.48s, with pass rates of 30.4% vs 49.3%.

Last updated at: 2026-10-02

Compared models

Rank
#268
Total Output Tokens
64,022
Response Time (avg)
26.34s
Total Cost
$0.222
Rank
#279
Total Output Tokens
607,130
Response Time (avg)
190.48s
Total Cost
$0.105
Recommended model Kimi K2.6

It has the best score here (5.5), while responding about 7.2x faster than Step 3.5 Flash (medium).

Detailed comparison

Metric Kimi K2.6 Kimi K2.6 none Release: 2026-04-20 Step 3.5 Flash Step 3.5 Flash medium Release: 2026-02-01
Score 5.5 5.4
Rank #268 #279
Reliability 10.0 10.0
Consistency 9.0 8.3
Attempts 69/69 66/69
Tests Correct
Attempt pass rate 30.4% 49.3%
Flaky tests 3 3
Total Runs 69 66
Cost per result 6.999 1.047
Total Cost $0.222 $0.105
Input Price $0.435 / 1M $0.100 / 1M
Output Price $1.828 / 1M $0.300 / 1M
Cache Read Price $0.074 / 1M N/A
Cache Write Price N/A N/A
Total Input Tokens 241,357 139,086
Output Tokens 64,022 193,584
Reasoning Tokens 0 413,546
Response Time (avg) 26.34s 190.48s
Response Time (max) 238.89s 1597.85s
Response Time (total) 605.78s 3238.23s
Parameters 1T total (32B active) 196B total (11B active)
Availability Weights available Open source

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.

#268 MoonshotAI: Kimi K2.6

none
Cost
$0.020
Time
127.4s
Tokens
4,429 tok

#279 Step 3.5 Flash

medium
Cost
$0.008
Time
277.1s
Tokens
23,695 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 K2.6 5.5 9.8 33.3% 0 82.57s 5,986 14,754 0
Step 3.5 Flash 2.4 5.2 0.0% 0 258.38s 2,211 13,207 22,429

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