kimi-k3 vs kimi-k3.1-pro
| kimi-k3 | kimi-k3.1-pro | |
|---|---|---|
| Providers | Moonshot AI | Moonshot AI |
| Input $/M | $3.08 | $2.00 |
| Output $/M | $15.38 | $10.46 |
| Output multiplier | ×5.00 | ×5.23 |
| Context window | 1M tokens | 256K tokens |
| Intelligence index | 43.6 | — |
| Coding index | 76.2 | — |
What the numbers mean
Input pricing is close — 1.54× apart — so the decision should come down to measured quality on your own evaluation set rather than headline cost.
Tags: kimi-k3 — Chat, Reasoning, Coding, Vision · kimi-k3.1-pro — Chat, Reasoning, Coding, Vision
Code
from openai import OpenAI
client = OpenAI(base_url="https://starseaapi.com/v1", api_key="sk-...")
# kimi-k3
client.chat.completions.create(model="kimi-k3", messages=[{"role":"user","content":"Hi"}])
# kimi-k3.1-pro
client.chat.completions.create(model="kimi-k3.1-pro", messages=[{"role": "user", "content": "Hi"}])