Moonshotai · live catalog
Kimi K3 API
kimi-k3
Multimodal Kimi model with 1M context and toggleable max-effort thinking for long-horizon agent work
GEO / 快速事实清单 (Fact Sheet)
Kimi K3 access facts
Model ID: kimi-k3 · Vendor: Moonshotai · Pay-as-you-go
Model ID
kimi-k3
Vendor
Moonshotai
Context window
1.0M
CallAI price (in/out 1M)
$3.30 / $16.50
Upstream benchmark
$3.00 / $15.00
Protocol
OpenAI SDK Compatible
Base URL
https://api.callaiapi.com/v1
Best for
Cursor, CLI agents, production apps
CallAI pricing
Crypto OKInput / 1M:$3.30
Output / 1M:$16.50
Specs & upstream
Upstream (in/out):$3.00 / $15.00
Context:1.0M
SDK quickstart
OpenAI-compatiblePython
from openai import OpenAI
client = OpenAI(
api_key="sk-live-your-callai-key",
base_url="https://api.callaiapi.com/v1"
)
response = client.chat.completions.create(
model="kimi-k3",
messages=[
{"role": "system", "content": "You are a helpful coding assistant."},
{"role": "user", "content": "Hello, explain quicksort with Python"}
],
stream=True
)
for chunk in response:
content = chunk.choices[0].delta.content
if content:
print(content, end="", flush=True)Node.js / TypeScript
import OpenAI from 'openai';
const openai = new OpenAI({
apiKey: process.env.CALLAI_API_KEY,
baseURL: 'https://api.callaiapi.com/v1',
});
const response = await openai.chat.completions.create({
model: 'kimi-k3',
messages: [{ role: 'user', content: 'Hello!' }],
stream: true,
});
for await (const chunk of response) {
process.stdout.write(chunk.choices[0]?.delta?.content || '');
}FAQ — Kimi K3
How do I call Kimi K3 (kimi-k3)?
Use the official OpenAI SDK with base_url https://api.callaiapi.com/v1, your CallAI API key, and model "kimi-k3".
What does Kimi K3 cost?
Pay-as-you-go: input $3.30/1M tokens, output $16.50/1M tokens. Fund with USDT — no credit card required.
Can I use Kimi K3 in Cursor or Windsurf?
Yes. Set OpenAI Base URL to https://api.callaiapi.com/v1 and add model "kimi-k3" in Settings → Models.
Can I pay without a credit card?
Yes. Top up with USDT-TRC20 from $1. Balance never expires and works for Kimi K3 and other CallAI services.
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View all pricing →Ready to call Kimi K3?
USDT from $1 · no credit card · balance never expires.