grok-4.3
xAI model on KRX unified, OpenAI-compatible API. One key, lower prices, free welcome credit.
Input / 1M
$1.25
Output / 1M
$2.50
Context
1M
Provider
xAI
Call grok-4.3 in seconds
Drop your KRX key into any OpenAI client and point it at https://api.krxlab.com/v1. Billed per token, to the cent.
from openai import OpenAI
client = OpenAI(
base_url="https://api.krxlab.com/v1",
api_key="sk-krx-...",
)
resp = client.chat.completions.create(
model="grok-4.3",
messages=[{"role": "user", "content": "Hello!"}],
)
print(resp.choices[0].message.content)Start calling grok-4.3
Sign up, get your welcome credit, and call grok-4.3 — plus every other model — from one key in under a minute.