Developer / API

Build with the most
powerful AI models.

Frontier models for reasoning, voice, vision, and more. One unified API, every modality, production-ready in minutes.

from xai_sdk import Client
from xai_sdk.chat import user

client = Client(api_key=os.getenv("XAI_API_KEY"))
chat = client.chat.create(model="grok-4.5")
chat.append(user("Explain quantum computing"))
print(chat.sample().content)
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Capabilities

Every modality.
One API.

01

Text generation

Production-grade intelligence with low latency, unified billing and a developer-first interface.

02

Code

Production-grade intelligence with low latency, unified billing and a developer-first interface.

03

Voice API

Production-grade intelligence with low latency, unified billing and a developer-first interface.

04

Live search

Production-grade intelligence with low latency, unified billing and a developer-first interface.

05

Image + video

Production-grade intelligence with low latency, unified billing and a developer-first interface.

06

File management

Production-grade intelligence with low latency, unified billing and a developer-first interface.