Grok 4 Heavy
xAI
Chat
Reasoning
Tool Calling
Vision
xai/grok-4-heavy
Run inference
python
from openai import OpenAI
client = OpenAI(
base_url="https://api.sylicaai.com/v1",
api_key="YOUR_SYLICA_API_KEY",
)
response = client.chat.completions.create(
model="xai/grok-4-heavy",
messages=[
{"role": "user", "content": "What are some fun things to do in New York?"}
],
)
print(response.choices[0].message.content)
AuthorxAI
ReleasedCatalog default
External linkhttps://docs.x.ai
CategoryReasoning chat
Context length256,000 tokens (256K)
Pricing (per 1M tokens)$10.00 in / $30.00 out
DeploymentPublished
Input modalitiesText, Image
Output modalitiesText
FeaturesChat, Reasoning, Tool Calling, Vision