Pricing per million tokens, context window, capabilities — pulled from each provider's public docs. All 2 are available via the same AIgateway OpenAI-compatible endpoint; flip the model string to switch.
xAI's Grok 4.6, a flagship reasoning model for coding, agentic tasks, and visual work. Accepts text and image inputs, and supports function calling and structured outputs.
xAI's Grok 4.20 reasoning model. Uses extended thinking to work through complex problems, returning a reasoning trace alongside the final answer.
from openai import OpenAI
client = OpenAI(
base_url="https://api.aigateway.sh/v1",
api_key="sk-aig-...",
)
# Grok 4.6
client.chat.completions.create(
model="xai/grok-4.6",
messages=[{"role":"user","content":"hello"}],
)
# Grok 4.20 Reasoning
client.chat.completions.create(
model="xai/grok-4.20-0309-reasoning",
messages=[{"role":"user","content":"hello"}],
)