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 Grok 4 — frontier reasoning, tool use, long context.
Alibaba's HappyHorse 1.0 text-to-video model. Generates videos from a text prompt with configurable resolution, aspect ratio, and duration (3-15s).
from openai import OpenAI
client = OpenAI(
base_url="https://api.aigateway.sh/v1",
api_key="sk-aig-...",
)
# Grok 4
client.chat.completions.create(
model="xai/grok-4",
messages=[{"role":"user","content":"hello"}],
)
# HappyHorse 1.0 T2V
client.chat.completions.create(
model="alibaba/hh1-t2v",
messages=[{"role":"user","content":"hello"}],
)