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.
OpenAI's model excelling at coding, writing, and reasoning.
GPT-5.6 Luna is an OpenAI GPT-5.6 model optimized for cost-sensitive workloads, using the Responses API for efficient text generation.
from openai import OpenAI
client = OpenAI(
base_url="https://api.aigateway.sh/v1",
api_key="sk-aig-...",
)
# GPT-5
client.chat.completions.create(
model="openai/gpt-5",
messages=[{"role":"user","content":"hello"}],
)
# GPT-5.6 Luna
client.chat.completions.create(
model="openai/gpt-5.6-luna",
messages=[{"role":"user","content":"hello"}],
)