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.
GPT-4.1 Nano is OpenAI’s smallest and cheapest GPT-4.1 variant, optimized for high-throughput, low-latency tasks.
GPT-4o is OpenAI’s multimodal flagship, accepting text and images and responding quickly across a wide range of tasks.
from openai import OpenAI
client = OpenAI(
base_url="https://api.aigateway.sh/v1",
api_key="sk-aig-...",
)
# GPT-4.1 Nano
client.chat.completions.create(
model="openai/gpt-4.1-nano",
messages=[{"role":"user","content":"hello"}],
)
# GPT-4o
client.chat.completions.create(
model="openai/gpt-4o",
messages=[{"role":"user","content":"hello"}],
)