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.
Gemini 3 Flash is Google's fast multimodal model with frontier intelligence, superior search, and grounding capabilities.
OpenAI's fast, lightweight reasoning model optimized for multi-step problem solving at lower cost.
Source: each provider's published benchmarks. Higher is better. Run an eval to compare on your own data.
from openai import OpenAI
client = OpenAI(
base_url="https://api.aigateway.sh/v1",
api_key="sk-aig-...",
)
# Gemini 3 Flash
client.chat.completions.create(
model="google/gemini-3-flash",
messages=[{"role":"user","content":"hello"}],
)
# O4-Mini
client.chat.completions.create(
model="openai/o4-mini",
messages=[{"role":"user","content":"hello"}],
)