NVIDIA quietly built one of the most impressive AI APIs out there — and most developers don't know it exists. NVIDIA NIM (NVIDIA Inference Microservices) gives you OpenAI-compatible access to 136 models through a single endpoint. We're talking Llama 405B, Kimi K2, Mistral Large 3 675B, Qwen3-Coder 480B. All behind the same interface you already know. Here's what I found after testing them all. Setup (60 seconds) from openai import OpenAI client = OpenAI ( base_url = " https://integrate.api.nvidia.com/v1 " , api_key = " nvapi-YOUR_KEY_HERE " ) Enter fullscreen mode Exit fullscreen mode That's it. Get your key at build.nvidia.com . Free tier included. The 136 Models — What's Actually in There import requests headers = { " Authorization " : f " Bearer { api_key } " } response = requests . get ( " https://integrate.api.nvidia.com/v1/models " , headers = headers ) models = response .…