I Got Access to 136 AI Models for Free — NVIDIA NIM API Deep Dive

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.nvidi