NVIDIA Build
build.nvidia.com
NVIDIA’s developer platform for free hosted NIM inference APIs, optimized models, and AI Blueprints—ideal for prototyping LLM apps and agentic workflows without GPU setup.
Google AI Studio
aistudio.google.com
Google AI Studio is Google's web-based platform for experimenting with the latest Gemini models. Prototype prompts, generate images/videos/music/speech, build conversational agents, and export code for the Gemini API. Free to use with generous limits for testing and development.