Best Open Source AI Tools in 2026

Llama is Meta's family of open-source large language models available for research and commercial use.

Flux by Black Forest Labs is a state-of-the-art open image generation model rivaling Midjourney.

Aider is an open-source AI pair programming tool that edits code in your local git repository from the command line.

Vercel AI SDK is an open-source TypeScript library for building AI-powered streaming user interfaces.

Continue is an open-source AI coding assistant that connects any LLM to VS Code and JetBrains.

Stable Diffusion is a powerful open-source text-to-image AI model.

Gemma is Google's family of lightweight, open-source AI models built from Gemini research technology.