Open Source AI FAQ: Definitions, Licenses, Models and Tools
Updated:
Plain answers to the questions people ask about open source AI: what counts as open, which licenses allow commercial use, and which tools are open.
Open Source AI
Open models, open tools, model licensing, and the philosophy of open source applied to AI. The Open Source AI Hub and its chapters.
Why Choose Open Source AI, and When Not To
Updated:
The honest case for open models: data control, cost shape, no lock-in, auditability, sovereignty, the real trade-offs, and when proprietary wins.
Filed Under:
AI · Open Source AI · Generative AI · On-Premise AI · open source AI · open-weight models · Private AI
Open Source AI Coding Assistants: OpenCode, Aider, Cline, Continue, Roo Code, Tabby, OpenHands and Goose
Updated:
The open source coding assistants that work with local models, how they compare with Claude Code, Copilot and Codex, and how I run OpenCode with Ollama.
The Open Source AI Toolbox: Runtimes, UIs, RAG, Fine-Tuning, Evaluation and Observability
Updated:
The open source tools I use and recommend for running, serving, building on, fine-tuning and evaluating open models, with each tool's license stated.
Filed Under:
AI · Open Source AI · fine-tuning · Hugging Face · llama.cpp · LLM · Ollama · open source AI · RAG · vLLM
The Open Model Landscape: Llama, Qwen, DeepSeek, Gemma, Mistral, gpt-oss and How to Choose
Updated:
A reviewed map of open-weight model families by maker, task and size, with licenses, quantization explained, and a way to pick one for your hardware.
Filed Under:
AI · Open Source AI · Hugging Face · LLM · open source AI · open-weight models · quantization
Open Model Licenses Compared: Apache-2.0, MIT, Llama, Gemma, RAIL and the EU AI Act
Updated:
What Apache-2.0, MIT, the Llama Community License, Gemma Terms, RAIL and Mistral's licenses actually require, plus a checklist to run before you ship.
Filed Under:
AI · Open Source AI · AI regulation · model licensing · open source AI · open-weight models
What Is Open Source AI? Open Weights vs Open Source vs Open Data
Updated:
Open weights are not open source. The OSI's Open Source AI Definition, the spectrum from OLMo to Llama to closed, and why the difference matters.
Filed Under:
AI · Open Source AI · Generative AI · model licensing · open source AI · open-weight models
Free Software vs Open Source: The History and Philosophy Behind the Licenses
Updated:
From GNU in 1983 to the OSI in 1998: how free software and open source split, what copyleft means, and why that history decides how we judge open AI.
Filed Under:
AI · Open Source AI · free software · model licensing · open source AI · Open Source India
Open Source AI Hub
Updated:
Open source AI consulting and guides by Zareef Ahmed: what open source AI means, how model licenses work, and which open models and tools to choose.
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