AG2 vs OGX (formerly Llama Stack)

AG2 and OGX (formerly Llama Stack) are both agent frameworks. AG2 is published by AG2 and OGX (formerly Llama Stack) by OGX. On GitHub, OGX (formerly Llama Stack) has 8,444 stars and AG2 has 5,016. Both were last active in Oct 2026. The table lines up where they differ (publisher, license, weekly downloads and category) and has the install commands for both. Everything here comes from the listings' public sources and is refreshed daily. AG2 describes itself as: Open-source Python framework for AI agents that cooperate on tasks, with human-in-the-loop workflows and multi-agent patterns. OGX (formerly Llama Stack): OpenAI-compatible agentic API server for inference, vector stores, files and skills, on any model or infrastructure. Licenses: AG2 Apache-2.0, OGX (formerly Llama Stack) MIT.