7 of 10 recorded facts differ. Everything below is source-reported with a capture date. Niched has not published a buyer verdict for this pair, so nothing here declares a winner. A winner only exists inside a defined buyer niche with stated constraints.
FastGPT is a knowledge-based platform built on the LLMs, offers a comprehensive suite of out-of-the-box capabilities such as data processing, RAG retrieval, and visual AI workflow orchestration, letting you easily develo. FastGPT is open source, written primarily in TypeScript, released under Other. Its repository has 29.2K GitHub stars and 7.2K forks, and was last committed to within the last two weeks. Niched places it in AI agents & autonomous workflows, Docs & knowledge bases.
Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generatio. haystack is open source, written primarily in Python, released under Apache License 2.0. Its repository has 26.1K GitHub stars and 3K forks, and was last committed to within the last two weeks. Niched places it in AI agents & autonomous workflows.