Prompt flow vs Ragas
A side-by-side comparison of two self-hosted self-hosted ai options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Prompt flow
Build and evaluate LLM application flows
VS
Ragas
Evaluation framework for retrieval-augmented generation
| Feature | Prompt flow | Ragas |
|---|---|---|
| Category | Self-Hosted AI | Self-Hosted AI |
| License | MIT | Apache-2.0 |
| Language | Python | Python |
| Setup difficulty | Medium | Medium |
| Min. RAM | 2,048 MB | 1,024 MB |
| Deployment | docker, source | source |
| GitHub stars | ★ 11,216 | ★ 15,177 |
| First released | 2023 | 2023 |
| Replaces | LangSmith, Vertex AI | LangSmith |
Why pick each one
Choose Prompt flow if…
- Released under the MIT license
- First-class Docker support for quick deployment
- Mature project with 11.2k GitHub stars
- Written in Python
Choose Ragas if…
- Released under the Apache-2.0 license
- Mature project with 15.2k GitHub stars
- Written in Python
Frequently asked questions
Is Prompt flow or Ragas better?
Neither is universally better. Ragas has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Prompt flow and Ragas free and open-source?
Yes. Prompt flow is licensed under MIT and Ragas under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Prompt flow and Ragas with Docker?
Prompt flow: yes. Ragas: check the project docs for container support.