Haystack vs Ludwig
A side-by-side comparison of Haystack and Ludwig — pricing, license, deployment, and where each tool wins.
Haystack
haystack.deepset.ai
A framework for building NLP applications (e.g. agents, semantic search, question-answering) with language models.
Ludwig
github.com
A low-code framework for building custom AI models like LLMs and other deep neural networks.
| Feature | Haystack | Ludwig |
|---|---|---|
| Pricing | Freemium | Free |
| Model | Freemium | Open-source |
| License | Proprietary | open-source |
| Deployment | Cloud | Cloud, Self-hosted |
| Category | Code & Development | Code & Development |
| Self-hosted | ✕No | ✓Yes |
| Free tier | ✓Yes | ✓Yes |
Pick Haystack if…
- ✓You prefer Haystack's feature set or ecosystem fit.
Pick Ludwig if…
- ✓You want full source-code access and no per-seat fees.
- ✓You need to self-host for compliance, privacy, or cost.
- ✓Broader tag coverage in our catalog (proxy for feature breadth).