---
title: "langwatch vs open-webui"
type: "comparison"
canonical_url: "https://www.graphcanon.com/compare/langwatch-langwatch-vs-open-webui-open-webui"
tools: ["langwatch-langwatch", "open-webui-open-webui"]
---

# langwatch vs open-webui

Neutral, constraint-first comparison with live GitHub stats.

| | [langwatch](/tools/langwatch-langwatch.md) | [open-webui](/tools/open-webui-open-webui.md) |
| --- | --- | --- |
| Tagline | Platform for LLM evaluations and AI agent testing | User-friendly AI Interface (Supports Ollama, OpenAI API, ...) |
| Stars | 3,326 | 144,582 |
| Forks | 327 | 20,901 |
| Open issues | 674 | 339 |
| Language | TypeScript | Python |
| License | Apache-2.0 | Other |
| Categories | Evaluation & Observability, Model Training | Inference & Serving, LLM Frameworks |

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/graph?tool=langwatch-langwatch`](/api/graphcanon/graph?tool=langwatch-langwatch)
- LLM index: [/llms.txt](/llms.txt)
- Full corpus: [/llms-full.txt](/llms-full.txt)

_GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_