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

# open-webui vs prometheus-eval

Neutral, constraint-first comparison with live GitHub stats.

| | [open-webui](/tools/open-webui-open-webui.md) | [prometheus-eval](/tools/prometheus-eval-prometheus-eval.md) |
| --- | --- | --- |
| Tagline | User-friendly AI Interface (Supports Ollama, OpenAI API, ...) | Evaluate your LLM's response with Prometheus and GPT4 |
| Stars | 144,582 | 1,101 |
| Forks | 20,901 | 71 |
| Open issues | 339 | 14 |
| Language | Python | Python |
| License | Other | Apache-2.0 |
| Categories | Inference & Serving, LLM Frameworks | Evaluation & Observability |

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/graph?tool=open-webui-open-webui`](/api/graphcanon/graph?tool=open-webui-open-webui)
- 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/_