---
title: "prompts.chat vs trulens"
type: "comparison"
canonical_url: "https://www.graphcanon.com/compare/f-prompts-chat-vs-truera-trulens"
tools: ["f-prompts-chat", "truera-trulens"]
---

# prompts.chat vs trulens

Neutral, constraint-first comparison with live GitHub stats.

| | [prompts.chat](/tools/f-prompts-chat.md) | [trulens](/tools/truera-trulens.md) |
| --- | --- | --- |
| Tagline | The world's largest open-source prompt library for AI | Evaluation and Tracking for LLM Experiments and AI Agents |
| Stars | 165,025 | 3,428 |
| Forks | 21,363 | 309 |
| Open issues | 59 | 104 |
| Language | HTML | Python |
| License | Other | MIT |
| Categories | LLM Frameworks, Developer Tools | Evaluation & Observability |

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/graph?tool=f-prompts-chat`](/api/graphcanon/graph?tool=f-prompts-chat)
- 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/_