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

# haystack vs prompts.chat

Neutral, constraint-first comparison with live GitHub stats.

| | [haystack](/tools/deepset-ai-haystack.md) | [prompts.chat](/tools/f-prompts-chat.md) |
| --- | --- | --- |
| Tagline | Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. | The world's largest open-source prompt library for AI |
| Stars | 25,842 | 165,025 |
| Forks | 2,901 | 21,363 |
| Open issues | 112 | 59 |
| Language | MDX | HTML |
| License | Apache-2.0 | Other |
| Categories | Model Training, AI Agents, Inference & Serving | LLM Frameworks, Developer Tools |

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/graph?tool=deepset-ai-haystack`](/api/graphcanon/graph?tool=deepset-ai-haystack)
- 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/_