---
title: "LLMDebugger vs PurpleLlama"
type: "comparison"
canonical_url: "https://www.graphcanon.com/compare/floridsleeves-llmdebugger-vs-meta-llama-purplellama"
tools: ["floridsleeves-llmdebugger", "meta-llama-purplellama"]
---

# LLMDebugger vs PurpleLlama

*GraphCanon updated Aug 5, 2026*

## Verdict

Pick LLMDebugger if lLMDebugger offers step-by-step verification of runtime execution for large language models; pick PurpleLlama if purpleLlama provides tools to enhance the security and trust of large language models using MIT licenses for benchmarks and community-specific licenses for safeguard components.

[LLMDebugger](https://github.com/FloridSleeves/LLMDebugger) reports 587 GitHub stars, 56 forks, and 5 open issues, last pushed Sep 10, 2024. [PurpleLlama](https://github.com/meta-llama/PurpleLlama) has 4.3k stars, 766 forks, and 80 open issues, last pushed Jul 27, 2026. Figures are from public GitHub metadata via [LLMDebugger's repository](https://github.com/FloridSleeves/LLMDebugger) and [PurpleLlama's repository](https://github.com/meta-llama/PurpleLlama).

| | [LLMDebugger](/tools/floridsleeves-llmdebugger.md) | [PurpleLlama](/tools/meta-llama-purplellama.md) |
| --- | --- | --- |
| Tagline | A Large Language Model Debugger verifying runtime execution step by step | Set of tools to assess and improve LLM security |
| Stars | 587 | 4,330 |
| Forks | 56 | 766 |
| Open issues | 5 | 80 |
| Language | Python | Python |
| Adopt for | LLMDebugger offers step-by-step verification of runtime execution for large language models. | PurpleLlama provides tools to enhance the security and trust of large language models using MIT licenses for benchmarks and community-specific licenses for safeguard components. |
| Persona | - | - |
| Runtime | - | - |
| License | The LLMDebugger is distributed under the Apache-2.0 license. | Other |
| Categories | Developer Tools, Evaluation & Observability | Developer Tools, Evaluation & Observability |

## Trust and health

_Sourced signals - not a safety guarantee. No winner column._

| | [LLMDebugger](/tools/floridsleeves-llmdebugger.md) | [PurpleLlama](/tools/meta-llama-purplellama.md) |
| --- | --- | --- |
| Maintenance | Dormant (18%) | Active (82%) |
| Days since push | 693d | 8d |
| Open issues (now) | 5 | 80 |
| Owner type | User | Organization |
| Full report | [trust report](/tools/floridsleeves-llmdebugger/trust.md) | [trust report](/tools/meta-llama-purplellama/trust.md) |

## Decision facts: LLMDebugger

- **Pricing:** freemium - Free for use, based on its open-source nature with an Apache-2.0 license.
- **Adopt for:** LLMDebugger offers step-by-step verification of runtime execution for large language models.
- **License detail:** The LLMDebugger is distributed under the Apache-2.0 license.

## Decision facts: PurpleLlama

- **Adopt for:** PurpleLlama provides tools to enhance the security and trust of large language models using MIT licenses for benchmarks and community-specific licenses for safeguard components.

## Choose when

### Choose LLMDebugger if…

- License: LLMDebugger is Apache-2.0, PurpleLlama is Other.
- Pricing: Free for use, based on its open-source nature with an Apache-2.0 license..
- Tags unique to LLMDebugger: acl'24, llm debugging, python debugger for ai, runtime verification.
- When detailed step-by-step inspection of the runtime behavior of large language models is required, LLMDebugger can provide precise insights into each execution phase.

### Choose PurpleLlama if…

- License: PurpleLlama is Other, LLMDebugger is Apache-2.0.
- Tags unique to PurpleLlama: benchmarks, evaluations, llm security tools, security.
- When you need permissive licenses that fit both research and commercial purposes

## When NOT to use LLMDebugger

- Avoid using if you are only interested in higher-level performance metrics rather than the intricate details of runtime behavior, as LLMDebugger emphasizes step-by-step execution.
- Not recommended for teams lacking experience with Python or specific to this tool's installation and usage workflow that involves setting up a Conda environment.

## When NOT to use PurpleLlama

- If your project requires consistent licensing across all components under one standard license like GPL or Apache-2.0
- When you prefer not to adhere to the Llama Community Licenses for safeguard functionalities

## Common questions

### What is the difference between LLMDebugger and PurpleLlama?

LLMDebugger: A Large Language Model Debugger verifying runtime execution step by step. PurpleLlama: Set of tools to assess and improve LLM security. See the comparison table for live GitHub stats and shared categories.

### When should I choose LLMDebugger over PurpleLlama?

Choose LLMDebugger over PurpleLlama when License: LLMDebugger is Apache-2.0, PurpleLlama is Other; Pricing: Free for use, based on its open-source nature with an Apache-2.0 license.; Tags unique to LLMDebugger: acl'24, llm debugging, python debugger for ai, runtime verification; When detailed step-by-step inspection of the runtime behavior of large language models is required, LLMDebugger can provide precise insights into each execution phase.

### When should I choose PurpleLlama over LLMDebugger?

Choose PurpleLlama over LLMDebugger when License: PurpleLlama is Other, LLMDebugger is Apache-2.0; Tags unique to PurpleLlama: benchmarks, evaluations, llm security tools, security; When you need permissive licenses that fit both research and commercial purposes.

### When should I avoid LLMDebugger?

Avoid using if you are only interested in higher-level performance metrics rather than the intricate details of runtime behavior, as LLMDebugger emphasizes step-by-step execution. Not recommended for teams lacking experience with Python or specific to this tool's installation and usage workflow that involves setting up a Conda environment.

### When should I avoid PurpleLlama?

If your project requires consistent licensing across all components under one standard license like GPL or Apache-2.0 When you prefer not to adhere to the Llama Community Licenses for safeguard functionalities

### Is LLMDebugger or PurpleLlama more popular on GitHub?

PurpleLlama has more GitHub stars (4,330 vs 587). Stars measure visibility, not whether either tool fits your constraints.

### Are LLMDebugger and PurpleLlama open source?

Yes - both are open-source projects on GitHub (LLMDebugger: Apache-2.0, PurpleLlama: Other).

### Where can I find alternatives to LLMDebugger or PurpleLlama?

GraphCanon lists graph-backed alternatives at [LLMDebugger alternatives](/tools/floridsleeves-llmdebugger/alternatives) and [PurpleLlama alternatives](/tools/meta-llama-purplellama/alternatives) ([LLMDebugger markdown twin](/tools/floridsleeves-llmdebugger/alternatives.md), [PurpleLlama markdown twin](/tools/meta-llama-purplellama/alternatives.md)), ranked by typed relationship edges rather than popularity votes.

### Is there a machine-readable version of this comparison?

Yes. The markdown twin at [this comparison](/compare/floridsleeves-llmdebugger-vs-meta-llama-purplellama.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.

### Which is better maintained, LLMDebugger or PurpleLlama?

LLMDebugger: Dormant. PurpleLlama: Active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.

### Where are the full trust reports for LLMDebugger and PurpleLlama?

GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [LLMDebugger trust report](/tools/floridsleeves-llmdebugger/trust); [PurpleLlama trust report](/tools/meta-llama-purplellama/trust).

---

**Machine-readable endpoints**

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