---
title: "holodeck vs VLN-CE"
type: "comparison"
canonical_url: "https://www.graphcanon.com/compare/byu-pccl-holodeck-vs-jacobkrantz-vln-ce"
tools: ["byu-pccl-holodeck", "jacobkrantz-vln-ce"]
---

# holodeck vs VLN-CE

*GraphCanon updated Jul 31, 2026*

## Verdict

Pick holodeck if holodeck is a high-fidelity simulator for reinforcement learning and robotics research in Python using Unreal Engine, suited for creating detailed simulated environments; pick VLN-CE if vLN-CE provides Python-based resources for Vision-and-Language Navigation research using Habitat. It uses the MIT license but the datasets adhere to Matterport3D terms.

[holodeck](https://holodeck.cs.byu.edu) reports 597 GitHub stars, 42 forks, and 52 open issues, last pushed Feb 19, 2022. [VLN-CE](https://jacobkrantz.github.io/vlnce/) has 844 stars, 90 forks, and 29 open issues, last pushed Jan 7, 2025. Figures are from public GitHub metadata via [holodeck's repository](https://github.com/BYU-PCCL/holodeck) and [VLN-CE's repository](https://github.com/jacobkrantz/VLN-CE).

| | [holodeck](/tools/byu-pccl-holodeck.md) | [VLN-CE](/tools/jacobkrantz-vln-ce.md) |
| --- | --- | --- |
| Tagline | High Fidelity Simulator for Reinforcement Learning and Robotics Research | Vision-and-Language Navigation in Continuous Environments using Habitat |
| Stars | 597 | 844 |
| Forks | 42 | 90 |
| Open issues | 52 | 29 |
| Language | Python | Python |
| Adopt for | Holodeck is a high-fidelity simulator for reinforcement learning and robotics research in Python using Unreal Engine, suited for creating detailed simulated environments. | VLN-CE provides Python-based resources for Vision-and-Language Navigation research using Habitat. It uses the MIT license but the datasets adhere to Matterport3D terms. |
| Persona | - | - |
| Runtime | - | - |
| License | MIT | MIT |
| Categories | Computer Vision, Model Training | Computer Vision, Model Training |

## Trust and health

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

| | [holodeck](/tools/byu-pccl-holodeck.md) | [VLN-CE](/tools/jacobkrantz-vln-ce.md) |
| --- | --- | --- |
| Days since push | 1623d | 569d |
| Open issues (now) | 52 | 29 |
| Owner type | Organization | User |
| Full report | [trust report](/tools/byu-pccl-holodeck/trust.md) | [trust report](/tools/jacobkrantz-vln-ce/trust.md) |

## Decision facts: holodeck

- **Adopt for:** Holodeck is a high-fidelity simulator for reinforcement learning and robotics research in Python using Unreal Engine, suited for creating detailed simulated environments.

## Decision facts: VLN-CE

- **Adopt for:** VLN-CE provides Python-based resources for Vision-and-Language Navigation research using Habitat. It uses the MIT license but the datasets adhere to Matterport3D terms.

## Choose when

### Choose holodeck if…

- Tags unique to holodeck: drones, reinforcement-learning, simulator, unreal-engine.
- - When you need to simulate complex robotics scenes in high fidelity that mirror real-world scenarios accurately

### Choose VLN-CE if…

- Tags unique to VLN-CE: deep-learning, python, research.
- When aiming to advance robotics navigation by training models on vision-language tasks with habitat-sim.
- More GitHub stars (844 vs 597) - visibility, not fit.

## When NOT to use holodeck

- - If your project is limited to simpler scenarios where less detailed simulations are acceptable for training reinforcement learning models
- - For projects with constraints on computing resources since Unreal Engine can be demanding and this limits its use in resource-constrained environments.

## When NOT to use VLN-CE

- Avoid if your project needs fully open datasets, as some VLN-CE components are restricted by Matterport3D license terms.
- Steer clear if you prefer tools with built-in support for environments other than those within the Habitat simulation framework.

## Common questions

### What is the difference between holodeck and VLN-CE?

holodeck: High Fidelity Simulator for Reinforcement Learning and Robotics Research. VLN-CE: Vision-and-Language Navigation in Continuous Environments using Habitat. See the comparison table for live GitHub stats and shared categories.

### When should I choose holodeck over VLN-CE?

Choose holodeck over VLN-CE when Tags unique to holodeck: drones, reinforcement-learning, simulator, unreal-engine; - When you need to simulate complex robotics scenes in high fidelity that mirror real-world scenarios accurately.

### When should I choose VLN-CE over holodeck?

Choose VLN-CE over holodeck when Tags unique to VLN-CE: deep-learning, python, research; When aiming to advance robotics navigation by training models on vision-language tasks with habitat-sim; More GitHub stars (844 vs 597) - visibility, not fit.

### When should I avoid holodeck?

- If your project is limited to simpler scenarios where less detailed simulations are acceptable for training reinforcement learning models - For projects with constraints on computing resources since Unreal Engine can be demanding and this limits its use in resource-constrained environments.

### When should I avoid VLN-CE?

Avoid if your project needs fully open datasets, as some VLN-CE components are restricted by Matterport3D license terms. Steer clear if you prefer tools with built-in support for environments other than those within the Habitat simulation framework.

### Is holodeck or VLN-CE more popular on GitHub?

VLN-CE has more GitHub stars (844 vs 597). Stars measure visibility, not whether either tool fits your constraints.

### Are holodeck and VLN-CE open source?

Yes - both are open-source projects on GitHub (holodeck: MIT, VLN-CE: MIT).

### Where can I find alternatives to holodeck or VLN-CE?

GraphCanon lists graph-backed alternatives at [holodeck alternatives](/tools/byu-pccl-holodeck/alternatives) and [VLN-CE alternatives](/tools/jacobkrantz-vln-ce/alternatives) ([holodeck markdown twin](/tools/byu-pccl-holodeck/alternatives.md), [VLN-CE markdown twin](/tools/jacobkrantz-vln-ce/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/byu-pccl-holodeck-vs-jacobkrantz-vln-ce.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.

### Which is better maintained, holodeck or VLN-CE?

holodeck: Dormant. VLN-CE: Dormant. 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 holodeck and VLN-CE?

GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [holodeck trust report](/tools/byu-pccl-holodeck/trust); [VLN-CE trust report](/tools/jacobkrantz-vln-ce/trust).

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/graph?tool=byu-pccl-holodeck`](/api/graphcanon/graph?tool=byu-pccl-holodeck)
- 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/_
