---
title: "habitat-sim vs Amphion"
type: "comparison"
canonical_url: "https://www.graphcanon.com/compare/facebookresearch-habitat-sim-vs-open-mmlab-amphion"
tools: ["facebookresearch-habitat-sim", "open-mmlab-amphion"]
---

# habitat-sim vs Amphion

*GraphCanon updated Jul 11, 2026*

## Verdict

Pick habitat-sim when habitat-sim is primarily C++; Amphion is Python; pick Amphion when amphion is primarily Python; habitat-sim is C++.

[habitat-sim](https://aihabitat.org/) reports 3.7k GitHub stars, 538 forks, and 269 open issues, last pushed May 7, 2026. [Amphion](https://openhlt.github.io/amphion/) has 9.9k stars, 822 forks, and 175 open issues, last pushed Mar 25, 2026. Figures are from public GitHub metadata via [habitat-sim's repository](https://github.com/facebookresearch/habitat-sim) and [Amphion's repository](https://github.com/open-mmlab/Amphion).

| | [habitat-sim](/tools/facebookresearch-habitat-sim.md) | [Amphion](/tools/open-mmlab-amphion.md) |
| --- | --- | --- |
| Tagline | A flexible, high-performance 3D simulator for Embodied AI research. | Amphion (/æmˈfaɪən/) is a toolkit for Audio, Music, and Speech Generation. Its purpose is to support reproducible research and help junior researchers and engineers get started in the field of audio,  |
| Stars | 3,742 | 9,927 |
| Forks | 538 | 822 |
| Open issues | 269 | 175 |
| Language | C++ | Python |
| Adopt for | - | - |
| Persona | - | - |
| Runtime | - | - |
| License | MIT | MIT |
| Categories | Computer Vision | Inference & Serving, Speech & Audio, Computer Vision |

## Trust and health

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

| | [habitat-sim](/tools/facebookresearch-habitat-sim.md) | [Amphion](/tools/open-mmlab-amphion.md) |
| --- | --- | --- |
| Maintenance | Steady (60%) | Slowing (36%) |
| Days since push | 64d | 107d |
| Open issues (now) | 269 | 175 |
| Security scan | 6 low (6 low) | No lockfile |
| Full report | [trust report](/tools/facebookresearch-habitat-sim/trust.md) | [trust report](/tools/open-mmlab-amphion/trust.md) |

## Shared compatibility

- **Python**: [habitat-sim](/tools/facebookresearch-habitat-sim.md) - Python runtime; [Amphion](/tools/open-mmlab-amphion.md) - Python runtime

## Choose when

### Choose habitat-sim if…

- habitat-sim is primarily C++; Amphion is Python.
- Tags unique to habitat-sim: ai, sim2real, robotics, c++.
- More recently updated (last pushed May 7, 2026).

### Choose Amphion if…

- Amphion is primarily Python; habitat-sim is C++.
- Tags unique to Amphion: audioldm, audio-synthesis, audio-generation, emilia.
- Also covers Inference & Serving, Speech & Audio.
- Amphion ships Docker support for self-hosted deployment.

## When NOT to use Amphion

- Last GitHub push was 108 days ago (slowing maintenance, Mar 25, 2026). Validate activity before betting a new project on Amphion.
- Inference & Serving: Self-hosting rarely beats a hosted API on cost until you have steady, high-volume traffic.

## Common questions

### What is the difference between habitat-sim and Amphion?

habitat-sim: A flexible, high-performance 3D simulator for Embodied AI research.. Amphion: Amphion (/æmˈfaɪən/) is a toolkit for Audio, Music, and Speech Generation. Its purpose is to support reproducible research and help junior researchers and engineers get started in the field of audio, . See the comparison table for live GitHub stats and shared categories.

### When should I choose habitat-sim over Amphion?

Choose habitat-sim over Amphion when habitat-sim is primarily C++; Amphion is Python; Tags unique to habitat-sim: ai, sim2real, robotics, c++; More recently updated (last pushed May 7, 2026).

### When should I choose Amphion over habitat-sim?

Choose Amphion over habitat-sim when Amphion is primarily Python; habitat-sim is C++; Tags unique to Amphion: audioldm, audio-synthesis, audio-generation, emilia; Also covers Inference & Serving, Speech & Audio; Amphion ships Docker support for self-hosted deployment.

### When should I avoid Amphion?

Last GitHub push was 108 days ago (slowing maintenance, Mar 25, 2026). Validate activity before betting a new project on Amphion. Inference & Serving: Self-hosting rarely beats a hosted API on cost until you have steady, high-volume traffic.

### Is habitat-sim or Amphion more popular on GitHub?

Amphion has more GitHub stars (9,927 vs 3,742). Stars measure visibility, not whether either tool fits your constraints.

### Are habitat-sim and Amphion open source?

Yes - both are open-source projects on GitHub (habitat-sim: MIT, Amphion: MIT).

### Where can I find alternatives to habitat-sim or Amphion?

GraphCanon lists graph-backed alternatives at [habitat-sim alternatives](/tools/facebookresearch-habitat-sim/alternatives) and [Amphion alternatives](/tools/open-mmlab-amphion/alternatives) ([habitat-sim markdown twin](/tools/facebookresearch-habitat-sim/alternatives.md), [Amphion markdown twin](/tools/open-mmlab-amphion/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/facebookresearch-habitat-sim-vs-open-mmlab-amphion.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.

### Which is better maintained, habitat-sim or Amphion?

habitat-sim: Steady. Amphion: Slowing. 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 habitat-sim and Amphion?

GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [habitat-sim trust report](/tools/facebookresearch-habitat-sim/trust); [Amphion trust report](/tools/open-mmlab-amphion/trust).

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/graph?tool=facebookresearch-habitat-sim`](/api/graphcanon/graph?tool=facebookresearch-habitat-sim)
- 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/_
