Comparison
habitat-sim vs 3D-Mem
Verdict
Pick habitat-sim if habitat-Sim is ideal for researchers and developers needing high-performance simulation capabilities for 3D environments in Embodied AI; pick 3D-Mem if 3D-Mem excels in environments where embodied AI needs spatial intelligence for exploration and reasoning in 3D scenes.
Markdown twin · habitat-sim alternatives · 3D-Mem alternatives
GraphCanon updated 3w
vs
Trust & integrity
| Signal | habitat-sim | 3D-Mem |
|---|---|---|
| Maintenance | Active (9d since push) As of 3w · github_public_v1 | Slowing (302d since push) As of 3w · github_public_v1 |
| Provenance | Not a fork · Organization account As of 3w · github_public_v1 | Not a fork · Organization account As of 3w · github_public_v1 |
| OSV dependency advisories | Published findings As of 1mo · osv@v1 | No lockfile (source not queried) As of 1mo · osv@v1 |
| deps.dev advisories | Not queried deps.dev@v1 | Not queried deps.dev@v1 |
| OpenSSF Scorecard | Not queried openssf-scorecard@v1 | Not queried openssf-scorecard@v1 |
Tagline
- habitat-sim
- A flexible, high-performance 3D simulator for Embodied AI research
- 3D-Mem
- 3D scene memory for embodied AI exploration and reasoning
Stars
- habitat-sim
- 3.8k
- 3D-Mem
- 270
Forks
- habitat-sim
- 544
- 3D-Mem
- 17
Open issues
- habitat-sim
- 270
- 3D-Mem
- 3
Language
- habitat-sim
- C++
- 3D-Mem
- Python
Adopt for
- habitat-sim
- Habitat-Sim is ideal for researchers and developers needing high-performance simulation capabilities for 3D environments in Embodied AI.
- 3D-Mem
- 3D-Mem excels in environments where embodied AI needs spatial intelligence for exploration and reasoning in 3D scenes.
Persona
- habitat-sim
- -
- 3D-Mem
- -
Runtime
- habitat-sim
- -
- 3D-Mem
- -
License
- habitat-sim
- The library is distributed under the MIT license, which allows for free use in both open-source and proprietary software.
- 3D-Mem
- MIT
Last pushed
- habitat-sim
- Jul 21, 2026
- 3D-Mem
- Oct 2, 2025
Categories
- habitat-sim
- Computer Vision
- 3D-Mem
- Computer Vision
Trust and health
Maintenance
- habitat-sim
- Active (82%)
- 3D-Mem
- Slowing (36%)
Days since push
- habitat-sim
- 9d
- 3D-Mem
- 302d
Open issues (now)
- habitat-sim
- 270
- 3D-Mem
- 3
OSV dependency advisories
- habitat-sim
- Published findings
- 3D-Mem
- No lockfile (source not queried)
Full report
- habitat-sim
- Trust report
- 3D-Mem
- Trust report
Shared compatibility
- Python · habitat-sim: Python runtime · 3D-Mem: Python runtime
Choose habitat-sim if…
- habitat-sim is primarily C++; 3D-Mem is Python.
- Requirements: Installation can be done via Conda, pip, Docker, or building from source. Building from source requires C++ development environment setup..
- Tags unique to habitat-sim: computer-vision, cplusplus, robotics, sim2real.
- When you require high performance simulation of 3D environments for research in embodied artificial intelligence
When NOT to use habitat-sim
- If your project does not require the performance characteristics that Habitat-Sim provides for embodied AI research; a less specialized tool might be sufficient or more user-friendly
- When you have limited development resources since building from source requires an understanding of C++ and handling potential build issues could divert significant effort
Choose 3D-Mem if…
- 3D-Mem is primarily Python; habitat-sim is C++.
- Tags unique to 3D-Mem: embodied-ai, spatial-intelligence.
- Use if your project involves embodied AI systems that require detailed scene understanding in 3D
When NOT to use 3D-Mem
- Avoid for environments where 2D image analysis suffices over deeper 3D spatial reasoning
- This may not be suitable if real-time performance is more critical than the richness of 3D scene intelligence
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (facebookresearch/habitat-sim) · observed Jul 31, 2026
- GitHub forks (facebookresearch/habitat-sim) · observed Jul 31, 2026
- Last push (facebookresearch/habitat-sim) · observed Jul 21, 2026
- License file (MIT) · observed Jul 31, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (UMass-Embodied-AGI/3D-Mem) · observed Aug 1, 2026
- GitHub forks (UMass-Embodied-AGI/3D-Mem) · observed Aug 1, 2026
- Last push (UMass-Embodied-AGI/3D-Mem) · observed Oct 2, 2025
- License file (MIT) · observed Aug 1, 2026
- Decision facts (enrichment) · observed Jul 16, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: habitat-sim 3.8k · 3D-Mem 270 (synced Jul 31, 2026).
Common questions
- What is the difference between habitat-sim and 3D-Mem?
- habitat-sim: A flexible, high-performance 3D simulator for Embodied AI research. 3D-Mem: 3D scene memory for embodied AI exploration and reasoning. See the comparison table for live GitHub stats and shared categories.
- When should I choose habitat-sim over 3D-Mem?
- Choose habitat-sim over 3D-Mem when habitat-sim is primarily C++; 3D-Mem is Python; Requirements: Installation can be done via Conda, pip, Docker, or building from source. Building from source requires C++ development environment setup.; Tags unique to habitat-sim: computer-vision, cplusplus, robotics, sim2real; When you require high performance simulation of 3D environments for research in embodied artificial intelligence.
- When should I choose 3D-Mem over habitat-sim?
- Choose 3D-Mem over habitat-sim when 3D-Mem is primarily Python; habitat-sim is C++; Tags unique to 3D-Mem: embodied-ai, spatial-intelligence; Use if your project involves embodied AI systems that require detailed scene understanding in 3D.
- When should I avoid habitat-sim?
- If your project does not require the performance characteristics that Habitat-Sim provides for embodied AI research; a less specialized tool might be sufficient or more user-friendly When you have limited development resources since building from source requires an understanding of C++ and handling potential build issues could divert significant effort
- When should I avoid 3D-Mem?
- Avoid for environments where 2D image analysis suffices over deeper 3D spatial reasoning This may not be suitable if real-time performance is more critical than the richness of 3D scene intelligence
- Is habitat-sim or 3D-Mem more popular on GitHub?
- habitat-sim has more GitHub stars (3,765 vs 270). Stars measure visibility, not whether either tool fits your constraints.
- Are habitat-sim and 3D-Mem open source?
- Yes - both are open-source projects on GitHub (habitat-sim: MIT, 3D-Mem: MIT).
- Where can I find alternatives to habitat-sim or 3D-Mem?
- GraphCanon lists graph-backed alternatives at habitat-sim alternatives and 3D-Mem alternatives (habitat-sim markdown twin, 3D-Mem markdown twin), 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 mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
- Which is better maintained, habitat-sim or 3D-Mem?
- habitat-sim: Active. 3D-Mem: 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 3D-Mem?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: habitat-sim trust report; 3D-Mem trust report.