Comparison
holodeck vs 3D-Mem
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 3D-Mem if 3D-Mem excels in environments where embodied AI needs spatial intelligence for exploration and reasoning in 3D scenes.
Markdown twin · holodeck alternatives · 3D-Mem alternatives
GraphCanon updated 3w
vs
Trust & integrity
| Signal | holodeck | 3D-Mem |
|---|---|---|
| Maintenance | Dormant (1623d 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 | No lockfile (source not queried) 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
- holodeck
- High Fidelity Simulator for Reinforcement Learning and Robotics Research
- 3D-Mem
- 3D scene memory for embodied AI exploration and reasoning
Stars
- holodeck
- 597
- 3D-Mem
- 270
Forks
- holodeck
- 42
- 3D-Mem
- 17
Open issues
- holodeck
- 52
- 3D-Mem
- 3
Language
- holodeck
- Python
- 3D-Mem
- Python
Adopt for
- holodeck
- Holodeck is a high-fidelity simulator for reinforcement learning and robotics research in Python using Unreal Engine, suited for creating detailed simulated environments.
- 3D-Mem
- 3D-Mem excels in environments where embodied AI needs spatial intelligence for exploration and reasoning in 3D scenes.
Persona
- holodeck
- -
- 3D-Mem
- -
Runtime
- holodeck
- -
- 3D-Mem
- -
License
- holodeck
- MIT
- 3D-Mem
- MIT
Last pushed
- holodeck
- Feb 19, 2022
- 3D-Mem
- Oct 2, 2025
Categories
- holodeck
- Computer Vision, Model Training
- 3D-Mem
- Computer Vision
Trust and health
Maintenance
- holodeck
- Dormant (18%)
- 3D-Mem
- Slowing (36%)
Days since push
- holodeck
- 1623d
- 3D-Mem
- 302d
Open issues (now)
- holodeck
- 52
- 3D-Mem
- 3
Full report
- holodeck
- Trust report
- 3D-Mem
- Trust report
Shared compatibility
- Python · holodeck: Python runtime · 3D-Mem: Python runtime
Choose holodeck if…
- Tags unique to holodeck: computer-vision, drones, reinforcement-learning, robotics.
- Also covers Model Training.
- - When you need to simulate complex robotics scenes in high fidelity that mirror real-world scenarios accurately
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.
Choose 3D-Mem if…
- Tags unique to 3D-Mem: embodied-ai, spatial-intelligence.
- Use if your project involves embodied AI systems that require detailed scene understanding in 3D
- More recently updated (last pushed Oct 2, 2025).
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 (BYU-PCCL/holodeck) · observed Jul 31, 2026
- GitHub forks (BYU-PCCL/holodeck) · observed Jul 31, 2026
- Last push (BYU-PCCL/holodeck) · observed Feb 19, 2022
- 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: holodeck 597 · 3D-Mem 270 (synced Jul 31, 2026).
Common questions
- What is the difference between holodeck and 3D-Mem?
- holodeck: High Fidelity Simulator for Reinforcement Learning and Robotics 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 holodeck over 3D-Mem?
- Choose holodeck over 3D-Mem when Tags unique to holodeck: computer-vision, drones, reinforcement-learning, robotics; Also covers Model Training; - When you need to simulate complex robotics scenes in high fidelity that mirror real-world scenarios accurately.
- When should I choose 3D-Mem over holodeck?
- Choose 3D-Mem over holodeck when Tags unique to 3D-Mem: embodied-ai, spatial-intelligence; Use if your project involves embodied AI systems that require detailed scene understanding in 3D; More recently updated (last pushed Oct 2, 2025).
- 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 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 holodeck or 3D-Mem more popular on GitHub?
- holodeck has more GitHub stars (597 vs 270). Stars measure visibility, not whether either tool fits your constraints.
- Are holodeck and 3D-Mem open source?
- Yes - both are open-source projects on GitHub (holodeck: MIT, 3D-Mem: MIT).
- Where can I find alternatives to holodeck or 3D-Mem?
- GraphCanon lists graph-backed alternatives at holodeck alternatives and 3D-Mem alternatives (holodeck 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, holodeck or 3D-Mem?
- holodeck: Dormant. 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 holodeck and 3D-Mem?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: holodeck trust report; 3D-Mem trust report.