--- title: "ailia-models vs zpy" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/ailia-ai-ailia-models-vs-zumolabs-zpy" tools: ["ailia-ai-ailia-models", "zumolabs-zpy"] --- # ailia-models vs zpy *GraphCanon updated Aug 22, 2026* ## Verdict Pick ailia-models if pre-trained AI models for ailia SDK, covering broad applications from action recognition to audio processing; pick zpy if developed by ZumoLabs, zpy is an open-source Python-based toolkit designed for generating synthetic data specifically for computer vision projects utilizing Blender as the primary rendering engine. [ailia-models](https://github.com/ailia-ai/ailia-models) reports 2.4k GitHub stars, 363 forks, and 321 open issues, last pushed Aug 21, 2026. [zpy](https://github.com/ZumoLabs/zpy) has 322 stars, 34 forks, and 4 open issues, last pushed Dec 4, 2021. Figures are from public GitHub metadata via [ailia-models's repository](https://github.com/ailia-ai/ailia-models) and [zpy's repository](https://github.com/ZumoLabs/zpy). | | [ailia-models](/tools/ailia-ai-ailia-models.md) | [zpy](/tools/zumolabs-zpy.md) | | --- | --- | --- | | Tagline | Repository of pre-trained AI models for ailia SDK | Synthetic data generation toolkit for computer vision with Blender support | | Stars | 2,365 | 322 | | Forks | 363 | 34 | | Open issues | 321 | 4 | | Language | Python | Python | | Adopt for | Pre-trained AI models for ailia SDK, covering broad applications from action recognition to audio processing. | Developed by ZumoLabs, zpy is an open-source Python-based toolkit designed for generating synthetic data specifically for computer vision projects utilizing Blender as the primary rendering engine. | | Persona | - | - | | Runtime | - | - | | License | - | GPLv3, which allows you to use zpy freely but mandates that any derivative works be shared under the same license terms. | | Categories | Computer Vision, Model Training, Speech & Audio | Computer Vision | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [ailia-models](/tools/ailia-ai-ailia-models.md) | [zpy](/tools/zumolabs-zpy.md) | | --- | --- | --- | | Maintenance | Very active (96%) | Dormant (18%) | | Days since push | 0d | 1700d | | Open issues (now) | 321 | 4 | | Stars delta | +8 (30d) | Unknown | | Open issues delta | +5 (30d) | Unknown | | Full report | [trust report](/tools/ailia-ai-ailia-models/trust.md) | [trust report](/tools/zumolabs-zpy/trust.md) | ## Shared compatibility - **Python**: [ailia-models](/tools/ailia-ai-ailia-models.md) - Python runtime; [zpy](/tools/zumolabs-zpy.md) - Python runtime ## Decision facts: ailia-models - **Adopt for:** Pre-trained AI models for ailia SDK, covering broad applications from action recognition to audio processing. ## Decision facts: zpy - **Adopt for:** Developed by ZumoLabs, zpy is an open-source Python-based toolkit designed for generating synthetic data specifically for computer vision projects utilizing Blender as the primary rendering engine. - **License detail:** GPLv3, which allows you to use zpy freely but mandates that any derivative works be shared under the same license terms. ## Choose when ### Choose ailia-models if… - Tags unique to ailia-models: action-recognition, anomaly-detection, audio-processing, background-removal. - Also covers Model Training, Speech & Audio. - When developing apps that integrate with the ailia SDK ### Choose zpy if… - Tags unique to zpy: ai, blender, computer-vision, ml. - You need to create diverse and complex synthetic datasets using Blender's powerful rendering capabilities that are tailored for advanced computer vision applications. - Leaner open-issue backlog (4). ## When NOT to use ailia-models - If your project does not align with ailia SDK or its specific model categories - When you require customization beyond what is offered by pre-trained models in this repository ## When NOT to use zpy - You require cross-platform compatibility with full feature support on Windows since development is currently lagging for this OS. - Your focus lies solely on real-world data collection and your projects do not necessitate the simulation of environments or objects through synthetic means. ## Common questions ### What is the difference between ailia-models and zpy? ailia-models: Repository of pre-trained AI models for ailia SDK. zpy: Synthetic data generation toolkit for computer vision with Blender support. See the comparison table for live GitHub stats and shared categories. ### When should I choose ailia-models over zpy? Choose ailia-models over zpy when Tags unique to ailia-models: action-recognition, anomaly-detection, audio-processing, background-removal; Also covers Model Training, Speech & Audio; When developing apps that integrate with the ailia SDK. ### When should I choose zpy over ailia-models? Choose zpy over ailia-models when Tags unique to zpy: ai, blender, computer-vision, ml; You need to create diverse and complex synthetic datasets using Blender's powerful rendering capabilities that are tailored for advanced computer vision applications; Leaner open-issue backlog (4). ### When should I avoid ailia-models? If your project does not align with ailia SDK or its specific model categories When you require customization beyond what is offered by pre-trained models in this repository ### When should I avoid zpy? You require cross-platform compatibility with full feature support on Windows since development is currently lagging for this OS. Your focus lies solely on real-world data collection and your projects do not necessitate the simulation of environments or objects through synthetic means. ### Is ailia-models or zpy more popular on GitHub? ailia-models has more GitHub stars (2,365 vs 322). Stars measure visibility, not whether either tool fits your constraints. ### Are ailia-models and zpy open source? Yes - both are open-source projects on GitHub. ### Where can I find alternatives to ailia-models or zpy? GraphCanon lists graph-backed alternatives at [ailia-models alternatives](/tools/ailia-ai-ailia-models/alternatives) and [zpy alternatives](/tools/zumolabs-zpy/alternatives) ([ailia-models markdown twin](/tools/ailia-ai-ailia-models/alternatives.md), [zpy markdown twin](/tools/zumolabs-zpy/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/ailia-ai-ailia-models-vs-zumolabs-zpy.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, ailia-models or zpy? ailia-models: Very active. zpy: 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 ailia-models and zpy? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [ailia-models trust report](/tools/ailia-ai-ailia-models/trust); [zpy trust report](/tools/zumolabs-zpy/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=ailia-ai-ailia-models`](/api/graphcanon/graph?tool=ailia-ai-ailia-models) - 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/_