---
title: "Auto-PyTorch vs HPOBench"
type: "comparison"
canonical_url: "https://www.graphcanon.com/compare/automl-auto-pytorch-vs-automl-hpobench"
tools: ["automl-auto-pytorch", "automl-hpobench"]
---

# Auto-PyTorch vs HPOBench

*GraphCanon updated Aug 4, 2026*

## Verdict

Pick Auto-PyTorch if auto-PyTorch specializes in automatic architecture search and hyperparameter optimization for deep-learning models using PyTorch; pick HPOBench if hPOBench is useful for researchers and developers working on hyperparameter optimization techniques in automated machine learning scenarios.

[Auto-PyTorch](https://github.com/automl/Auto-PyTorch) reports 2.5k GitHub stars, 303 forks, and 75 open issues, last pushed Apr 9, 2024. [HPOBench](https://github.com/automl/HPOBench) has 170 stars, 36 forks, and 34 open issues, last pushed May 21, 2025. Figures are from public GitHub metadata via [Auto-PyTorch's repository](https://github.com/automl/Auto-PyTorch) and [HPOBench's repository](https://github.com/automl/HPOBench).

| | [Auto-PyTorch](/tools/automl-auto-pytorch.md) | [HPOBench](/tools/automl-hpobench.md) |
| --- | --- | --- |
| Tagline | Automatic architecture search and hyperparameter optimization for PyTorch | A collection of hyperparameter optimization benchmark problems |
| Stars | 2,541 | 170 |
| Forks | 303 | 36 |
| Open issues | 75 | 34 |
| Language | Python | Python |
| Adopt for | Auto-PyTorch specializes in automatic architecture search and hyperparameter optimization for deep-learning models using PyTorch. | HPOBench is useful for researchers and developers working on hyperparameter optimization techniques in automated machine learning scenarios. |
| Persona | - | - |
| Runtime | - | - |
| License | Apache-2.0 | HPOBench is open source under the Apache-2.0 license. |
| Categories | Data & Retrieval, Model Training | Model Training |

## Trust and health

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

| | [Auto-PyTorch](/tools/automl-auto-pytorch.md) | [HPOBench](/tools/automl-hpobench.md) |
| --- | --- | --- |
| Days since push | 846d | 439d |
| Open issues (now) | 75 | 34 |
| Full report | [trust report](/tools/automl-auto-pytorch/trust.md) | [trust report](/tools/automl-hpobench/trust.md) |

## Shared compatibility

- **Python**: [Auto-PyTorch](/tools/automl-auto-pytorch.md) - Python runtime; [HPOBench](/tools/automl-hpobench.md) - Python runtime

## Decision facts: Auto-PyTorch

- **Adopt for:** Auto-PyTorch specializes in automatic architecture search and hyperparameter optimization for deep-learning models using PyTorch.

## Decision facts: HPOBench

- **Pricing:** freemium
- **Requirements:** The installation recommends, but does not strictly require singularity version 3.6, which can be an additional setup step.
- **Adopt for:** HPOBench is useful for researchers and developers working on hyperparameter optimization techniques in automated machine learning scenarios.
- **License detail:** HPOBench is open source under the Apache-2.0 license.

## Choose when

### Choose Auto-PyTorch if…

- Tags unique to Auto-PyTorch: deep-learning, pytorch, tabular-data, time-series-forecasting.
- Also covers Data & Retrieval.
- Auto-PyTorch ships Docker support for self-hosted deployment.
- Use when you need to automate both architectural searches and hyperparameter tuning specifically for PyTorch-based deep learning models.

### Choose HPOBench if…

- Requirements: The installation recommends, but does not strictly require singularity version 3.6, which can be an additional setup step..
- Tags unique to HPOBench: bayesian-optimization, benchmark, hyperparameter-optimization, python.
- When you are specifically interested in benchmarking hyperparameter optimization problems that include containerized benchmarks to ensure consistency across environments.

## When NOT to use Auto-PyTorch

- Avoid using it if your AI development focuses on frameworks other than PyTorch.
- Do not use when the requirements do not involve deep learning models or you are not interested in automating architecture search and hyperparameter tuning.

## When NOT to use HPOBench

- Avoid HPOBench if your project does not require Python or you are looking for a platform that exclusively focuses on the automation of model selection without hyperparameter optimization.
- If you prefer tools with built-in support for multiple programming languages, rather than focusing solely on Python as is the case with HPOBench.

## Common questions

### What is the difference between Auto-PyTorch and HPOBench?

Auto-PyTorch: Automatic architecture search and hyperparameter optimization for PyTorch. HPOBench: A collection of hyperparameter optimization benchmark problems. See the comparison table for live GitHub stats and shared categories.

### When should I choose Auto-PyTorch over HPOBench?

Choose Auto-PyTorch over HPOBench when Tags unique to Auto-PyTorch: deep-learning, pytorch, tabular-data, time-series-forecasting; Also covers Data & Retrieval; Auto-PyTorch ships Docker support for self-hosted deployment; Use when you need to automate both architectural searches and hyperparameter tuning specifically for PyTorch-based deep learning models.

### When should I choose HPOBench over Auto-PyTorch?

Choose HPOBench over Auto-PyTorch when Requirements: The installation recommends, but does not strictly require singularity version 3.6, which can be an additional setup step.; Tags unique to HPOBench: bayesian-optimization, benchmark, hyperparameter-optimization, python; When you are specifically interested in benchmarking hyperparameter optimization problems that include containerized benchmarks to ensure consistency across environments.

### When should I avoid Auto-PyTorch?

Avoid using it if your AI development focuses on frameworks other than PyTorch. Do not use when the requirements do not involve deep learning models or you are not interested in automating architecture search and hyperparameter tuning.

### When should I avoid HPOBench?

Avoid HPOBench if your project does not require Python or you are looking for a platform that exclusively focuses on the automation of model selection without hyperparameter optimization. If you prefer tools with built-in support for multiple programming languages, rather than focusing solely on Python as is the case with HPOBench.

### Is Auto-PyTorch or HPOBench more popular on GitHub?

Auto-PyTorch has more GitHub stars (2,541 vs 170). Stars measure visibility, not whether either tool fits your constraints.

### Are Auto-PyTorch and HPOBench open source?

Yes - both are open-source projects on GitHub (Auto-PyTorch: Apache-2.0, HPOBench: Apache-2.0).

### Where can I find alternatives to Auto-PyTorch or HPOBench?

GraphCanon lists graph-backed alternatives at [Auto-PyTorch alternatives](/tools/automl-auto-pytorch/alternatives) and [HPOBench alternatives](/tools/automl-hpobench/alternatives) ([Auto-PyTorch markdown twin](/tools/automl-auto-pytorch/alternatives.md), [HPOBench markdown twin](/tools/automl-hpobench/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/automl-auto-pytorch-vs-automl-hpobench.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.

### Which is better maintained, Auto-PyTorch or HPOBench?

Auto-PyTorch: Dormant. HPOBench: 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 Auto-PyTorch and HPOBench?

GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [Auto-PyTorch trust report](/tools/automl-auto-pytorch/trust); [HPOBench trust report](/tools/automl-hpobench/trust).

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/graph?tool=automl-auto-pytorch`](/api/graphcanon/graph?tool=automl-auto-pytorch)
- 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/_
