---
title: "GPA vs dc_tts"
type: "comparison"
canonical_url: "https://www.graphcanon.com/compare/autoark-gpa-vs-kyubyong-dc-tts"
tools: ["autoark-gpa", "kyubyong-dc-tts"]
---

# GPA vs dc_tts

*GraphCanon updated Jul 30, 2026*

## Verdict

Pick GPA if general Purpose Audio for ASR, TTS, and Voice Conversion; pick dc_tts if dc_tts is a text-to-speech model based on TensorFlow and requires specific version dependencies.

[GPA](https://autoark.github.io/GPA/) reports 1.8k GitHub stars, 123 forks, and 4 open issues, last pushed May 25, 2026. [dc_tts](https://github.com/Kyubyong/dc_tts) has 1.2k stars, 360 forks, and 68 open issues, last pushed Apr 14, 2023. Figures are from public GitHub metadata via [GPA's repository](https://github.com/AutoArk/GPA) and [dc_tts's repository](https://github.com/Kyubyong/dc_tts).

| | [GPA](/tools/autoark-gpa.md) | [dc_tts](/tools/kyubyong-dc-tts.md) |
| --- | --- | --- |
| Tagline | General Purpose Audio for ASR, TTS, and Voice Conversion | A TensorFlow Implementation of DC-TTS |
| Stars | 1,780 | 1,156 |
| Forks | 123 | 360 |
| Open issues | 4 | 68 |
| Language | Python | Python |
| Adopt for | General Purpose Audio for ASR, TTS, and Voice Conversion | dc_tts is a text-to-speech model based on TensorFlow and requires specific version dependencies. |
| Persona | - | - |
| Runtime | - | - |
| License | Apache-2.0 | Apache-2.0 |
| Categories | Speech & Audio | Speech & Audio |

## Trust and health

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

| | [GPA](/tools/autoark-gpa.md) | [dc_tts](/tools/kyubyong-dc-tts.md) |
| --- | --- | --- |
| Maintenance | Steady (60%) | Dormant (18%) |
| Days since push | 65d | 1203d |
| Open issues (now) | 4 | 68 |
| Owner type | Organization | User |
| Full report | [trust report](/tools/autoark-gpa/trust.md) | [trust report](/tools/kyubyong-dc-tts/trust.md) |

## Decision facts: GPA

- **Adopt for:** General Purpose Audio for ASR, TTS, and Voice Conversion

## Decision facts: dc_tts

- **Requirements:** Depends on TensorFlow >=1.3 and has compatibility issues with updated APIs for `tf.contrib.layers.layer_norm`.; Requires Python packages like NumPy, librosa, tqdm, matplotlib, and scipy.
- **Adopt for:** dc_tts is a text-to-speech model based on TensorFlow and requires specific version dependencies.

## Choose when

### Choose GPA if…

- Tags unique to GPA: asr, automatic-speech-recognition, text-to-speech, transformer.
- When you require an all-in-one performance-oriented solution covering ASR, TTS, and VC tasks in a unified model.
- More GitHub stars (1.8k vs 1.2k) - visibility, not fit.

### Choose dc_tts if…

- Requirements: Depends on TensorFlow >=1.3 and has compatibility issues with updated APIs for `tf.contrib.layers.layer_norm`.; Requires Python packages like NumPy, librosa, tqdm, matplotlib, and scipy..
- Tags unique to dc_tts: speech, speech-to-text, tensorflow.
- dc_tts is a text-to-speech model based on TensorFlow and requires specific version dependencies.

## When NOT to use GPA

- If your project demands ultra-specialized performance tailored for only one of the specific audio tasks.
- When real-time requirements are paramount, and you need a lightweight standalone model like GPA-TTS for limited hardware capabilities.

## When NOT to use dc_tts

- Last GitHub push was 1229 days ago (dormant maintenance, Apr 14, 2023). Validate activity before betting a new project on dc_tts.

## Common questions

### What is the difference between GPA and dc_tts?

GPA: General Purpose Audio for ASR, TTS, and Voice Conversion. dc_tts: A TensorFlow Implementation of DC-TTS. See the comparison table for live GitHub stats and shared categories.

### When should I choose GPA over dc_tts?

Choose GPA over dc_tts when Tags unique to GPA: asr, automatic-speech-recognition, text-to-speech, transformer; When you require an all-in-one performance-oriented solution covering ASR, TTS, and VC tasks in a unified model; More GitHub stars (1.8k vs 1.2k) - visibility, not fit.

### When should I choose dc_tts over GPA?

Choose dc_tts over GPA when Requirements: Depends on TensorFlow >=1.3 and has compatibility issues with updated APIs for `tf.contrib.layers.layer_norm`.; Requires Python packages like NumPy, librosa, tqdm, matplotlib, and scipy.; Tags unique to dc_tts: speech, speech-to-text, tensorflow; dc_tts is a text-to-speech model based on TensorFlow and requires specific version dependencies.

### When should I avoid GPA?

If your project demands ultra-specialized performance tailored for only one of the specific audio tasks. When real-time requirements are paramount, and you need a lightweight standalone model like GPA-TTS for limited hardware capabilities.

### When should I avoid dc_tts?

Last GitHub push was 1229 days ago (dormant maintenance, Apr 14, 2023). Validate activity before betting a new project on dc_tts.

### Is GPA or dc_tts more popular on GitHub?

GPA has more GitHub stars (1,780 vs 1,156). Stars measure visibility, not whether either tool fits your constraints.

### Are GPA and dc_tts open source?

Yes - both are open-source projects on GitHub (GPA: Apache-2.0, dc_tts: Apache-2.0).

### Where can I find alternatives to GPA or dc_tts?

GraphCanon lists graph-backed alternatives at [GPA alternatives](/tools/autoark-gpa/alternatives) and [dc_tts alternatives](/tools/kyubyong-dc-tts/alternatives) ([GPA markdown twin](/tools/autoark-gpa/alternatives.md), [dc_tts markdown twin](/tools/kyubyong-dc-tts/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/autoark-gpa-vs-kyubyong-dc-tts.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.

### Which is better maintained, GPA or dc_tts?

GPA: Steady. dc_tts: 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 GPA and dc_tts?

GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [GPA trust report](/tools/autoark-gpa/trust); [dc_tts trust report](/tools/kyubyong-dc-tts/trust).

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/graph?tool=autoark-gpa`](/api/graphcanon/graph?tool=autoark-gpa)
- 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/_
