Comparison
index-tts vs dc_tts
Verdict
Pick index-tts if indexTTS is an industrial-level controllable zero-shot text-to-speech system that excels in duration control and emotionally expressive speech generation using autoregressive models; pick dc_tts if dc_tts is a text-to-speech model based on TensorFlow and requires specific version dependencies.
Markdown twin · index-tts alternatives · dc_tts alternatives
GraphCanon updated 3w
vs
Trust & integrity
| Signal | index-tts | dc_tts |
|---|---|---|
| Maintenance | Active (14d since push) As of 3w · github_public_v1 | Dormant (1203d since push) As of 3w · github_public_v1 |
| Provenance | Not a fork · Personal account As of 3w · github_public_v1 | Not a fork · Personal 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
- index-tts
- A Breakthrough in Emotionally Expressive and Duration-Controlled Auto-Regressive Zero-Shot Text-to-Speech
- dc_tts
- A TensorFlow Implementation of DC-TTS
Stars
- index-tts
- 22k
- dc_tts
- 1.2k
Forks
- index-tts
- 2.7k
- dc_tts
- 360
Open issues
- index-tts
- 369
- dc_tts
- 68
Language
- index-tts
- Python
- dc_tts
- Python
Adopt for
- index-tts
- IndexTTS is an industrial-level controllable zero-shot text-to-speech system that excels in duration control and emotionally expressive speech generation using autoregressive models.
- dc_tts
- dc_tts is a text-to-speech model based on TensorFlow and requires specific version dependencies.
Persona
- index-tts
- -
- dc_tts
- -
Runtime
- index-tts
- -
- dc_tts
- -
License
- index-tts
- Other
- dc_tts
- Apache-2.0
Last pushed
- index-tts
- Jul 14, 2026
- dc_tts
- Apr 14, 2023
Categories
- index-tts
- Speech & Audio
- dc_tts
- Speech & Audio
Trust and health
Maintenance
- index-tts
- Active (82%)
- dc_tts
- Dormant (18%)
Days since push
- index-tts
- 14d
- dc_tts
- 1203d
Open issues (now)
- index-tts
- 369
- dc_tts
- 68
Full report
- index-tts
- Trust report
- dc_tts
- Trust report
Choose index-tts if…
- License: index-tts is Other, dc_tts is Apache-2.0.
- Tags unique to index-tts: bigvgan, cross-lingual, indextts, text-to-speech.
- Use IndexTTS when precise speech duration control is required, such as for professional video dubbing projects where audio-visual synchronization needs to be exact.
When NOT to use index-tts
- Avoid using IndexTTS in scenarios where minimal latency is critical, as its autoregressive generation mode may introduce processing delays compared to non-autoregressive methods.
- Do not use if you require support for a wide variety of languages beyond what the system's zero-shot capabilities cover.
Choose dc_tts if…
- License: dc_tts is Apache-2.0, index-tts is Other.
- 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 dc_tts
- Last GitHub push was 1229 days ago (dormant maintenance, Apr 14, 2023). Validate activity before betting a new project on dc_tts.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (index-tts/index-tts) · observed Jul 29, 2026
- GitHub forks (index-tts/index-tts) · observed Jul 29, 2026
- Last push (index-tts/index-tts) · observed Jul 14, 2026
- License file (Other) · observed Jul 29, 2026
- Decision facts (enrichment) · observed Jul 16, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (Kyubyong/dc_tts) · observed Jul 30, 2026
- GitHub forks (Kyubyong/dc_tts) · observed Jul 30, 2026
- Last push (Kyubyong/dc_tts) · observed Apr 14, 2023
- License file (Apache-2.0) · observed Jul 30, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: index-tts 22k · dc_tts 1.2k (synced Jul 29, 2026).
Common questions
- What is the difference between index-tts and dc_tts?
- index-tts: A Breakthrough in Emotionally Expressive and Duration-Controlled Auto-Regressive Zero-Shot Text-to-Speech. dc_tts: A TensorFlow Implementation of DC-TTS. See the comparison table for live GitHub stats and shared categories.
- When should I choose index-tts over dc_tts?
- Choose index-tts over dc_tts when License: index-tts is Other, dc_tts is Apache-2.0; Tags unique to index-tts: bigvgan, cross-lingual, indextts, text-to-speech; Use IndexTTS when precise speech duration control is required, such as for professional video dubbing projects where audio-visual synchronization needs to be exact.
- When should I choose dc_tts over index-tts?
- Choose dc_tts over index-tts when License: dc_tts is Apache-2.0, index-tts is Other; 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 index-tts?
- Avoid using IndexTTS in scenarios where minimal latency is critical, as its autoregressive generation mode may introduce processing delays compared to non-autoregressive methods. Do not use if you require support for a wide variety of languages beyond what the system's zero-shot capabilities cover.
- 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 index-tts or dc_tts more popular on GitHub?
- index-tts has more GitHub stars (22,239 vs 1,156). Stars measure visibility, not whether either tool fits your constraints.
- Are index-tts and dc_tts open source?
- Yes - both are open-source projects on GitHub (index-tts: Other, dc_tts: Apache-2.0).
- Where can I find alternatives to index-tts or dc_tts?
- GraphCanon lists graph-backed alternatives at index-tts alternatives and dc_tts alternatives (index-tts markdown twin, dc_tts 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, index-tts or dc_tts?
- index-tts: Active. 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 index-tts and dc_tts?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: index-tts trust report; dc_tts trust report.