Comparison
dia vs chatterbox-tts-api
Verdict
Pick dia if dia is an open-weight text-to-dialogue model providing full control over scripts and voices, ideal for generating ultra-realistic dialogue; pick chatterbox-tts-api if chatterbox-TTS-API is a locally hosted Python-based text-to-speech API with capabilities similar to ElevenLabs, offering an OpenAI-compatible interface for generating voice-cloned speech.
Markdown twin · dia alternatives · chatterbox-tts-api alternatives
GraphCanon updated 1w
vs
Trust & integrity
| Signal | dia | chatterbox-tts-api |
|---|---|---|
| Maintenance | Slowing (251d since push) As of 3w · github_public_v1 | Slowing (232d since push) As of 1w · github_public_v1 |
| Provenance | Not a fork · Organization account As of 3w · github_public_v1 | Not a fork · Personal account As of 1w · 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
- dia
- A TTS model for generating ultra-realistic dialogue
- chatterbox-tts-api
- Local OpenAI-compatible text-to-speech API using Chatterbox
Stars
- dia
- 19k
- chatterbox-tts-api
- 666
Forks
- dia
- 1.7k
- chatterbox-tts-api
- 152
Open issues
- dia
- 91
- chatterbox-tts-api
- 16
Language
- dia
- Python
- chatterbox-tts-api
- Python
Adopt for
- dia
- Dia is an open-weight text-to-dialogue model providing full control over scripts and voices, ideal for generating ultra-realistic dialogue.
- chatterbox-tts-api
- Chatterbox-TTS-API is a locally hosted Python-based text-to-speech API with capabilities similar to ElevenLabs, offering an OpenAI-compatible interface for generating voice-cloned speech.
Persona
- dia
- -
- chatterbox-tts-api
- -
Runtime
- dia
- -
- chatterbox-tts-api
- -
License
- dia
- Apache-2.0
- chatterbox-tts-api
- Chatterbox-TTS-API is distributed under the AGPL-3.0 license, ensuring any modifications or derivative works must be shared openly.
Last pushed
- dia
- Nov 19, 2025
- chatterbox-tts-api
- Dec 23, 2025
Categories
- dia
- Speech & Audio
- chatterbox-tts-api
- Speech & Audio
Trust and health
Days since push
- dia
- 251d
- chatterbox-tts-api
- 232d
Open issues (now)
- dia
- 91
- chatterbox-tts-api
- 16
Owner type
- dia
- Organization
- chatterbox-tts-api
- User
Full report
- dia
- Trust report
- chatterbox-tts-api
- Trust report
Shared compatibility
- Python · dia: Python runtime · chatterbox-tts-api: Python runtime
Choose dia if…
- License: dia is Apache-2.0, chatterbox-tts-api is AGPL-3.0.
- Tags unique to dia: dialogue-generation, text-to-speech, tts.
- When you require precise control over voice and script in the creation of highly realistic dialogues
When NOT to use dia
- If your setup lacks a GPU, as Dia has not yet added CPU support
- In scenarios where immediate real-time performance is critical since the first run could be longer due to additional codec downloads
Choose chatterbox-tts-api if…
- License: chatterbox-tts-api is AGPL-3.0, dia is Apache-2.0.
- Requirements: Requires a local setup environment that supports CUDA for optimal performance; Docker can simplify deployment..
- Tags unique to chatterbox-tts-api: ai, chatgpt, chatterbox, cuda.
- When you need a self-hosted solution that mirrors the functionality of ElevenLabs or other proprietary TTS services and requires compatibility with existing ecosystems like Open WebUI or AnythingLLM.
When NOT to use chatterbox-tts-api
- If you require integrations specific to ElevenLabs' proprietary voice models as Chatterbox-TTS-API, despite its capabilities, does not directly support their unique voice libraries.
- For users needing a fully managed service without the complexities of local deployment and maintenance, like that offered by cloud-based TTS providers.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (nari-labs/dia) · observed Jul 29, 2026
- GitHub forks (nari-labs/dia) · observed Jul 29, 2026
- Last push (nari-labs/dia) · observed Nov 19, 2025
- License file (Apache-2.0) · observed Jul 29, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (travisvn/chatterbox-tts-api) · observed Aug 13, 2026
- GitHub forks (travisvn/chatterbox-tts-api) · observed Aug 13, 2026
- Last push (travisvn/chatterbox-tts-api) · observed Dec 23, 2025
- License file (AGPL-3.0) · observed Aug 13, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 15, 2026
GitHub stars on cards: dia 19k · chatterbox-tts-api 666 (synced Jul 29, 2026).
Common questions
- What is the difference between dia and chatterbox-tts-api?
- dia: A TTS model for generating ultra-realistic dialogue. chatterbox-tts-api: Local OpenAI-compatible text-to-speech API using Chatterbox. See the comparison table for live GitHub stats and shared categories.
- When should I choose dia over chatterbox-tts-api?
- Choose dia over chatterbox-tts-api when License: dia is Apache-2.0, chatterbox-tts-api is AGPL-3.0; Tags unique to dia: dialogue-generation, text-to-speech, tts; When you require precise control over voice and script in the creation of highly realistic dialogues.
- When should I choose chatterbox-tts-api over dia?
- Choose chatterbox-tts-api over dia when License: chatterbox-tts-api is AGPL-3.0, dia is Apache-2.0; Requirements: Requires a local setup environment that supports CUDA for optimal performance; Docker can simplify deployment.; Tags unique to chatterbox-tts-api: ai, chatgpt, chatterbox, cuda; When you need a self-hosted solution that mirrors the functionality of ElevenLabs or other proprietary TTS services and requires compatibility with existing ecosystems like Open WebUI or AnythingLLM.
- When should I avoid dia?
- If your setup lacks a GPU, as Dia has not yet added CPU support In scenarios where immediate real-time performance is critical since the first run could be longer due to additional codec downloads
- When should I avoid chatterbox-tts-api?
- If you require integrations specific to ElevenLabs' proprietary voice models as Chatterbox-TTS-API, despite its capabilities, does not directly support their unique voice libraries. For users needing a fully managed service without the complexities of local deployment and maintenance, like that offered by cloud-based TTS providers.
- Is dia or chatterbox-tts-api more popular on GitHub?
- dia has more GitHub stars (19,361 vs 666). Stars measure visibility, not whether either tool fits your constraints.
- Are dia and chatterbox-tts-api open source?
- Yes - both are open-source projects on GitHub (dia: Apache-2.0, chatterbox-tts-api: AGPL-3.0).
- Where can I find alternatives to dia or chatterbox-tts-api?
- GraphCanon lists graph-backed alternatives at dia alternatives and chatterbox-tts-api alternatives (dia markdown twin, chatterbox-tts-api 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, dia or chatterbox-tts-api?
- dia: Slowing. chatterbox-tts-api: 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 dia and chatterbox-tts-api?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: dia trust report; chatterbox-tts-api trust report.