Comparison
dia vs openai_tts
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 openai_tts if a Python-based Home Assistant TTS component that leverages the OpenAI speech engine with extras like chimes and normalization.
Markdown twin · dia alternatives · openai_tts alternatives
GraphCanon updated Sep 20, 2026
Trust & integrity
| Signal | dia | openai_tts |
|---|---|---|
| Maintenance | Slowing (304d since push) As of Sep 20, 2026 · github_public_v1 | Very active (0d since push) As of Sep 20, 2026 · github_public_v1 |
| Provenance | Not a fork · Organization account As of Sep 20, 2026 · github_public_v1 | Not a fork · Personal account As of Sep 20, 2026 · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of Jul 11, 2026 · osv@v1 | No lockfile (source not queried) As of Jul 15, 2026 · 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
- openai_tts
- Custom TTS component for Home Assistant with OpenAI speech engine integration
Stars
- dia
- 19k
- openai_tts
- 216
Forks
- dia
- 1.7k
- openai_tts
- 53
Open issues
- dia
- 91
- openai_tts
- 12
Language
- dia
- Python
- openai_tts
- 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.
- openai_tts
- A Python-based Home Assistant TTS component that leverages the OpenAI speech engine with extras like chimes and normalization
Persona
- dia
- -
- openai_tts
- -
Runtime
- dia
- -
- openai_tts
- -
License
- dia
- Apache-2.0
- openai_tts
- GPL-3.0
Last pushed
- dia
- Nov 19, 2025
- openai_tts
- Sep 19, 2026
Categories
- dia
- Speech & Audio
- openai_tts
- Speech & Audio
Trust and health
Maintenance
- dia
- Slowing (36%)
- openai_tts
- Very active (96%)
Days since push
- dia
- 304d
- openai_tts
- 0d
Open issues (now)
- dia
- 91
- openai_tts
- 12
Stars delta
- dia
- +39 (30d)
- openai_tts
- +11 (30d)
Open issues delta
- dia
- 0 (30d)
- openai_tts
- +3 (30d)
Owner type
- dia
- Organization
- openai_tts
- User
Full report
- dia
- Trust report
- openai_tts
- Trust report
Choose dia if…
- License: dia is Apache-2.0, openai_tts is GPL-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 openai_tts if…
- License: openai_tts is GPL-3.0, dia is Apache-2.0.
- Tags unique to openai_tts: ai, chime, ha, hacs.
- When you require integration with the Home Assistant ecosystem that includes high-quality text-to-speech from OpenAI
When NOT to use openai_tts
- Avoid if your deployment environment does not support Python, essential for this TTS component's operation
- Not fit when looking for pre-built integrations without Home Assistant, since it specifically caters to the Home Assistant platform
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 Sep 20, 2026
- GitHub forks (nari-labs/dia) · observed Sep 20, 2026
- Last push (nari-labs/dia) · observed Nov 19, 2025
- License file (Apache-2.0) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (sfortis/openai_tts) · observed Sep 20, 2026
- GitHub forks (sfortis/openai_tts) · observed Sep 20, 2026
- Last push (sfortis/openai_tts) · observed Sep 19, 2026
- License file (GPL-3.0) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 15, 2026
GitHub stars on cards: dia 19k · openai_tts 216 (synced Sep 20, 2026).
Common questions
- What is the difference between dia and openai_tts?
- dia: A TTS model for generating ultra-realistic dialogue. openai_tts: Custom TTS component for Home Assistant with OpenAI speech engine integration. See the comparison table for live GitHub stats and shared categories.
- When should I choose dia over openai_tts?
- Choose dia over openai_tts when License: dia is Apache-2.0, openai_tts is GPL-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 openai_tts over dia?
- Choose openai_tts over dia when License: openai_tts is GPL-3.0, dia is Apache-2.0; Tags unique to openai_tts: ai, chime, ha, hacs; When you require integration with the Home Assistant ecosystem that includes high-quality text-to-speech from OpenAI.
- 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 openai_tts?
- Avoid if your deployment environment does not support Python, essential for this TTS component's operation Not fit when looking for pre-built integrations without Home Assistant, since it specifically caters to the Home Assistant platform
- Is dia or openai_tts more popular on GitHub?
- dia has more GitHub stars (19,400 vs 216). Stars measure visibility, not whether either tool fits your constraints.
- Are dia and openai_tts open source?
- Yes - both are open-source projects on GitHub (dia: Apache-2.0, openai_tts: GPL-3.0).
- Where can I find alternatives to dia or openai_tts?
- GraphCanon lists graph-backed alternatives at dia alternatives and openai_tts alternatives (dia markdown twin, openai_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, dia or openai_tts?
- dia: Slowing. openai_tts: Very active. 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 openai_tts?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: dia trust report; openai_tts trust report.