Comparison
ChatTTS vs IMS-Toucan
Verdict
Pick ChatTTS if chatTTS is a Python-based repository for generating speech tailored to everyday conversations in both Chinese and English; pick IMS-Toucan if iMS-Toucan is a text-to-speech toolkit with robust support for over 7000 languages using deep learning techniques.
Markdown twin · ChatTTS alternatives · IMS-Toucan alternatives
GraphCanon updated 5d
vs
Trust & integrity
| Signal | ChatTTS | IMS-Toucan |
|---|---|---|
| Maintenance | Slowing (127d since push) As of 5d · github_public_v1 | Slowing (185d since push) As of 3w · github_public_v1 |
| Provenance | Not a fork · Organization account As of 5d · github_public_v1 | Not a fork · Organization account As of 3w · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of 1mo · osv@v1 | No published findings from this source as of 2026-07-11 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
- ChatTTS
- A generative speech model for daily dialogue
- IMS-Toucan
- Controllable and fast Text-to-Speech for over 7000 languages
Stars
- ChatTTS
- 40k
- IMS-Toucan
- 2.2k
Forks
- ChatTTS
- 4.3k
- IMS-Toucan
- 317
Open issues
- ChatTTS
- 60
- IMS-Toucan
- 3
Language
- ChatTTS
- Python
- IMS-Toucan
- Python
Adopt for
- ChatTTS
- ChatTTS is a Python-based repository for generating speech tailored to everyday conversations in both Chinese and English.
- IMS-Toucan
- IMS-Toucan is a text-to-speech toolkit with robust support for over 7000 languages using deep learning techniques.
Persona
- ChatTTS
- -
- IMS-Toucan
- -
Runtime
- ChatTTS
- -
- IMS-Toucan
- -
License
- ChatTTS
- Licensed under AGPL-3.0, which allows for free use, distribution, and modification as long as these rights are maintained in derivative works.
- IMS-Toucan
- Apache-2.0
Last pushed
- ChatTTS
- Apr 10, 2026
- IMS-Toucan
- Jan 25, 2026
Categories
- ChatTTS
- AI Agents, Speech & Audio
- IMS-Toucan
- Speech & Audio
Trust and health
Days since push
- ChatTTS
- 127d
- IMS-Toucan
- 185d
Open issues (now)
- ChatTTS
- 60
- IMS-Toucan
- 3
Stars delta
- ChatTTS
- +140 (30d)
- IMS-Toucan
- Unknown
Open issues delta
- ChatTTS
- -1 (30d)
- IMS-Toucan
- Unknown
OSV dependency advisories
- ChatTTS
- No lockfile (source not queried)
- IMS-Toucan
- No published findings from this source as of 2026-07-11
Full report
- ChatTTS
- Trust report
- IMS-Toucan
- Trust report
Shared compatibility
- Python · ChatTTS: Python runtime · IMS-Toucan: Python runtime
Choose ChatTTS if…
- License: ChatTTS is AGPL-3.0, IMS-Toucan is Apache-2.0.
- Requirements: Python-based implementation means that familiarity with Python is necessary for effective use..
- Tags unique to ChatTTS: agent, chatgpt, chattts, chinese language.
- Also covers AI Agents.
- Use ChatTTS when you require text-to-speech functionality for daily dialogue applications, especially those involving Chinese or English languages.
When NOT to use ChatTTS
- Avoid using ChatTTS in environments where the speech generation model is expected to handle complex technical jargon or specialized vocabulary, as it's optimized for daily conversation.
- Do not use ChatTTS if your project requires the integration of more than two languages simultaneously due to its current support for only Chinese and English.
Choose IMS-Toucan if…
- License: IMS-Toucan is Apache-2.0, ChatTTS is AGPL-3.0.
- Requirements: Python version 3.10 is recommended..
- Tags unique to IMS-Toucan: deep-learning, pytorch, speech-processing, text-to-speech.
- Use IMS-Toucan if your project requires high language coverage, especially in lesser-known or endangered languages.
When NOT to use IMS-Toucan
- Avoid IMS-Toucan if your project only requires support for a few major languages since it may introduce unnecessary complexity.
- Do not use IMS-Toucan if you cannot meet the setup requirements, including specific Python and library versions as well as potential difficulties in setting up on MACs.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (2noise/ChatTTS) · observed Aug 16, 2026
- GitHub forks (2noise/ChatTTS) · observed Aug 16, 2026
- Last push (2noise/ChatTTS) · observed Apr 10, 2026
- License file (AGPL-3.0) · observed Aug 16, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (DigitalPhonetics/IMS-Toucan) · observed Jul 29, 2026
- GitHub forks (DigitalPhonetics/IMS-Toucan) · observed Jul 29, 2026
- Last push (DigitalPhonetics/IMS-Toucan) · observed Jan 25, 2026
- 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 on cards: ChatTTS 40k · IMS-Toucan 2.2k (synced Aug 16, 2026).
Common questions
- What is the difference between ChatTTS and IMS-Toucan?
- ChatTTS: A generative speech model for daily dialogue. IMS-Toucan: Controllable and fast Text-to-Speech for over 7000 languages. See the comparison table for live GitHub stats and shared categories.
- When should I choose ChatTTS over IMS-Toucan?
- Choose ChatTTS over IMS-Toucan when License: ChatTTS is AGPL-3.0, IMS-Toucan is Apache-2.0; Requirements: Python-based implementation means that familiarity with Python is necessary for effective use.; Tags unique to ChatTTS: agent, chatgpt, chattts, chinese language; Also covers AI Agents; Use ChatTTS when you require text-to-speech functionality for daily dialogue applications, especially those involving Chinese or English languages.
- When should I choose IMS-Toucan over ChatTTS?
- Choose IMS-Toucan over ChatTTS when License: IMS-Toucan is Apache-2.0, ChatTTS is AGPL-3.0; Requirements: Python version 3.10 is recommended.; Tags unique to IMS-Toucan: deep-learning, pytorch, speech-processing, text-to-speech; Use IMS-Toucan if your project requires high language coverage, especially in lesser-known or endangered languages.
- When should I avoid ChatTTS?
- Avoid using ChatTTS in environments where the speech generation model is expected to handle complex technical jargon or specialized vocabulary, as it's optimized for daily conversation. Do not use ChatTTS if your project requires the integration of more than two languages simultaneously due to its current support for only Chinese and English.
- When should I avoid IMS-Toucan?
- Avoid IMS-Toucan if your project only requires support for a few major languages since it may introduce unnecessary complexity. Do not use IMS-Toucan if you cannot meet the setup requirements, including specific Python and library versions as well as potential difficulties in setting up on MACs.
- Is ChatTTS or IMS-Toucan more popular on GitHub?
- ChatTTS has more GitHub stars (39,768 vs 2,209). Stars measure visibility, not whether either tool fits your constraints.
- Are ChatTTS and IMS-Toucan open source?
- Yes - both are open-source projects on GitHub (ChatTTS: AGPL-3.0, IMS-Toucan: Apache-2.0).
- Where can I find alternatives to ChatTTS or IMS-Toucan?
- GraphCanon lists graph-backed alternatives at ChatTTS alternatives and IMS-Toucan alternatives (ChatTTS markdown twin, IMS-Toucan 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, ChatTTS or IMS-Toucan?
- ChatTTS: Slowing. IMS-Toucan: 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 ChatTTS and IMS-Toucan?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: ChatTTS trust report; IMS-Toucan trust report.