--- title: "TalkingHead vs dia" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/met4citizen-talkinghead-vs-nari-labs-dia" tools: ["met4citizen-talkinghead", "nari-labs-dia"] --- # TalkingHead vs dia *GraphCanon updated Jul 30, 2026* ## Verdict Pick TalkingHead if talkingHead is a JavaScript framework for real-time lip-sync with full-body 3D avatars in web apps; 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. [TalkingHead](https://github.com/met4citizen/TalkingHead) reports 1.4k GitHub stars, 327 forks, and 7 open issues, last pushed Jun 2, 2026. [dia](https://github.com/nari-labs/dia) has 19k stars, 1.7k forks, and 91 open issues, last pushed Nov 19, 2025. Figures are from public GitHub metadata via [TalkingHead's repository](https://github.com/met4citizen/TalkingHead) and [dia's repository](https://github.com/nari-labs/dia). | | [TalkingHead](/tools/met4citizen-talkinghead.md) | [dia](/tools/nari-labs-dia.md) | | --- | --- | --- | | Tagline | A JavaScript class for real-time lip-sync using full-body 3D avatars | A TTS model for generating ultra-realistic dialogue | | Stars | 1,440 | 19,361 | | Forks | 327 | 1,688 | | Open issues | 7 | 91 | | Language | JavaScript | Python | | Adopt for | TalkingHead is a JavaScript framework for real-time lip-sync with full-body 3D avatars in web apps. | Dia is an open-weight text-to-dialogue model providing full control over scripts and voices, ideal for generating ultra-realistic dialogue. | | Persona | - | - | | Runtime | - | - | | License | MIT | Apache-2.0 | | Categories | Computer Vision, Speech & Audio | Speech & Audio | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [TalkingHead](/tools/met4citizen-talkinghead.md) | [dia](/tools/nari-labs-dia.md) | | --- | --- | --- | | Maintenance | Steady (60%) | Slowing (36%) | | Days since push | 57d | 251d | | Open issues (now) | 7 | 91 | | Owner type | User | Organization | | Full report | [trust report](/tools/met4citizen-talkinghead/trust.md) | [trust report](/tools/nari-labs-dia/trust.md) | ## Decision facts: TalkingHead - **Adopt for:** TalkingHead is a JavaScript framework for real-time lip-sync with full-body 3D avatars in web apps. ## Decision facts: dia - **Adopt for:** Dia is an open-weight text-to-dialogue model providing full control over scripts and voices, ideal for generating ultra-realistic dialogue. ## Choose when ### Choose TalkingHead if… - TalkingHead is primarily JavaScript; dia is Python. - License: TalkingHead is MIT, dia is Apache-2.0. - Tags unique to TalkingHead: 3d-avatar, lip-sync, talking-avatar. - Also covers Computer Vision. - For projects that require real-time lip-sync functionality using 3D avatars in browser-based applications ### Choose dia if… - dia is primarily Python; TalkingHead is JavaScript. - License: dia is Apache-2.0, TalkingHead is MIT. - Tags unique to dia: dialogue-generation, tts. - When you require precise control over voice and script in the creation of highly realistic dialogues ## When NOT to use TalkingHead - If the project requires real-time speech-to-speech features using OpenAI Realtime API due to high cost - For applications where WebGPU support is not available since TalkingHead integrates with other tools that rely on this technology ## 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 ## Common questions ### What is the difference between TalkingHead and dia? TalkingHead: A JavaScript class for real-time lip-sync using full-body 3D avatars. dia: A TTS model for generating ultra-realistic dialogue. See the comparison table for live GitHub stats and shared categories. ### When should I choose TalkingHead over dia? Choose TalkingHead over dia when TalkingHead is primarily JavaScript; dia is Python; License: TalkingHead is MIT, dia is Apache-2.0; Tags unique to TalkingHead: 3d-avatar, lip-sync, talking-avatar; Also covers Computer Vision; For projects that require real-time lip-sync functionality using 3D avatars in browser-based applications. ### When should I choose dia over TalkingHead? Choose dia over TalkingHead when dia is primarily Python; TalkingHead is JavaScript; License: dia is Apache-2.0, TalkingHead is MIT; Tags unique to dia: dialogue-generation, tts; When you require precise control over voice and script in the creation of highly realistic dialogues. ### When should I avoid TalkingHead? If the project requires real-time speech-to-speech features using OpenAI Realtime API due to high cost For applications where WebGPU support is not available since TalkingHead integrates with other tools that rely on this technology ### 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 ### Is TalkingHead or dia more popular on GitHub? dia has more GitHub stars (19,361 vs 1,440). Stars measure visibility, not whether either tool fits your constraints. ### Are TalkingHead and dia open source? Yes - both are open-source projects on GitHub (TalkingHead: MIT, dia: Apache-2.0). ### Where can I find alternatives to TalkingHead or dia? GraphCanon lists graph-backed alternatives at [TalkingHead alternatives](/tools/met4citizen-talkinghead/alternatives) and [dia alternatives](/tools/nari-labs-dia/alternatives) ([TalkingHead markdown twin](/tools/met4citizen-talkinghead/alternatives.md), [dia markdown twin](/tools/nari-labs-dia/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/met4citizen-talkinghead-vs-nari-labs-dia.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, TalkingHead or dia? TalkingHead: Steady. dia: 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 TalkingHead and dia? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [TalkingHead trust report](/tools/met4citizen-talkinghead/trust); [dia trust report](/tools/nari-labs-dia/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=met4citizen-talkinghead`](/api/graphcanon/graph?tool=met4citizen-talkinghead) - 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/_