--- title: "dia vs TTS-WebUI" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/nari-labs-dia-vs-rsxdalv-tts-webui" tools: ["nari-labs-dia", "rsxdalv-tts-webui"] --- # dia vs TTS-WebUI *GraphCanon updated Sep 20, 2026* ## 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 TTS-WebUI if a comprehensive TypeScript-based Gradio + React UI for multiple text-to-speech systems. [dia](https://github.com/nari-labs/dia) reports 19k GitHub stars, 1.7k forks, and 91 open issues, last pushed Nov 19, 2025. [TTS-WebUI](http://TTSWebUI.com/) has 3.3k stars, 333 forks, and 130 open issues, last pushed Sep 7, 2026. Figures are from public GitHub metadata via [dia's repository](https://github.com/nari-labs/dia) and [TTS-WebUI's repository](https://github.com/rsxdalv/TTS-WebUI). | | [dia](/tools/nari-labs-dia.md) | [TTS-WebUI](/tools/rsxdalv-tts-webui.md) | | --- | --- | --- | | Tagline | A TTS model for generating ultra-realistic dialogue | A comprehensive WebUI for multiple TTS systems | | Stars | 19,400 | 3,266 | | Forks | 1,690 | 333 | | Open issues | 91 | 130 | | Language | Python | TypeScript | | Adopt for | Dia is an open-weight text-to-dialogue model providing full control over scripts and voices, ideal for generating ultra-realistic dialogue. | A comprehensive TypeScript-based Gradio + React UI for multiple text-to-speech systems. | | Persona | - | - | | Runtime | - | - | | License | Apache-2.0 | MIT | | Categories | Speech & Audio | Speech & Audio | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [dia](/tools/nari-labs-dia.md) | [TTS-WebUI](/tools/rsxdalv-tts-webui.md) | | --- | --- | --- | | Maintenance | Slowing (36%) | Active (82%) | | Days since push | 304d | 12d | | Open issues (now) | 91 | 130 | | Stars delta | +39 (30d) | +50 (30d) | | Open issues delta | 0 (30d) | +23 (30d) | | Owner type | Organization | User | | Full report | [trust report](/tools/nari-labs-dia/trust.md) | [trust report](/tools/rsxdalv-tts-webui/trust.md) | ## Shared compatibility - **Python**: [dia](/tools/nari-labs-dia.md) - Python runtime; [TTS-WebUI](/tools/rsxdalv-tts-webui.md) - Python runtime ## 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. ## Decision facts: TTS-WebUI - **Adopt for:** A comprehensive TypeScript-based Gradio + React UI for multiple text-to-speech systems. ## Choose when ### Choose dia if… - dia is primarily Python; TTS-WebUI is TypeScript. - License: dia is Apache-2.0, TTS-WebUI is MIT. - 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 ### Choose TTS-WebUI if… - TTS-WebUI is primarily TypeScript; dia is Python. - License: TTS-WebUI is MIT, dia is Apache-2.0. - Tags unique to TTS-WebUI: ace-step, ai, audio-generation, cosyvoice. - TTS-WebUI ships Docker support for self-hosted deployment. - - When you need an integrated interface that supports a wide range of TTS engines like ACE-Step, OmniVoice, Kimi Audio, and more. ## 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 ## When NOT to use TTS-WebUI - - If your project strictly requires cutting-edge models that are not yet integrated into TTS-WebUI's supported systems. - - When you require a platform that natively supports Python 3.12, as it is currently unsupported by this tool. ## Common questions ### What is the difference between dia and TTS-WebUI? dia: A TTS model for generating ultra-realistic dialogue. TTS-WebUI: A comprehensive WebUI for multiple TTS systems. See the comparison table for live GitHub stats and shared categories. ### When should I choose dia over TTS-WebUI? Choose dia over TTS-WebUI when dia is primarily Python; TTS-WebUI is TypeScript; License: dia is Apache-2.0, TTS-WebUI is MIT; 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 TTS-WebUI over dia? Choose TTS-WebUI over dia when TTS-WebUI is primarily TypeScript; dia is Python; License: TTS-WebUI is MIT, dia is Apache-2.0; Tags unique to TTS-WebUI: ace-step, ai, audio-generation, cosyvoice; TTS-WebUI ships Docker support for self-hosted deployment; - When you need an integrated interface that supports a wide range of TTS engines like ACE-Step, OmniVoice, Kimi Audio, and more. ### 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 TTS-WebUI? - If your project strictly requires cutting-edge models that are not yet integrated into TTS-WebUI's supported systems. - When you require a platform that natively supports Python 3.12, as it is currently unsupported by this tool. ### Is dia or TTS-WebUI more popular on GitHub? dia has more GitHub stars (19,400 vs 3,266). Stars measure visibility, not whether either tool fits your constraints. ### Are dia and TTS-WebUI open source? Yes - both are open-source projects on GitHub (dia: Apache-2.0, TTS-WebUI: MIT). ### Where can I find alternatives to dia or TTS-WebUI? GraphCanon lists graph-backed alternatives at [dia alternatives](/tools/nari-labs-dia/alternatives) and [TTS-WebUI alternatives](/tools/rsxdalv-tts-webui/alternatives) ([dia markdown twin](/tools/nari-labs-dia/alternatives.md), [TTS-WebUI markdown twin](/tools/rsxdalv-tts-webui/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/nari-labs-dia-vs-rsxdalv-tts-webui.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, dia or TTS-WebUI? dia: Slowing. TTS-WebUI: 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 TTS-WebUI? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [dia trust report](/tools/nari-labs-dia/trust); [TTS-WebUI trust report](/tools/rsxdalv-tts-webui/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=nari-labs-dia`](/api/graphcanon/graph?tool=nari-labs-dia) - 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/_