--- title: "metavoice-src vs dia" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/metavoiceio-metavoice-src-vs-nari-labs-dia" tools: ["metavoiceio-metavoice-src", "nari-labs-dia"] --- # metavoice-src vs dia *GraphCanon updated Jul 29, 2026* ## Verdict Pick metavoice-src if metavoice-src is an AI-driven repository focused on producing human-like expressive text-to-speech (TTS) systems using deep learning and PyTorch, with specific requirements such as minimum 12GB GPU VRAM; 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. [metavoice-src](https://themetavoice.xyz/) reports 4.2k GitHub stars, 693 forks, and 64 open issues, last pushed Jul 30, 2024. [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 [metavoice-src's repository](https://github.com/metavoiceio/metavoice-src) and [dia's repository](https://github.com/nari-labs/dia). | | [metavoice-src](/tools/metavoiceio-metavoice-src.md) | [dia](/tools/nari-labs-dia.md) | | --- | --- | --- | | Tagline | Foundational model for human-like, expressive TTS | A TTS model for generating ultra-realistic dialogue | | Stars | 4,203 | 19,361 | | Forks | 693 | 1,688 | | Open issues | 64 | 91 | | Language | Python | Python | | Adopt for | Metavoice-src is an AI-driven repository focused on producing human-like expressive text-to-speech (TTS) systems using deep learning and PyTorch, with specific requirements such as minimum 12GB GPU VRAM. | 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 | Apache-2.0 | Apache-2.0 | | Categories | Speech & Audio | Speech & Audio | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [metavoice-src](/tools/metavoiceio-metavoice-src.md) | [dia](/tools/nari-labs-dia.md) | | --- | --- | --- | | Maintenance | Dormant (18%) | Slowing (36%) | | Days since push | 728d | 251d | | Open issues (now) | 64 | 91 | | Full report | [trust report](/tools/metavoiceio-metavoice-src/trust.md) | [trust report](/tools/nari-labs-dia/trust.md) | ## Shared compatibility - **Python**: [metavoice-src](/tools/metavoiceio-metavoice-src.md) - Python runtime; [dia](/tools/nari-labs-dia.md) - Python runtime ## Decision facts: metavoice-src - **Adopt for:** Metavoice-src is an AI-driven repository focused on producing human-like expressive text-to-speech (TTS) systems using deep learning and PyTorch, with specific requirements such as minimum 12GB GPU VRAM. ## 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 metavoice-src if… - Tags unique to metavoice-src: ai, deep-learning, pytorch, speech. - metavoice-src ships Docker support for self-hosted deployment. - When aiming for high-fidelity human-like TTS quality leveraging advanced deep learning approaches ### Choose dia if… - Tags unique to dia: dialogue-generation. - When you require precise control over voice and script in the creation of highly realistic dialogues - More GitHub stars (19k vs 4.2k) - visibility, not fit. ## When NOT to use metavoice-src - For users lacking a GPU with at least 12GB VRAM - Without Python version 3.10 to 3.12, metavoice-src might not function properly ## 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 metavoice-src and dia? metavoice-src: Foundational model for human-like, expressive TTS. dia: A TTS model for generating ultra-realistic dialogue. See the comparison table for live GitHub stats and shared categories. ### When should I choose metavoice-src over dia? Choose metavoice-src over dia when Tags unique to metavoice-src: ai, deep-learning, pytorch, speech; metavoice-src ships Docker support for self-hosted deployment; When aiming for high-fidelity human-like TTS quality leveraging advanced deep learning approaches. ### When should I choose dia over metavoice-src? Choose dia over metavoice-src when Tags unique to dia: dialogue-generation; When you require precise control over voice and script in the creation of highly realistic dialogues; More GitHub stars (19k vs 4.2k) - visibility, not fit. ### When should I avoid metavoice-src? For users lacking a GPU with at least 12GB VRAM Without Python version 3.10 to 3.12, metavoice-src might not function properly ### 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 metavoice-src or dia more popular on GitHub? dia has more GitHub stars (19,361 vs 4,203). Stars measure visibility, not whether either tool fits your constraints. ### Are metavoice-src and dia open source? Yes - both are open-source projects on GitHub (metavoice-src: Apache-2.0, dia: Apache-2.0). ### Where can I find alternatives to metavoice-src or dia? GraphCanon lists graph-backed alternatives at [metavoice-src alternatives](/tools/metavoiceio-metavoice-src/alternatives) and [dia alternatives](/tools/nari-labs-dia/alternatives) ([metavoice-src markdown twin](/tools/metavoiceio-metavoice-src/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/metavoiceio-metavoice-src-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, metavoice-src or dia? metavoice-src: Dormant. 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 metavoice-src and dia? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [metavoice-src trust report](/tools/metavoiceio-metavoice-src/trust); [dia trust report](/tools/nari-labs-dia/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=metavoiceio-metavoice-src`](/api/graphcanon/graph?tool=metavoiceio-metavoice-src) - 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/_