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SPECIFICTION
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Aria TTS

aria-tts.org

WebiOSAPISelf-hosted
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Spec score 7.7 #141 of 223 in Text-to-Speech Software

Spec sheet

Purpose
Aria is an open-source text-to-speech system.Read 13 Oct 2026 · aria-tts.org
Product
Aria is an open-source text-to-speech model licensed under MIT.Read 12 Oct 2026 · aria-tts.org
Platforms
web,iosRead 20 Sep 2026 · aria-tts.org
Deployment
The listed deployment options are CPU using ONNX, iOS using ONNX, and GPU.Read 13 Oct 2026 · aria-tts.org
License
The project is MIT licensed, and the page says weights are included with no usage caps or phone-home behavior.Read 13 Oct 2026 · aria-tts.org
API access
YesRead 20 Sep 2026 · aria-tts.org
Audio output
Aria produces 32 kHz audio using a three-codebook RVQ codec.Read 13 Oct 2026 · aria-tts.org
Availability
The page says the project is not quite ready to open its doors yet.Read 13 Oct 2026 · aria-tts.org
Commercial use
YesRead 20 Sep 2026 · aria-tts.org
CPU performance
The page reports 2.7–3.2× realtime CPU inference on an m6a.large instance.Read 13 Oct 2026 · aria-tts.org
Expressive speech
Inline tags such as [laughs], [sighs], and [coughs] add paralinguistic expressions.Read 13 Oct 2026 · aria-tts.org
Infrastructure cost
The page lists $42/mo as the total infrastructure cost for unlimited use on a reserved m6a.large.Read 13 Oct 2026 · aria-tts.org
iOS
Aria runs on iOS using ONNX for on-device inference.Read 13 Oct 2026 · aria-tts.org
Language
The listed language is English.Read 13 Oct 2026 · aria-tts.org
Model size
The model has approximately 112 million parameters.Read 13 Oct 2026 · aria-tts.org
On-device privacy
The site says iOS on-device inference is private and requires no round trip to a server.Read 12 Oct 2026 · aria-tts.org
Paralinguistic tags
Text can include inline tags such as [laughs], [sighs], and [coughs].Read 12 Oct 2026 · aria-tts.org
Streaming
It streams audio with word-level timestamps and reports first-chunk latency below 150 ms with a KV-cached reference.Read 13 Oct 2026 · aria-tts.org
Usage limits
The site says there are no usage caps or phone-home behavior.Read 12 Oct 2026 · aria-tts.org
Voice cloning
It supports zero-shot voice cloning from reference audio without requiring a transcript.Read 13 Oct 2026 · aria-tts.org

Where Specifiction places it

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