# Neuphonic Review

> Neuphonic review: Hybrid hosted + open-weights play: SSE/WebSocket streaming TTS API at app.neuphonic.com, and tiny CPU-only on-device models (NeuTTS-Air ~360M.

![Neuphonic logo](https://www.versusref.com/logos/neuphonic.png)

Hybrid hosted + open-weights play: SSE/WebSocket streaming TTS API at app.neuphonic.com, and tiny CPU-only on-device models (NeuTTS-Air ~360M Apache-2.0, NeuTTS-Nano ~120M) in GGUF for phones/Raspberry Pi - privacy/edge-deployment angle. NOTE: the site's pricing page returned 404 at verification time; hosted-plan pricing treated as not published.

Among the 46 text-to-speech tools we track, Neuphonic has the 33rd-widest language coverage.

See pricing · facts verified Jul 20, 2026

## What we know about Neuphonic

Neuphonic sits in the text-to-speech apis category, where it is hybrid hosted + open-weights play: SSE/WebSocket streaming TTS API at app.neuphonic.com, and tiny CPU-only on-device models (NeuTTS-Air ~360M Apache-2.0, NeuTTS-Nano ~120M) in GGUF for phones/Raspberry Pi - privacy/edge-deployment angle. NOTE: the site's pricing page returned 404 at verification time; hosted-plan pricing treated as not published. We keep this Neuphonic profile grounded in primary sources, each fact dated to when we last confirmed it.

Neuphonic does not publish a public per-minute rate we have been able to verify, so the price figure here stays blank until we can confirm one. We would rather show nothing than a guessed number; if you have a current Neuphonic quote, it is the fastest way for us to close that gap.

On capabilities, Neuphonic covers streaming audio output, realtime websocket api, instant voice cloning, and self-host / on-prem option. Each of those is verified against Neuphonic's own docs or dashboard, not marketing copy.

Among the 46 text-to-speech tools in our matrix, Neuphonic leads with the 33rd-widest language coverage; the fact sheet below has the raw numbers behind that placement.

In total we track 9 verified facts for Neuphonic today, each linking the primary source it came from so you can check our work - and vendor claims we have not measured ourselves are labeled as such on the Neuphonic fact sheet below.

## Fact sheet

### Capabilities

| Fact | Value | Verified | Source |
| --- | --- | --- | --- |
| Streaming audio output | ✓  Yes | Jul 20 | [source](https://docs.neuphonic.com/) |
| Realtime websocket API | ✓  Yes | Jul 20 | [source](https://docs.neuphonic.com/) |
| Instant voice cloning | ✓  Yes | Jul 20 | [source](https://github.com/neuphonic/neutts-air) |
| Minimum audio for voice cloning | 3 seconds | Jul 20 | [source](https://github.com/neuphonic/neutts-air) |
| Languages supported | 7 languages | Jul 20 | [source](https://www.neuphonic.com/) |

### Compliance & trust

| Fact | Value | Verified | Source |
| --- | --- | --- | --- |
| Self-host / on-prem option | ✓  Yes | Jul 20 | [source](https://github.com/neuphonic/neutts-air) |
| Model weights license | NeuTTS-Air: Apache-2.0; NeuTTS-Nano: NeuTTS Open License 1.0 | Jul 20 | [source](https://github.com/neuphonic/neutts-air) |

### Build experience

| Fact | Value | Verified | Source |
| --- | --- | --- | --- |
| Official SDKs | Python SDK (Python 3.9+), JavaScript SDK (Node 18+) | Jul 20 | [source](https://docs.neuphonic.com/) |
| Output formats | WAV (raw audio buffer also available) | Jul 20 | [source](https://docs.neuphonic.com/) |

Source: https://www.versusref.com/tts/tools/neuphonic/