# Speechmatics TTS Review

> Speechmatics TTS review: Budget low-latency English TTS for voice agents; priced at a fraction of premium voice APIs, but currently English-only with a small.

![Speechmatics TTS logo](https://www.versusref.com/logos/speechmatics-tts.png)

Budget low-latency English TTS for voice agents; priced at a fraction of premium voice APIs, but currently English-only with a small voice set and no SSML or voice cloning.

Among the 16 text-to-speech tools we track, Speechmatics TTS has the 2nd-cheapest flagship rate - a fit for cost-sensitive, high-volume work.

See pricing · facts verified Jul 20, 2026

## What we know about Speechmatics TTS

This is our verified profile of Speechmatics TTS, a text-to-speech apis platform - budget low-latency English TTS for voice agents; priced at a fraction of premium voice APIs, but currently English-only with a small voice set and no SSML or voice cloning. Every fact about Speechmatics TTS below carries the source it came from and the day we checked it.

Speechmatics TTS 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 Speechmatics TTS quote, it is the fastest way for us to close that gap.

On capabilities, Speechmatics TTS covers streaming audio output, soc 2 type ii, and self-host / on-prem option, and does not offer realtime websocket api, instant voice cloning, and emotion / style controls. Each of those is verified against Speechmatics TTS's own docs or dashboard, not marketing copy.

For compliance, with Speechmatics TTS: SOC 2 Type II is in place. If you are in a regulated space, confirm the current posture with Speechmatics TTS before you commit, since these change plan by plan.

Placed against the 16 text-to-speech tools we track, Speechmatics TTS's strongest showing is the 2nd-cheapest flagship rate, while it trails at 15th on stock voices - a spread worth weighing against your own priorities.

In total we track 16 verified facts for Speechmatics TTS 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 Speechmatics TTS fact sheet below.

## Speechmatics TTS pricing

Usage-priced at $11 per 1M characters (≈ $0.0105 per audio-minute), verified Jul 20, 2026 ([source](https://www.speechmatics.com/text-to-speech)).

| Monthly volume | $ / 1M chars | $ / audio-min | Monthly bill |
| --- | --- | --- | --- |
| 200K chars/mo | $11 | $0.0105 | $2.20 |
| 2M chars/mo | $11 | $0.0105 | $22 |
| 20M chars/mo | $11 | $0.0104 | $220 |

Effective rates from published pricing; subscription plans resolve to plan fee plus overage. ~950 characters ≈ 1 audio minute.

## Fact sheet

### Pricing

| Fact | Value | Verified | Source |
| --- | --- | --- | --- |
| Price per 1M characters (flagship model) | 11 $/1M chars | Jul 20 | [source](https://www.speechmatics.com/text-to-speech) |
| Pricing model | Usage-based per character | Jul 20 | [source](https://www.speechmatics.com/pricing) |
| Free tier quota | 1M chars/mo | Jul 20 | [source](https://www.speechmatics.com/pricing) |
| Overage rate past plan quota | 11 $/1M chars | Jul 20 | [source](https://www.speechmatics.com/text-to-speech) |

### Capabilities

| Fact | Value | Verified | Source |
| --- | --- | --- | --- |
| TTFB latency (vendor-claimed) | ~200 ms | Jul 20 | [source](https://docs.speechmatics.com/text-to-speech/quickstart) |
| Streaming audio output | ✓  Yes | Jul 20 | [source](https://docs.speechmatics.com/text-to-speech/quickstart) |
| Realtime websocket API | ✗  No | Jul 20 | [source](https://docs.speechmatics.com/text-to-speech/quickstart) |
| Voice library size | 4 voices | Jul 20 | [source](https://docs.speechmatics.com/text-to-speech/quickstart) |
| Instant voice cloning | ✗  No | Jul 20 | [source](https://docs.speechmatics.com/text-to-speech/quickstart) |
| Languages supported | 1 languages | Jul 20 | [source](https://www.speechmatics.com/text-to-speech) |
| Emotion / style controls | ✗  No | Jul 20 | [source](https://www.speechmatics.com/text-to-speech) |

### Compliance & trust

| Fact | Value | Verified | Source |
| --- | --- | --- | --- |
| SOC 2 Type II | ✓  Yes | Jul 20 | [source](https://www.speechmatics.com/security) |
| Self-host / on-prem option | ✓  Yes | Jul 20 | [source](https://www.speechmatics.com/pricing) |

### Build experience

| Fact | Value | Verified | Source |
| --- | --- | --- | --- |
| Official SDKs | None official for TTS yet; REST API only | Jul 20 | [source](https://docs.speechmatics.com/text-to-speech/quickstart) |
| Output formats | wav_16000 (WAV 16 kHz 16-bit mono | Jul 20 | [source](https://docs.speechmatics.com/text-to-speech/quickstart) |
| Max input per request | No fixed cap published | Jul 20 | [source](https://docs.speechmatics.com/text-to-speech/quickstart) |

Source: https://www.versusref.com/tts/tools/speechmatics-tts/