Chirp 3: HD voices (Google Cloud Text-to-Speech)
Google Cloud's current-generation HD voice set, with 28 voices available across 50+ languages and locales.
- Weights
- Not released
- API
- Yes
- Commercial use
- Not established
It supports pace control from 0.25x to 2x, pause markup tags, custom pronunciations via IPA or X-SAMPA, and both streaming and batch synthesis. SSML is supported for synchronous requests but not for streaming.
The research notes for this model record other terms but do not state a commercial-use position, and no licence page was retrieved, so it is not established here. Check the vendor's own terms.
- Requires consent from the person depicted. Instant Custom Voice is the cloning path and is priced separately at $60/1M characters; consent requirements for custom voice creation were not documented on the pages fetched
Specification
- What it takes in
- text
- What it makes
- audio
- Controls
- speed-control, pronunciation-dictionary, streaming-low-latency
- Weights
- Not released
- API
- Yes
- Pricing
- $30 per 1M characters (US$0.00003 per character), with the first 1M characters per month free. For comparison on the same page: Standard and WaveNet $4/1M (4M free), Neural2 $16/1M (1M free), Studio $160/1M (1M free), Instant Custom Voice $60/1M with no free tier.
- Released or updated
- not established
- Languages
- 50, not individually listed by the vendor
Strengths
- 50+ languages and locales, GA in six Google Cloud regions
- Pause markup and IPA/X-SAMPA pronunciation control
- Streaming and batch synthesis
- Predictable per-character pricing with a 1M/month free tier
Weaknesses
- Only 28 voices, far fewer than ElevenLabs or Azure
- No SSML on streaming requests
- No emotion or style prompting documented
- Character limit per request not documented
- Two locales (Punjabi-India, Chinese-Hong Kong) still in Preview
Best for
- multilingual explainer VO at scale
- enterprise pipelines already on GCP
- cost-controlled bulk narration
Where the sources disagree
Recorded rather than resolved. Picking the tidier number would hide the fact that the vendor's own pages do not agree.
- The vendor pricing page could not be parsed directly (content truncated on repeated fetches); figures were read via a text-extraction proxy of the same URL. Numbers matched an independent third-party summary.
What to understand before using it
Explainers naming the mechanisms this model's own documentation mentions.
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See it from the vendor
Shotcraft hosts no sample output. Judging a model means watching its own showreel with your own eyes, and a clip re-hosted here would be a clip we chose.
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