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Neural2

google/neural2

Neural2 is a Cloud Text-to-Speech voice tier introduced in June 2022 that applies Custom Voice technology without training, with about 60 voices across 18 locales and SSML support. Still GA, it predates Chirp 3: HD and Gemini-TTS.

API
curl "$AUDIOLAB_API_URL/v1/audio/speech" \
  -H "Authorization: Bearer $AUDIOLAB_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "google/neural2",
  "input": "Make every word count.",
  "voice": "auto",
  "response_format": "mp3"
}' --output speech.mp3
Input Price
$13.60 / 1M characters
Output Price
—
Input
Text
Output
Audio

Capabilities

Explore what Neural2 supports, then use the API section for a request tailored to this model.

Batch

Model Information

Provider
Google Cloud
Product
Text-to-Speech
Release Date
Jun 27, 2022
Data Policy
Configurable
Region
Global
Input
Text
Output
Audio
Provider Documentation

Playground

Try Neural2 by Google Cloud. Requests use the selected workspace’s credits and API pricing.

Neural2Credits —
Neural2
⌘ / Ctrl + Enter to send

Providers

Compare available endpoints, pricing, and context limits for Neural2.

ProviderContextOutputInput PriceOutput PriceEndpoint
Google CloudNot specifiedAudio$13.60 / 1M characters—
google/neural2:google

Prices are catalog rates. Your workspace’s estimate and endpoint pricing determine the final charge.

Input and Output Limits

Formats and limits AudioLab enforces on each request.

LimitValue
Max chars5000
Formatswav, mp3, opus, ulaw, alaw

Performance

Status

Current catalog availability. Your workspace’s access is checked separately before a request runs.

Getting Started

Use your workspace API key and the exact model identifier below. Set the API URL to the endpoint shown in your workspace and keep credentials on your server.

API
curl "$AUDIOLAB_API_URL/v1/audio/speech" \
  -H "Authorization: Bearer $AUDIOLAB_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "google/neural2",
  "input": "Make every word count.",
  "voice": "auto",
  "response_format": "mp3"
}' --output speech.mp3
Read the Endpoint Reference

Request Parameters

Available parameters depend on the provider and request format. The endpoint reference explains accepted values and required fields.

ParameterDetails
modelgoogle/neural2 — Required model identifier.

Input and Output Limits

Formats and limits AudioLab enforces on each request.

LimitValue
Max chars5000
Formatswav, mp3, opus, ulaw, alaw

Similar Models

Explore more text-to-speech and compare their capabilities.

ModelContextInput PriceOutput Price
Chirp 3: HDGoogle CloudNot specified$25.50 / 1M characters—
StudioGoogle CloudNot specified$136.00 / 1M characters—
StandardGoogle CloudNot specified$3.40 / 1M characters—
WaveNetGoogle CloudNot specified$3.40 / 1M characters—
PolyglotGoogle CloudNot specified$13.60 / 1M characters—
Sonic 3.6CartesiaNot specified$38.25 / 1M characters—
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