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Neural HD Flash

azure/neural-hd-flash

Lower-latency, lighter variant of Azure's Dragon HD voices (names ending DragonHDFlashLatestNeural), priced like standard neural voices. Previewed in March 2025 with Mandarin voices and extended to US English in March 2026; available in four regions.

API
curl "$AUDIOLAB_API_URL/v1/audio/speech" \
  -H "Authorization: Bearer $AUDIOLAB_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "azure/neural-hd-flash",
  "input": "Make every word count.",
  "voice": "auto",
  "response_format": "mp3"
}' --output speech.mp3
Input Price
$12.75 / 1M characters
Output Price
—
Input
Text
Output
Audio

Capabilities

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

Batch

Model Information

Product
Text-to-Speech
Release Date
Mar 2025
Data Policy
Configurable
Region
US
Input
Text
Output
Audio
Provider Documentation

Playground

Try Neural HD Flash by Microsoft Azure. Requests use the selected workspace’s credits and API pricing.

Neural HD FlashCredits —
Neural HD Flash
⌘ / Ctrl + Enter to send

Providers

Compare available endpoints, pricing, and context limits for Neural HD Flash.

ProviderContextOutputInput PriceOutput PriceEndpoint
Microsoft AzureNot specifiedAudio$12.75 / 1M characters—
azure/neural-hd-flash:azure

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

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": "azure/neural-hd-flash",
  "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
modelazure/neural-hd-flash — Required model identifier.

Input and Output Limits

Formats and limits AudioLab enforces on each request.

LimitValue
Max chars5000
Formatswav, mp3

Similar Models

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

ModelContextInput PriceOutput Price
MAI-Voice-2Microsoft AzureNot specified$18.70 / 1M characters—
neuralMicrosoft AzureNot specified$12.75 / 1M characters—
Sonic 3.6CartesiaNot specified$38.25 / 1M characters—
Sonic 3.6 (2026-08-27)CartesiaNot specified$38.25 / 1M characters—
tts-rt-v2SonioxNot specified$11.985 / 1M characters—
Inworld TTS-2 FlashInworld AINot specified$12.75 / 1M characters—
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