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higgs-audio-v2.5

deepinfra/higgs-audio-v2.5

Boson AI's Higgs Audio V2.5 (January 2026): a 1B expressive text-to-speech model that beats the earlier 3B Higgs Audio V2 on speed and accuracy, aligned with GRPO for stable prosody and better voice cloning. Succeeded by Higgs Audio v3.

API
curl "$AUDIOLAB_API_URL/v1/audio/speech" \
  -H "Authorization: Bearer $AUDIOLAB_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "deepinfra/higgs-audio-v2.5",
  "input": "Make every word count.",
  "voice": "auto",
  "response_format": "pcm"
}' --output speech.pcm
Input Price
$17.00 / 1M characters
Output Price
—
Input
Text
Output
Audio

Capabilities

Explore what higgs-audio-v2.5 supports, then use the API section for a request tailored to this model.

Batch

Model Information

Provider
DeepInfra
Product
Text-to-Speech
Release Date
Jan 9, 2026
Data Policy
Not specified
Region
US
Input
Text
Output
Audio
Provider Documentation

Playground

Try higgs-audio-v2.5 by DeepInfra. Requests use the selected workspace’s credits and API pricing.

higgs-audio-v2.5Credits —
higgs-audio-v2.5
⌘ / Ctrl + Enter to send

Providers

Compare available endpoints, pricing, and context limits for higgs-audio-v2.5.

ProviderContextOutputInput PriceOutput PriceEndpoint
DeepInfraNot specifiedAudio$17.00 / 1M characters—
deepinfra/higgs-audio-v2.5:deepinfra

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 chars1500
Formatspcm

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": "deepinfra/higgs-audio-v2.5",
  "input": "Make every word count.",
  "voice": "auto",
  "response_format": "pcm"
}' --output speech.pcm
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
modeldeepinfra/higgs-audio-v2.5 — Required model identifier.

Input and Output Limits

Formats and limits AudioLab enforces on each request.

LimitValue
Max chars1500
Formatspcm

Similar Models

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ModelContextInput PriceOutput Price
audio8DeepInfraNot specified$4.25 / 1M characters—
qwen3-ttsDeepInfraNot specified$17.00 / 1M characters—
qwen3-tts-voicedesignDeepInfraNot specified$17.00 / 1M characters—
Chatterbox TurboDeepInfraNot specified$0.85 / 1M characters—
chatterbox-multilingualDeepInfraNot specified$0.85 / 1M characters—
csm-1bDeepInfraNot specified$5.95 / 1M characters—
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