Dia 1.6B

Speech

dia-1.6b

Nari Labs|Created Oct 30, 2026

Speech

Dia is a 1.6B parameter text to speech model created by Nari Labs. Dia directly generates highly realistic dialogue from a transcript. You can condition the output on audio, enabling emotion and tone control. The model can also produce nonverbal communications like laughter, coughing, clearing throat, etc.

Overview Specifications Activity Performance Uptime Examples API Reference

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Pricing-50%

Pay-as-you-go rates for this model. More details in the billing guide.

Speech (1k)

$0.02

Capabilities

Input Modalities

Text

Output Modalities

Audio

Usage Analytics

Token usage of this model on our platform

Not enough activity data to display a chart

Throughput

Not enough throughput data

Time-To-First-Token (TTFT)

Not enough TTFT data

Code Example

Example code for using this model through our API with Python (OpenAI SDK) or cURL. Replace placeholders with your API key and model ID.

Basic request example. Ensure API key permissions. For more details, see our documentation.

from openai import OpenAI
from pathlib import Path

client = OpenAI(base_url="https://api.naga.ac/v1", api_key="YOUR_API_KEY")

speech_file_path = Path("speech.mp3")
resp = client.audio.speech.create(
    model="dia-1.6b",
    voice="alloy",
    input="Hello from NagaAI Text-to-Speech!"
)
resp.stream_to_file(speech_file_path)