Fireworks AI provides three ASR (Automatic Speech Recognition) features: Streaming Transcription, Pre-recorded Transcription, and Pre-recorded Translation. This guide shows you how to get started with each feature.

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Streaming Transcription

Convert audio to text in real-time using WebSocket connections. Perfect for voice agents and live applications.

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Quick Start

Use our optimized streaming model fireworks-asr-large for the best real-time performance. For a working example of streaming transcription see the following resources:
  1. Python notebook
  2. Python cookbook
For more detailed information, see the full streaming API documentation and the source code

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Pre-recorded Transcription

Convert audio files to text. Supports files up to 1GB in formats like MP3, FLAC, and WAV. Transcribe multiple hours of audio in minutes.

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Quick Start

For a working example of pre-recorded transcription see the Python notebook Available Models:
  • whisper-v3: Highest accuracy
    • model=whisper-v3
    • base_url=https://audio-prod.us-virginia-1.direct.fireworks.ai
  • whisper-v3-turbo: Faster processing
    • model=whisper-v3-turbo
    • base_url=https://audio-turbo.us-virginia-1.direct.fireworks.ai
For more detailed information, see the full transcription API documentation

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Pre-recorded Translation

Translate audio from any of our supported languages to English. Supports files up to 1GB in formats like MP3, FLAC, and WAV.

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Quick Start

!pip install fireworks-ai requests

from fireworks.client.audio import AudioInference
import requests
import time
from dotenv import load_dotenv
import os

load_dotenv()

# Prepare client
audio = requests.get("https://tinyurl.com/3cy7x44v").content
client = AudioInference(
    model="whisper-v3",
    base_url="https://audio-prod.us-virginia-1.direct.fireworks.ai",
    #
    # Or for the turbo version
    # model="whisper-v3-turbo",
    # base_url="https://audio-turbo.us-virginia-1.direct.fireworks.ai",
    api_key=os.getenv("FIREWORKS_API_KEY")
)

# Make request
start = time.time()
r = await client.translate_async(audio=audio)
print(f"Took: {(time.time() - start):.3f}s. Text: '{r.text}'")
For more detailed information, see the full translation API documentation

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Supported Languages

We support 95+ languages including English, Spanish, French, German, Chinese, Japanese, Russian, Portuguese, and many more. See the complete language list.

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Common Use Cases

  • Call Center / Customer Service: Transcribe or translate customer calls
  • Note Taking: Transcribe audio for automated note taking
  • Voice Agents: Use streaming transcription to create voice assistants, for a seamless voice-agent experience checkout our Voice Agent Platform

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Next Steps

  1. Explore advanced features like speaker diarization and custom prompts
  2. Checkout our voice agent platform Voice Agent Platform
  3. Contact us at [email protected] for dedicated endpoints and enterprise features