WatsonX Audio Transcription

Overview

Property	Details
Description	WatsonX audio transcription using Whisper models for speech-to-text
Provider Route on LiteLLM	watsonx/
Supported Operations	/v1/audio/transcriptions
Link to Provider Doc	IBM WatsonX.ai ↗

Quick Start

LiteLLM SDK

transcription.py

import litellm

response = litellm.transcription(
    model="watsonx/whisper-large-v3-turbo",
    file=open("audio.mp3", "rb"),
    api_base="https://us-south.ml.cloud.ibm.com",
    api_key="your-api-key",
    project_id="your-project-id"
)
print(response.text)

LiteLLM Proxy

config.yaml

model_list:
  - model_name: whisper-large-v3-turbo
    litellm_params:
      model: watsonx/whisper-large-v3-turbo
      api_key: os.environ/WATSONX_APIKEY
      api_base: os.environ/WATSONX_URL
      project_id: os.environ/WATSONX_PROJECT_ID

Request

curl http://localhost:4000/v1/audio/transcriptions \
  -H "Authorization: Bearer sk-1234" \
  -F file="@audio.mp3" \
  -F model="whisper-large-v3-turbo"

Supported Parameters

Parameter	Type	Description
model	string	Model ID (e.g., watsonx/whisper-large-v3-turbo)
file	file	Audio file to transcribe
language	string	Language code (e.g., en)
prompt	string	Optional prompt to guide transcription
temperature	float	Sampling temperature (0-1)
response_format	string	json, text, srt, verbose_json, vtt