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Whisper API

Whisper API

by Lemonfox.ai · Launched 2023

Whisper API by Lemonfox.ai provides audio transcription using the Whisper Large V3 model. It supports over 100 languages, speaker diarization, and offers an OpenAI-compatible API for developers building transcription into applications.

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Overview

Whisper API is a developer tools tool developed by Lemonfox.ai, launched in 2023. Whisper API by Lemonfox.ai provides audio transcription using the Whisper Large V3 model. It supports over 100 languages, speaker diarization, and offers an OpenAI-compatible API for developers building transcription into applications. It is designed for podcast transcription, meeting transcription, video captioning and more. Key capabilities include Whisper Large V3 model, Speaker diarization, 100+ languages supported, English translations and summaries, OpenAI-compatible API and 1 additional features. Available on api. The tool uses a paid pricing model and offers a free trial.

Whisper API integrates with OpenAI-compatible API, REST API, Developer applications.

Developers building transcription into applications

Platforms

api

API

Available

Free Plan

No

Open Source

No

Mobile App

No

Views

51

Updated

September 18, 2026

Whisper API: Complete Review

Whisper API by Lemonfox.ai provides developer-friendly audio transcription using OpenAI's Whisper Large V3 model. At $0.17 per hour with 30 hours free in the first month, it positions itself as an affordable, production-ready transcription service.

Transcription Quality

The service uses Whisper Large V3, the most capable open-source transcription model available. This means accuracy across accents, background noise, and specialized vocabulary that smaller models struggle with.

Developer Experience

The API is OpenAI-compatible, meaning developers already using OpenAI's audio transcription can switch by changing the endpoint URL. Documentation provides curl examples, and the service claims integration within minutes.

Features

Beyond basic transcription, the API offers speaker diarization to identify multiple speakers, support for over 100 languages, and English translation or summaries. These features make it suitable for meeting transcription, podcast processing, and video captioning.

Pricing

At $0.17 per hour of transcription, Whisper API is positioned as an affordable solution. The first month includes 30 hours free, which is generous for testing and initial development.

Strengths

  • Uses Whisper Large V3 for high accuracy
  • OpenAI-compatible API for easy integration
  • Speaker diarization included
  • 100+ languages supported
  • 30 hours free in first month
  • Considerations

  • No mobile app
  • Non-developers directed to separate tool
  • No visual interface for manual transcription
  • Verdict

    Whisper API is the best choice for developers who need affordable, high-quality transcription integrated into their applications. The OpenAI compatibility and generous free tier make it accessible for both prototyping and production use.

    Whisper Large V3 model
    Speaker diarization
    100+ languages supported
    English translations and summaries
    OpenAI-compatible API
    Multiple file format support

    Developers building transcription into applications

    Pros

    • High accuracy with Whisper Large V3
    • OpenAI-compatible for easy integration
    • Speaker diarization included
    • 30 hours free in first month
    • Affordable per-hour pricing

    Cons

    • No mobile app
    • No visual interface for non-developers
    • Pay-as-you-go only

    Free

    $0forever
    • Basic features
    • Limited usage
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    Most Popular

    Pro

    $15–30/month
    • Extended features
    • Higher limits
    • Priority support
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    Enterprise

    Custom
    • SSO/SAML
    • Dedicated support
    • Custom integrations
    Get Started
    Podcast transcription
    Meeting transcription
    Video captioning
    Multi-language audio processing
    OpenAI-compatible APIREST APIDeveloper applications
    View All AI Tools

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