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Voicebox
Voicebox is a desktop application for voice cloning, speech generation, and AI dictation that runs entirely on local hardware using multiple open-source engines.
Voicebox is a desktop application for voice cloning and speech generation that operates entirely on local hardware. It supports seven distinct text-to-speech engines, including Qwen3-TTS and Chatterbox, allowing users to clone voices from as little as three seconds of audio. The application includes a timeline-based stories editor for mixing multi-voice content and an audio effects pipeline to adjust pitch, reverb, and compression. For transcription and agent interaction, the software utilizes Whisper for speech-to-text and connects to MCP-aware agents like Claude Code or Cursor. Users can access their local voice engines via REST endpoints for application development without API keys or rate limits. All processing occurs on the user's machine, ensuring data privacy for voice profiles and generated audio.
Voicebox at a glance
- Best for: Social media creator, Writer
- Runs on: macOS, Windows, Linux
- Pricing: Free and open source; optional cloud backup and sync subscription.
- Released: January 2026
- Category: AI audio tool
- Website: voicebox.sh
Key features
- Voice cloning with seven distinct TTS engines
- Local GPU inference via Metal, CUDA, ROCm, Intel Arc, or DirectML
- Timeline-based multi-voice stories editor
- Whisper-powered speech-to-text transcription
- MCP-aware agent integration for voice replies
- REST API access for local voice generation
- Audio effects pipeline with pitch, reverb, and delay
Use it for
- Generating NPC dialogue for games
- Creating narration for audiobooks
- Dictating text into desktop applications
- Binding AI agents to unique voice profiles
- Batch-generating podcast intros
Alternatives to Voicebox
- VoxCPM — Provides tokenizer-free multilingual speech with controllable voice creativity.
- VoiceStudio — Runs locally on your machine with no account, cloud connection, or API keys required.
- Fish Audio — Provides studio-grade voice cloning and text-to-speech with emotion control.
- GPT-SoVITS — It allows high-fidelity voice cloning with as little as one minute of data.
- MOSS-TTS — Delivers zero-shot voice cloning and fine-grained pronunciation control.
- Audimind — It combines script editing, AI narration, smart alignment, and multi-track audio mixing in one workspace.
- OpenLess — Keeps data local and allows the use of your own preferred ASR and LLM providers.
- Respeecher — Engineered for professional production workflows with ethical standards.
- Faster Whisper GUI — Provides a visual interface for faster-whisper, whisperX, and Demucs models.
- ElevenLabs — Natural AI voices, with 10,000+ voices in 70+ languages
- Voice-Swap — Rights-first AI infrastructure with studio-grade singing and voiceover models.
- talkflow — Transcribes speech entirely on your device with no word limits or cloud accounts
All Voicebox alternatives