Who is Chatterbox TTS API for?

Inferred · not functionally tested: Chatterbox TTS API is an open-source project built for developers building TTS or AI voice applications.

Does Chatterbox TTS API have a free plan?

Basis unknown · not verified: Yes — Chatterbox TTS API is open source under the AGPL-3.0 license and free to use.

What platforms does Chatterbox TTS API run on?

Basis unknown · not verified: Chatterbox TTS API runs on the web, the command line, and API. It can also be self-hosted.

What projects are similar to Chatterbox TTS API?

Similar projects tracked by PulseGate include Chatterbox TTS, Chatterbox-Multilingual-TTS, and Chatterbox TTS.

Who develops Chatterbox TTS API?

Chatterbox TTS API is developed by Chatterbox Maintainers.

When did Chatterbox TTS API launch?

Chatterbox TTS API first shipped in 2025.

Back to the index

Chatterbox TTS API

Name: Chatterbox TTS API
Author: Chatterbox Maintainers

chatterboxtts.comInfrastructure

PulseGate's liveness check found it on 14 Oct 2026; it is registered on GitHub and has been in the index since 29 Jun 2026. How this is checked

Chatterbox TTS API provides a local text-to-speech API server that is compatible with the OpenAI TTS API, allowing users to generate multilingual, voice-cloned speech. Designed as a drop-in replacement for the OpenAI TTS API, it enables integration with applications that already use the OpenAI interface, such as Open WebUI and AnythingLLM, without requiring code changes. The platform addresses the need for customizable, on-premises speech synthesis with support for a wide…

Inferred · not functionally tested

Open SourceAGPL-3.0WebCLIAPISelf-hosted

Visit chatterboxtts.com

616stars

146forks

6features

2025since

Overview

6 features

Purpose: Enabling developers to generate multilingual, voice-cloned speech locally or via API without relying on proprietary cloud services.

Inferred · not functionally tested

Audience: developers building TTS or AI voice applications

Inferred · not functionally tested

Functions: voice_synthesis

Inferred · not functionally tested

Interfaces: API: indicated (inferred, not tested) · MCP: unknown · CLI: indicated (inferred, not tested) · Self-hosting: indicated (inferred, not tested)

Recorded constraints: pricing: open_source · license: AGPL-3.0 · platforms: CLI, WEB · deployment: browser, cli, api_only, self_hosted

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: chatterboxtts.com · github.com. These links do not verify the individual claims.

In the Text to speech space, Chatterbox TTS API takes a focused approach. Inferred · not functionally tested: Enabling developers to generate multilingual, voice-cloned speech locally or via API without relying on proprietary cloud services. Inferred · not functionally tested: It is built as an open-source project for developers building TTS or AI voice applications. Basis unknown · not verified: The project is open source (AGPL-3.0). Basis unknown · not verified: It runs on the web, the command line, and API, and it can be self-hosted.

Behind Chatterbox TTS API is Chatterbox Maintainers, and it first shipped in 2025. The project is developed in the open on GitHub with 616 stars. Inferred · not functionally tested: Key capabilities include voice cloning, multilingual support, and OpenAI-compatible API. Inferred · not functionally tested: Catalogued interfaces include a public API.

Summary written by a language model from the project’s public pages.

Tasks: Inferred · not functionally tested

Voice cloning
Multilingual support
OpenAI-compatible API
Local deployment
Speech synthesis
Language-aware cloning

Topics: Inferred · not functionally tested

Built with & integrations

Framework

Next.jsFastAPI

Hosting

Vercel

AI providers

local_oss

Connectors

API

Runs on

BrowserCLIAPI-onlySelf-hosted

Detected from

Next.js: x-nextjs-prerender header · /_next/static/ in the HTML · __next_f in the HTML
Vercel: x-vercel-id header · x-vercel-cache header

Trust & compliance

License

AGPL-3.0

Public signals

HTTPSOpen SourceFree tierGitHub · ★ 616

Indexing history

What PulseGate has recorded for this listing

Nothing recorded for this listing in this window.

Frequently asked questions about Chatterbox TTS API

What is Chatterbox TTS API?: Inferred · not functionally tested: Enabling developers to generate multilingual, voice-cloned speech locally or via API without relying on proprietary cloud services. It is catalogued under Text to speech on PulseGate.
Who is Chatterbox TTS API for?: Inferred · not functionally tested: Chatterbox TTS API is an open-source project built for developers building TTS or AI voice applications.
Does Chatterbox TTS API have a free plan?: Basis unknown · not verified: Yes — Chatterbox TTS API is open source under the AGPL-3.0 license and free to use.
What platforms does Chatterbox TTS API run on?: Basis unknown · not verified: Chatterbox TTS API runs on the web, the command line, and API. It can also be self-hosted.
Is Chatterbox TTS API still active?: PulseGate's liveness check found it on 14 Oct 2026.
What projects are similar to Chatterbox TTS API?: Similar projects tracked by PulseGate include Chatterbox TTS, Chatterbox-Multilingual-TTS, and Chatterbox TTS.Chatterbox TTS Chatterbox-Multilingual-TTS Chatterbox TTS
Who develops Chatterbox TTS API?: Chatterbox TTS API is developed by Chatterbox Maintainers.
When did Chatterbox TTS API launch?: Chatterbox TTS API first shipped in 2025.

At a glance

Platforms: CLI · Web
Languages: English
Open source: Yes · ★ 616
License: AGPL-3.0
Model: Open source
Purpose: Enabling developers to generate multilingual, voice-cloned speech locally or via API without relying on proprietary cloud services.Inferred · not functionally tested
Audience: developers building TTS or AI voice applicationsInferred · not functionally tested

Registered as

GitHub: travisvn/chatterbox-tts-api

Developer

Chatterbox Maintainers

Solo developer

GitHub

Open source

View on GitHub

Stars: 616
Forks: 146
Open issues: 15
Last commit: 23 Dec 2025
Commits 90d: 0
Contributors: 1
Authorship: Solo
Default branch: main

Index record

Indexed: 29 Jun 2026
Lifecycle: Alive
Last seen: 29 Jun 2026

Identity audit (11)

Slug: chatterbox-tts-api-chatterboxtts-com
Lifecycle last checked: 14 Oct 2026
Identity check: 1 linked identifier: not checked
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 29 Jun 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Derived from the project's own page and URL.
Category from: Recorded source: taxonomy-pass-b.
Languages from: Detected by a language model, checked against the page's own declaration.
Canonical URL: https://chatterboxtts.com/

Cite this record

Chatterbox TTS API. PulseGate. Record created 29 Jun 2026. https://www.pulsegate.ai/apps/chatterbox-tts-api-chatterboxtts-com

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