TTS OpenAI

Freemium

Advanced text-to-speech converter for documents, PDFs, and eBooks into MP3

TTS OpenAI is a text-to-speech platform that converts documents, PDFs, and eBooks into audio files. It features a voice library with diverse personas, adjustable speed settings, and an API for integration. The tool serves content creators and developers through a pay-as-you-go credit system (verified: 2026-01-29).

Jan 29, 2026
Get Started
Pricing: Freemium
Editor Score: 3/5
Last verified: Jan 29, 2026
Compare alternativesBrowse by task

Key facts

Pricing

Freemium

Use cases

Content creators converting written scripts into high-quality audio files for YouTube videos or professional audiobooks (verified: 2026-01-29), Developers integrating text-to-speech capabilities into third-party applications or virtual assistants using the provided API (verified: 2026-01-29), Business users transforming long-form documents and PDFs into MP3 format for auditory consumption and accessibility (verified: 2026-01-29)

Strengths

The platform provides high-definition voice models and a voice library with specific personas like Sage and Coral (verified: 2026-01-29), Users can process large text inputs up to 10,000 characters per request for efficient document conversion (verified: 2026-01-29), The system allows for unlimited retries at half the credit price to ensure the output meets user requirements (verified: 2026-01-29)

Limitations

The service requires a pay-as-you-go credit system where 1,000 characters cost $0.08 for standard high-quality models (verified: 2026-01-29), Advanced voice models require 2,000 credits per 1,000 characters, doubling the cost compared to standard high-quality options (verified: 2026-01-29)

Last verified

Jan 29, 2026

Editorial Review

3/5

Best For

  • Content creators converting written scripts into high-quality audio files for YouTube videos or professional audiobooks (verified: 2026-01-29)
  • Developers integrating text-to-speech capabilities into third-party applications or virtual assistants using the provided API (verified: 2026-01-29)
  • Business users transforming long-form documents and PDFs into MP3 format for auditory consumption and accessibility (verified: 2026-01-29)

Strengths

  • The platform provides high-definition voice models and a voice library with specific personas like Sage and Coral (verified: 2026-01-29)
  • Users can process large text inputs up to 10,000 characters per request for efficient document conversion (verified: 2026-01-29)
  • The system allows for unlimited retries at half the credit price to ensure the output meets user requirements (verified: 2026-01-29)

Limitations

  • The service requires a pay-as-you-go credit system where 1,000 characters cost $0.08 for standard high-quality models (verified: 2026-01-29)
  • Advanced voice models require 2,000 credits per 1,000 characters, doubling the cost compared to standard high-quality options (verified: 2026-01-29)

FAQ

What are the primary audio output formats and quality levels available for users?

The service allows users to convert text into downloadable MP3 audio files. It offers multiple quality tiers, including high-quality voices for basic applications and high-definition models for more complex emotional range. Users can select specific voice personas from the library to match their content needs (verified: 2026-01-29).

How does the credit system work for converting text into speech on this platform?

The platform utilizes a flexible pay-as-you-go model where users pay $0.00008 per credit. A standard conversion of 1,000 characters costs $0.08 for high-quality voices or $0.16 for advanced models. This system ensures that users only pay for the specific volume of text they process (verified: 2026-01-29).

Can developers integrate these text-to-speech capabilities into their own software projects?

The platform provides an API and technical documentation to allow developers to integrate the voice engine and speech creation services directly into their own applications. This allows for the automation of text-to-speech tasks and the inclusion of high-quality audio in third-party software environments (verified: 2026-01-29).