# CastReader (ChatGPT Plugin)

> Read answers aloud

- Type: plugin
- Publisher: CAST AI PTE. LTD. (official)
- Categories: Development
- Website: https://chatgpt.com/plugins/plugins_6aaaa52666208191b7e575b264f338a9
- Open in ChatGPT: https://chatgpt.com/plugins/plugins_6aaaa52666208191b7e575b264f338a9
- Version: 0.1.4
- Listed: 2026-10-15

## About

Read English Codex answers aloud in the right-side CastReader page, preserving headings, lists, tables, links and code while spoken words are highlighted. Try it in a new task: ask Codex to write a short English answer and read it aloud, or read an existing answer in the same task. Sign in to your existing CastReader account for 20 free AI reading minutes per day or unlimited ordinary reading with Pro. Audio is prepared ahead for continuous reading, with pause, resume and paragraph navigation. No developer API key is needed for answer reading.

Separately, build runnable voice features and generate MP3/WAV files with CastReader Voice API estimates and resumable jobs. Developer API credit is separate from consumer membership. This answer-reading release supports English and highlights the formatted reading page.

## Install

1. **Add it in ChatGPT** Open Plugins in the ChatGPT sidebar (web or desktop), search for “CastReader” and select +. You'll be asked to sign in to any connected service on first use. Then type @ in a chat to call it.

## Skills

- **Build with CastReader**: Deliver a runnable text-to-speech feature
- **Generate CastReader audio**: Create playable audio with costs and recovery
- **Read a Codex Answer**: Read formatted answers with synchronized highlighting

## Example prompts

- "Write a short English answer about reading, then read it aloud in the right-side page with synchronized word highlights."
- "Add a working text-to-speech feature to my app."
- "Generate an MP3 from this text and show the cost."

## Related

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Source: https://chatgptplugins.directory/plugins/castreader · Index: https://chatgptplugins.directory/llms.txt · Independent and community-run. Not affiliated with or endorsed by OpenAI. ChatGPT is a trademark of OpenAI.