STTBox › Voice Input for ChatGPT
Under review — coming soon to Chrome Web Store

Voice input for ChatGPT. Talk to AI, hands-free.

Stop typing long prompts. With STTBox, just speak — your words flow into ChatGPT's chat box instantly. Free, unlimited, works in 50+ languages.

No spam. One email when we launch.

Compatible AI tools

Works on every major AI platform

STTBox isn't locked to ChatGPT. It works on the full AI ecosystem — dictate wherever you think.

ChatGPT Claude.ai Google Gemini Perplexity Microsoft Copilot Mistral Le Chat Grok DeepSeek

How it works

Dictate ChatGPT prompts in seconds

1

Install STTBox

Add the free extension from the Chrome Web Store. No sign-up required.

2

Open ChatGPT, click the input

Click inside ChatGPT's message input box — the one where you'd normally type.

3

Press Alt+Shift+V and speak

Your voice is transcribed directly into ChatGPT's input. Hit Enter when done.

Why STTBox

The fastest way to prompt AI

Speaking is 3× faster than typing. For long, complex prompts, STTBox is the difference between 30 seconds and 2 minutes.

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3× faster than typing

Average speaking speed is 130 words/minute. Average typing speed is 40. Use that gap.

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Prompt in any language

Dictate prompts in Chinese, Japanese, Arabic, Hindi, Spanish, and 45+ more languages.

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AI prompt polish (Plus)

Select your rough dictated prompt → AI Polish → restructured, more precise, better results from ChatGPT.

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Your prompts stay private

STTBox uses local speech recognition. Your prompts never pass through STTBox's servers.

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No limits, no account needed

Dictate all day without hitting a wall. Core features are free forever.

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Hands-free workflow

Say your prompt, say "send" (or just press Enter), read the response — all without touching the keyboard.

FAQ

Voice input for ChatGPT — questions answered

Yes. STTBox lets you dictate your prompts directly into ChatGPT's chat box. Press Alt+Shift+V, speak your prompt, and STTBox types it for you. It works on ChatGPT, Claude.ai, Google Gemini, and other AI tools.
Yes. Voice input for ChatGPT is completely free with no daily limits. The optional Plus plan ($4.99/mo) adds AI prompt polish so your dictated prompts are cleaner and get better results.
Yes. STTBox works on ChatGPT, Claude.ai, Google Gemini, Perplexity, Microsoft Copilot, and virtually any AI chat interface with a text input field.
ChatGPT's voice mode is a full conversation interface — it speaks back, interrupts, and doesn't let you type. STTBox is for dictating into the text box: you speak, review, edit, then send. It also works on Claude, Gemini, and every other AI tool, not just ChatGPT.

Talk to AI at the speed of thought

Join the waitlist — be first to know when STTBox launches on the Chrome Web Store.

Also works on Gmail, Notion, Twitter, LinkedIn, and anywhere you type.