A simple, powerful translation editor
Translate whole books in minutes, parse any word, and edit in natural language with Codex
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Powertools for translators
Codex is an editor built for translating text of any length in any language.
It uses powerful AI language models like gpt-4 and claude-3-opus to translate, edit, and annotate.
Click to translate. Click on any word to parse it. See the Guide for a full list of tools.
Get Started?
Paid plans for pros
After their first 500 tokens per day, free users switch to a less powerful AI model, gpt-3.5-turbo.
There's a paid plan, Codex Alpha, which includes 200,000 gpt-4 or claude-3-opus tokens per month. Additionally, Alpha users can buy as many extra tokens as they need on top of that.
Alpha users also get the option to translate hundreds of pages at once.
Codex Alpha
$30 / month
200,000 tokens per month ¹ ²
500 tokens per page
Translate multiple pages at once
Get Started
Free
$0
500 tokens per day ¹
500 tokens per page
Continue
¹ After which the model will become gpt-3.5-turbo and may be rate-limited. ² Alpha subscribers can buy extra tokens here.