CotranslatorAI is our flagship, AI-powered Windows-based software program for language professionals. We offer three editions, each matched to different budget and productivity goals.
To date, CotranslatorAI is the best solution leveraging AI that I have seen. It puts me in the driver’s seat. It circumvents the need to use antiquated tools. I feel like I’m doing something right.
Everything you need for a productive, AI-powered workflow
$47 USD/year
One-year license; one-time payment of $47 USD
Your license code and install instructions are sent by email within 12 to 24 hours after purchase, sometimes significantly more quickly.
Your purchase of CotranslatorAI is backed by a 30-day money-back guarantee.
Features:
Industry-standard data protection
CotranslatorAI employs a direct API connection to OpenAI’s GPT models, ensuring a secure, encrypted pathway for your data. Furthermore, OpenAI does not use your data for updating its models, nor for reinforced learning to direct model responses. This is an equivalent level of data security you would expect from any paid NMT service, such as DeepL.
Advanced context handling
CotranslatorAI boosts your language work with a robust and transparent context management approach, outshining platforms like ChatGPT. Start by setting up an AI dialogue context with your anchor prompt and source text, and continue adding new content without losing the thread. Unlike ChatGPT, which may forget older inputs, CotranslatorAI keeps every entry, giving you full control over when to refresh the context—crucial for a professional workflow.
User interface optimized for content transformation tasks
The buzz around generative AI often centers on its capabilities in content generation and ideation. However, as language professionals, we focus on content transformation. The CotranslatorAI interface is designed to help you transform content efficiently.
Quick Run menu for faster access to shortcuts and prompts (Basic)
Launch the Quick Run menu at your cursor in any Windows app with a keyboard shortcut. Instantly run any CotranslatorAI built-in keyboard shortcut or insert prompts from your library, right where you need them.
Use your prompts in any AI tool
Cross-platform AI prompting has never been simpler. Use the new Quick Run menu and other accelerators to quickly deploy the prompts from your CotranslatorAI Prompt Library across other AI platforms—like ChatGPT, Gemini, Claude, and others.
Sophisticated task acceleration
CotranslatorAI includes several built-in keyboard shortcuts that allow you to quickly and easily move content from any text editor in Windows, through the AI, and back to your text editor. Additionally, you can assign custom keyboard shortcuts to an unlimited number of specific, custom prompts, enabling you to integrate a myriad of use cases into your workflow. The interface even supports accelerator hooks for AutoHotkey and other keyboard emulating applications to further automate tasks.
Pre-loaded with ready-to-use template and sample prompts
If you’re new to using AI in your work, the template prompts in CotranslatorAI can guide you through designing your own prompts for various use cases. Additionally, you can immediately start using the dozens of sample prompts in your work.
AI response comparison with Tracked Changes
Use the new Compare button in the Dashboard to view the latest AI response alongside the input text in Word’s Tracked Changes mode, making edits easy to spot. This capability is further expanded with the Before/After window, where you can paste (or send from the Quick Run menu) any text from Windows for quick comparison.
Versatile, unlimited prompt library
The CotranslatorAI Prompt Library is a powerful resource in and of itself, letting you engineer, organize, and access your prompts quickly and easily for use in all of your AI-powered workflows, both in CotranslatorAI and in other tools.
Access to the latest AI models
CotranslatorAI connects transparently to the OpenAI models. You have instant access not only to the default and recommended models included in installation, but also to any models in the OpenAI family available through the API, including new ones as they are released. CotranslatorAI even supports reasoning models and fine-tuned models.
Dialogue context history logging
CotranslatorAI maintains an ongoing history of your interactions with the AI. You can save a record of this history to your local computer for follow-up analysis, process auditing, or other purposes. You can also delete the history at any time, or simply clear it from the main window.
Prompt-level support for advanced prompting and settings
CotranslatorAI allows full control at the individual prompt level. This means you can assign the right model, prompt action, temperature and keyboard shortcut to each and every prompt in your prompt library.
Detailed token statistics for every prompt
CotranslatorAI’s token counters let you check the token counts on prompts before you run them or keep a running tally of your token counts as you go. This is helpful both for assessing model effectiveness and for monitoring costs.
Transparent data control with no minimum usage costs
No more paying an expensive monthly fee for AI services you barely use. By connecting to the OpenAI server through the API in CotranslatorAI, you only pay for the data you use, starting from zero. Most users spend less than $5 USD/month for data.
Support for large prompt packs
The Prompt Library is a powerful, user-friendly tool for managing prompts, even allowing you to load and quickly access thousands–even tens of thousands–of prompts created by others. With CotranslatorAI Advanced, you can also apply extensive customizations to prompts in bulk.
Easy access to favorite and recent prompts
The Prompt Library provides many useful prompts, accessible individually via keyboard shortcuts. CotranslatorAI also lets you mark prompts as favorites, as well as a list of recent prompts, for quick access from a drop-down menu in the main window, helping you to boost your work efficiency even more.
Safe from security threats
CotranslatorAI does not employ any bots, assistants or other security threats. All prompt content is transparently under your control, avoiding “jailbreak” scenarios under which other tools may be vulnerable.
Customizable AI settings and profiles
Add and manage all your OpenAI model configurations in one place. Easily create, customize, and apply named profiles to any AI settings configuration for seamless switching between different models and settings.
Priority email support
Submit support tickets through our technical support page for one-on-one human support regarding your use of CotranslatorAI.
Installable on two of your computers
Don’t be left without access when you are travelling with your laptop and don’t have access to your office computer. Your CotranslatorAI license allows you to use the software on two of your computers.
One-time payment; no automatic renewal
CotranslatorAI pricing is translator friendly. With a one-year license, you get updates throughout the year. There is no automatic renewal; when your year is up, simply purchase again.
Your AI-powered solution for the most sustainably competitive workflow
$87 USD/year
One-year license; one-time payment of $87 USD
Your license code and install instructions are sent by email within 12 to 24 hours after purchase, sometimes significantly more quickly.
Your purchase of CotranslatorAI is backed by a 30-day money-back guarantee.
Same as CotranslatorAI Intermediate,
PLUS…
Multi-tabbed prompting
Multi-tabbed prompting is a game-changer for your workflow, giving you up to ten simultaneous channels into the AI models! Run an anchor prompt, do terminology research, and have the AI evaluate or edit previous translations all at the same time, even as you still have more tabs available for other miscellaneous tasks.
System prompt customization
Take unprecedented control over your AI interactions. Tailor the system prompt to include specific instructions that apply globally across all your prompts, and come back to update it as needed. This feature supports the use of variables, enabling dynamic updates to your prompts, such as changing languages on the fly. Choose your system prompt directly from the main window’s status bar: use the default, skip the system prompt, or select a custom one from your Prompt Library.
Tab collections that can be saved, loaded and shared
Save and reload your entire CotranslatorAI workspace, including prompts, AI settings, and dialog history. Facilitates quick project switching, easy collaboration, and modular workflows.
On-the-fly prompt iteration
Effortlessly save and update your latest prompts with just a click! Streamline your workflow and keep your latest iterations updated, ensuring consistency and efficiency in your work.
Restore previous session on restart or as needed
Never lose your place again. Automatically restore the latest tab sessions on restart, or reload past tab sessions to maintain context and continuity.
Priority updates in 2026 and beyond
We are still developing CotranslatorAI, and most of our effort is focused on upgrading CotranslatorAI Advanced. Look for new and yet more powerful features in the tool during your one-year license period.
Enhanced Quick Run menu
Display your favorite prompts in the Quick Run menu for instant access. Combine selected text with a chosen prompt and send it straight to the AI, then automatically paste the result or review and edit it in a response window—all without leaving your current app.
I wholeheartedly recommend CotranslatorAI for my fellow translators. Utilizing the GPT technology, this software simplifies many editing tasks, making them faster to complete. With a prompt library and shortcuts, CotranslatorAI improves upon ChatGPT by reducing the need to input instructions one at a time. This useful tool has positively impacted my work as a post-editor and translator.
The basic toolkit for an AI-powered workflow
Same as CotranslatorAI Intermediate,
BUT…
Upgrade reminder pop-up windows
While CotranslatorAI Starter will run all the OpenAI models that the others will, it also displays an upgrade reminder pop-up window at startup, every 5-10 prompts, and when using the dashboard. We invite you to upgrade to a paid version. We made it affordable so you can see the next level of CotranslatorAI power.
Supports only ten active user prompts in the Prompt Library
The Prompt Library is a feature for users who are making full use of CotranslatorAI. With ten prompts, you can start your AI journey as a language professional. But to achieve full productivity gains, we encourage you to upgrade to CotranslatorAI Intermediate or CotranslatorAI Advanced.
Support through our user guides and FAQs
For help, see our user guides and FAQs on the Documentation page.
