Fix grammar and polish your writing
Automatically fix grammar and improve the clarity of your hand-written text.
Browser AI assistant with voice understanding
Γράψτε, ξαναγράψτε και λάβετε βοήθεια AI μέσα στο πρόγραμμα περιήγησης ή ξεκινήστε να μιλάτε και αφήστε το Ceres να μετατρέψει τις σκέψεις σας σε κείμενο ή να σας απαντήσει.
AI writing assistant
Rewrite text directly where you are already working with just a button.
Browser built-in AI
Ceres uses AI technologies that run locally on your computer whenever possible, unless you choose to connect your own AI provider.
Rewrite and improve
Collapse text by keeping the meaning or expand to add more detail.
Write or rewrite anything with your voice
Press the Command, give your instructions in your own language and lets it transform anything into ready to send text.
Reorder a messy list
Just say, “Sort my list from A to Z,” and your product list becomes professionally sorted, with bullets if you prefer.
Improve article on the fly
Keep speaking to add more examples and expand your article as you go.
Custom AI writing buttons
Save your repeated writing instructions as reusable buttons and run them in one click.
Save your best prompts
Improve prompts for AI apps, translate text, or create your own custom actions.
Use them anywhere
Run your own writing action on selected text directly inside the page.
Context-aware AI sidebar
Use any open page as context to carry out thorough research.
More than a chat
Drop local files or selected open tabs directly with AI chat.
Complete article writing
Generate full-length articles with citations and references using rich browser context.
Ceres gives more power to your browser
Ceres is powered by your favorite models, including GPT, Claude, Gemini, DeepSeek, and more.
We do not resell AI subscriptions. Ceres lets you connect the provider you choose directly.
Choose your AI provider
Connect OpenAI, Claude, DeepSeek, local AI, or another provider that fits your work.
Direct connection
Ceres connects directly to your selected provider, with no extra service in the middle.
Supported models
Use browser built-in AI for fast writing actions, or connect OpenAI, Claude, DeepSeek, or any other when you need more power.
Browser writing and reading tools
Write, read, listen, and use page context without moving the work somewhere else.