Save yourself
an hour everyday
Use AI in Excel formulas to run your prompt on thousands of rows of tasks in minutes.
AI models in your spreadsheet








Monitor Web Content
Monitor your competitor's blogs, prices, and social media everyday before your daily 09:00 meeting.
Import Data
Import structured data from files on your disk, scrape web pages, or format data for charting, sorting, and other Excel functions.
Trigger External Tools
Perform actions in other systems like sending emails, updating CRMs, or making API calls.
Create Product Descriptions
Generate product descriptions and quickly translate them into multiple languages.
Use AI in Excel formulas
The fast way to actually get AI working for you
Turn your Excel expertise into AI skills
- Make quick work of data cleaning, classification, and extraction tasks that once took hours.
- Build AI-driven workflows within your comfort zone — no new programming langues to learn.
- Become your team's go-to Excel person. Automate for yourself, then share your technique.
“I love feeding data to ChatGPT, one copy-paste at a time”
— no one who’s run the same prompt 5 times
Boost team productivity, no developers needed
- Immediately free your team from repetitive manual work with the spreadsheet they already master.
- Bypass lengthy rollouts of specialized AI systems. Your team already have Excel on their computers.
- Enable marketing, finance, sales, operations and other teams to automate everyday tasks without depending on developers.
This is the second legitimate use for AI I've seen in the past three years.
— Addy Espresso, on x.com
Personal Support
We personally respond to every email, and deeply care about the problems we're solving. Want to be personally onboarded? Find a bug? Email us.
Reliable
We run a self-funded, sustainable business backed 100% by our customers. Cellm is built to last, and we expect to be running it in ten years.
Hosted & Local Models
Use the world's most powerful models from Anthropic, OpenAI, and others, or run models on your own computer to ensure no data ever leaves your machine.
You already use AI for everyday tasks
Now use an Excel formula to run your prompt on thousands of rows of tasks.
Simple to install, quicker than
copy-pasting chat messages
- Sign up and install.
- Open Excel and select your preferred model.
- Instantly use AI formulas, no coding required.
First off, love this tool. Thank you! Works well with the default Ollama.
— Agentc77, on github.com
If you can write a formula,
you can use Cellm.
- AI formulas behave like native Excel cells.
- Prompts can reference other cells and re-run when inputs change.
- Outputs can be filtered, charted, and used in other Excel formulas.
D | E | F | G | H | I | J |
---|---|---|---|---|---|---|
D | E | F | G | H | I | J |
---|---|---|---|---|---|---|
Simple, transparent pricing
Start slow, upgrade as you grow. No hidden fees or long-term commitments.
Power User
Full flexibility for technical people. Ideal if you prefer to manage your own API keys or run models locally.
- Anthropic, OpenAI, and local models
- Zero data retention
- Community & Email support
Professional
Maximum performance with minimal setup. Includes $20 of Google Gemini usage. We handle Google API keys.
- AWS, Azure, Google, and more
- We handle API keys for you
- Use external tools and data via MCP
Teams
The easiest way for your team to use AI in Excel. Pay only for assigned users after setup. Includes $40 of Google Gemini usage.
- Central billing
- Team management
- Every feature we got