Simple, transparent pricing

Start slow, upgrade as you grow. No hidden fees or long-term commitments.

Power User

Full flexibility. Ideal if you prefer to manage your own API keys or run models locally.

$9/month
Run local models or bring-your-own API key. No hidden markups.

Teams

The easiest way for your team to use AI in Excel. Pay only for assigned users after setup.

$49/month/user
Includes 400.000 prompts/month/user (Gemini 2.5 Flash with 400 input and 60 output tokens)
Privacy
Zero data retention
We save no prompts or data from your spreadsheet.
Zero data retention
We save no prompts or data from your spreadsheet.
Zero data retention
We save no prompts or data from your spreadsheet.
Support
Community support
Github, Discord
Community support
Github, Discord
Community support
Github, Discord
Email support Email support Email support
Providers
Unlimited number of requests
You pay your provider directly via your API key. Local model usage is free.
200.000 prompts/month
$20 credits / Gemini 2.5 Flash with 400 input tokens, and 60 output tokens
400.000 prompts/month/user
$40 credits / Gemini 2.5 Flash with 400 input tokens, and 60 output tokens
Local models
Ollama, vLLM, Llamafiles
Local models
Ollama, vLLM, Llamafiles
Local models
Ollama, vLLM, Llamafiles
Hosted models
Anthropic, OpenAI
Hosted models
Anthropic, OpenAI, DeepSeek, Mistral, and any OpenAI-compatible API
Hosted models
Anthropic, OpenAI, DeepSeek, Mistral, and any OpenAI-compatible API
Cellm-managed models Cellm-managed models
Google Gemini, hosted in EU
Cellm-managed models
Google Gemini, hosted in EU
Model Usage Costs
Zero overhead
Pay directly via your API key. Local models are free.
Included
We pay Google for your Gemini usage
Included
We pay Google for your Gemini usage
Tools
File Search
Search for files on your disk
File Search
Search for files on your disk
File Search
Search for files on your disk
File Reader
Read files on your disk
File Reader
Read files on your disk
File Reader
Read files on your disk

What every plan gets you

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.

Batch Processing

Use Cellm for repetitive tasks that would normally require copy-pasting data in and out of a chat window many times.

Hosted models

Use some of the worlds most powerful models from Anthropic and OpenAI (paid plans give you access to many more providers).

Local models

Use local models running models on your own computer via Ollama, vLLM, or Llamafiles and ensure no data ever leaves your machine.

Secure and Privacy-first

Your spreadsheets are your own business. We have no interest in your data. Read more in our Security and Privacy policies.

File Search and File Reader

Analyze thousands of files by letting models read PDFs, extract meaning, and classify content.

Response Caching

AI outputs can be cached such that identical prompts use the same model response, saving you time and usage costs.

Free updates, forever

Cellm continously receives updates and bug fixes. Download the latest version from github.com/getcellm/cell/releases.

Frequently Asked Questions

Which plan is right for me?
If you're just getting started, the Power User plan is a great way to try out Cellm. If you need more powerful models or are part of a larger team, the Professional or Teams plans would be a better fit. Choose Professional if you prefer using your own API keys. Choose the Professional plan if you prefer to just get stuff done. We will handle API keys, payment for model usage, and make sure the model providers don't use any of your data for training their models. Choose the Teams plan if you also want central billing or more credits.
Do you offer a free trial?
No, we do not offer a free trial.
What is an API key?
An API key is a unique identifier that authenticates your direct requests to use hosted models. When you use your own API key, you're responsible for managing your own billing relationship with the model provider. When you use Cellm's hosted models on the Professional or Teams plans, we manage the API keys and billing on your behalf, and you pay via your subscription instead.

Security & Privacy

What are your security and privacy policies?
You can learn more about our privacy policy here and about our security policy here. In short, we take security and privacy very seriously because we are an independent, bootstrapped company that relies entirely on your trust instead of ads or selling user data.
Do you save any data from my spreadsheets?
No, we never save any data from your spreadsheets. If you use your own API key to other model providers, you need to read their privacy policy because whether they use your data or not is between you and them. If you don't login to the Cellm client, we save your prompts to understand how you use Cellm so we can improve it, but even here we specifically and deliberately do not save any data from your spreadsheet.

Billing & Payments

How does billing work?
Billing works on a monthly subscription cycle and you are charged at the beginning of each cycle. All payments are processed securely through Stripe.
  • For the Power User plan ($9), you pay a flat monthly subscription fee to Cellm. Any usage costs from hosted AI models are billed to you directly by those providers, not Cellm.
  • For the Professional plan ($5/month), your monthly subscription includes a $20 credits that covers your usage Cellm-managed Google models. We pay Google for your usage, deducting from your credit. Any usage beyond the $20 credit is paused until your next billing cycle. You can renew your billing cycle whenever you want to top up your account.
  • As an administrator of your Teams plan, your monthly subscription includes a $40 credits for each of your team members' usage of Cellm-managed Google models. We pay Google for your usage, deducting from your credit. Any usage beyond the $40 credit is paused until your next billing cycle. You can renew your billing cycle whenever you want to top up your account.
You can view your billing history and manage your subscription details in your account settings.
What happens if my payment fails or needs to be updated?
If a scheduled payment for your subscription fails, your account will remain active but you will lose access to the paid features. Our payment processor, Stripe, will automatically attempt to retry the payment a few times over the following days. We will also send you email notifications informing you about the failed payment and providing instructions on how to update your payment method. You can update your card details or payment method directly in your dashboard.
Can I change plan at any time?
Yes, you can switch plans at any time. The change is applied at the beginning of you next billing cycle.

Refunds & Cancellation

Do you offer any discounts?
No, we do not offer any discounts.
Do you offer refunds?
Yes, see our refunds page.
Can I cancel my subscription at any time?
Yes, you can cancel your subscription at any time. If you cancel your subscription, you will still be able to use Cellm until the end of your billing period. After that, you will be downgraded to an inactive plan.

Model Usage Credits

How do you calculate model usage costs?
We use the pricing on Google's pricing page. For example, Google charges $0.15 per million input tokens and $0.6 per million output tokens for Gemini 2.5 Flash. For each prompt, we calculate the cost from the length of your prompt and model's response and deduct the cost from your balance. We don't charge anything on top of your usage. Taxes, fees to our payment provider, and any other expense on our part is covered by the $9/month base fee.
How does my provider calculate model usage costs?
Most providers typically calculate costs as $X per million input tokens plus $Y per million output tokens. Look up the numbers on your provider's pricing page.
What happens if I spend all my credits before the end of the billing cycle?
Access to Cellm-managed models will be paused until your next billing date. However, you can renew your subscription immediately and continue using hosted models without interruption. Alternatively, you can switch to local models or bring your own API keys (BYOK) at any time.
What happens if I still have credits left by the end of billing cycle?
Unused credits do not roll over to the next month. If you consistently have leftover credit, you might consider adjusting your usage patterns or exploring more powerful models.
What is "Bring-your-own API Key" (BYOK)?
BYOK allows you to use your own API key from model providers instead of using Cellm's hosted models. This option is available on all plans. When you use BYOK, you manage your own billing relationship with the model provider directly, and your data is sent only to the model provider without going through Cellm's servers.