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# Plans

Sparkian offers a **Free** plan and paid tiers. Every plan runs on the same [Sparks](/sparks) system. The paid plans include a larger monthly Spark allowance, plus higher limits on things like knowledge base storage, chat history, seats, and file uploads.

For current plan names, prices, and exact limits, see [sparkian.com/pricing](https://sparkian.com/pricing) or **Settings → Billing** inside Sparkian (see [Account settings](/account-settings)).

## Managing your plan

**Settings → Billing** shows your current plan, Sparks balance and renewal date, and usage against your plan's seats, workspaces, and knowledge base limits, alongside cards for every plan so you can upgrade directly. Billing can be switched between monthly and annual pricing.

Downgrading a paid plan takes effect at the end of your current billing period, you keep paid access until then.

## How plan Sparks work

* Your plan's monthly Spark allowance refreshes each billing period and does **not** roll over.
* You can buy a one-time **Spark top-up** on any plan, including Free, if you need more before your next refresh — from **Settings → Billing → Add Sparks**. Purchased Sparks are used only after your plan's monthly allowance runs out, and expire one year after purchase.

## Model access

Some models are limited by plan. In the model picker, a model shows:

* Available to select
* **Sign in** — usable once you're signed in, even on the Free plan
* **Locked** — requires a paid plan

## Seats and workspaces

Paid plans include a set number of seats and workspaces. You can add extra seats beyond what's included for a per-seat monthly fee — add-on seats are available on paid plans only. See [Workspaces](/workspaces) for how members and roles work once you have a seat.

## Related

* [Account settings](/account-settings)
* [Sparks (credit system)](/sparks)
* [Workspaces](/workspaces)
* [Knowledge base](/knowledge-base)