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Out of the box, your agent already thinks and works, so you don’t need to touch the models. Come here in two cases: you have your own provider key and want to pay the provider directly, or the agent has started making mistakes and you’re looking for a smarter model.

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Four slots

Settings → Models. Each role has its own model. This isn’t duplication, it’s a division of labor.
Models section: Brain, Fallbacks, Image Reading, and History Compression cards
The Fallbacks slot is the most underrated setting. A provider goes down for ten minutes, and all you see is a silent agent, with no idea why your scheduled tasks failed.

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Catalog

The Select button opens the list: about a hundred models with search and sorting.
Model catalog: a table with Model, Context, and Price columns
Model card in the catalog: context window, input and output cost, and model ID with a copy button
Hover over a model to open a card with details and the Model ID field. You’ll need it if you connect the same model with your own key.

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Your own model

Settings → General → Your Own Model (Your Own Key) block. The agent will call the provider directly, bypassing the platform’s infrastructure, and you’ll pay the provider.
General section: the Name field and the Your Own Model (Your Own Key) block with provider, key, and model
1

Choose a provider

The Provider list: who you buy access from.
2

Paste your key

The Provider Key field. The key is verified with the provider, isn’t stored in the conversation, and is never sent back to the browser.
3

Specify the model

Once you enter the key, the model list loads automatically. You can also type the name manually. The platform checks whether the model understands photos when you connect it, so you don’t need to specify that.
4

Click Verify and Connect

The platform contacts the provider and confirms the key works.
This is also where, in General, you change the agent’s name: the one shown in the list and in the workspace.

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What it costs

The agent spends budget on every action: a conversation, a scheduled task, reading a file, overnight memory cleanup. Keep this in mind when you set up the schedule: monitoring every 30 minutes costs dozens of times more than a daily summary. You can see spending and the remaining balance in Billing and Charge History. They’re shared across the whole account.

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FAQ

First, check the documents on the Personality tab and how the task is worded: a vague task produces confident nonsense on any model. Change the model when the task is clearly described and the result still misses.
This looks like an outage at the main model’s provider. Fill in the Fallbacks slot so the agent switches over on its own. You can see what happened in the Log.
Check the Image Reading slot: if it holds a model without vision, the picture is simply never shown to it.
That’s history compression. Put a model with a larger context in the Brain slot, and keep important facts in memory files: they aren’t compressed.
It depends on the provider and volume. The practical value of your own key isn’t only the price: it’s your own limit and your own quota, independent of the account’s shared budget.

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What’s next

Abilities and Skills

What the agent is allowed to do

Maintenance

Log, diagnostics, backup

Schedule

The main source of ongoing spending

Charge History

Where the account budget goes