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Chatref is multi-model: you can pick any AI model for each agent. Models are grouped into four tiers, from cheap-and-fast to deep-reasoning. You choose in the Playground, so each bot can run on the model that fits its job. The default model is GPT-5.4 Mini. It handles everyday support well, so most bots never need to change it.

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The four tiers

Pricier tiers cost a little more per message but reason more deeply. Start low and move up only if your bot’s answers need it. Models come from seven providers – OpenAI, Anthropic, Google, xAI, Meta, DeepSeek, and Moonshot – all available from the same dropdown.

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How cost works

Your bot spends from your balance each time it answers, priced by the AI it uses. Higher tiers cost more per message than lower ones. A dental clinic answering routine “What are your hours?” questions does fine on a Budget or Standard model, while a SaaS app fielding deep technical questions may earn its keep on Premium. See How Pricing Works for the full picture.

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How to change the model

Open the Playground

Go to your agent and open the Playground.
2

Pick a model

In the left panel, open the Model dropdown. Models are grouped by tier – pick the one you want.
3

Deploy

Click Deploy to save it. Test a few questions in the live preview to see how the new model answers.
Start with the default. Only move up a tier if your bot’s answers need deeper reasoning – it’s the simplest way to keep costs down.

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Next steps

The Playground

Where you pick the model and test how it answers.

How Pricing Works

See how each message is priced by the model and tokens used.