> ## Documentation Index
> Fetch the complete documentation index at: https://doc.chathub.gg/llms.txt
> Use this file to discover all available pages before exploring further.

# AI Models

ChatHub provides out-of-the-box AI models, the models are categorized into two tiers based on cost:

* Basic Tier: GPT-4o-mini, Claude 3 Haiku and more
* Advanced Tier: GPT-4o, Claude 4 Sonnet and more

<Card title="Latest list of AI Models in ChatHub" icon="link" href="https://chathub.gg/models">
  chathub.gg/models
</Card>

You can get more usage quota by upgrading your [subscription](/membership/subscription).

We're constantly adding new models, and for important model updates, we can usually support them within hours after release.

If you think there's a model missing from ChatHub, please make a request in the [#model-requests](https://discord.com/channels/1214485648623411220/1318917421821853760) channel on Discord.