# Instance Compute Sizing

Agent instances can be one of 5 sizes, from Small to XXL. Each agent size comes with unique CPU (mCPUs) and memory (MB/GB). Each Agent size has distinct per hour prices based on your [service tier](https://www.contextual.io/pricing).

<figure><img src="https://2803907488-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FJF7AoTYz7NHacejws5p9%2Fuploads%2Fgit-blob-f967cbaea0dbb6e74f60591c520682fa05b587a5%2FScreen%20Shot%202024-07-18%20at%209.19.39%20PM.png?alt=media" alt=""><figcaption><p>Agent Size Selection</p></figcaption></figure>

<figure><img src="https://2803907488-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FJF7AoTYz7NHacejws5p9%2Fuploads%2Fgit-blob-510728d6878d9407b4c0649f0946f7fc6f2b5d1c%2FScreen%20Shot%202024-07-18%20at%209.19.27%20PM.png?alt=media" alt=""><figcaption><p>Agent Specs and Pricing</p></figcaption></figure>