Add concurrency add-on pricing to billing page (#190)

* Add concurrency add-on pricing to billing page

* Merge rate limits into billing page and add concurrent builds limit

- Move rate limit rows into the Plans table with tooltip explanations
- Move concurrency add-on pricing ($500/month) into a tooltip
- Add concurrent builds limit (20 for Hobby/Pro, Custom for Enterprise)
- Remove standalone rate-limits page and its nav entry

* Add redirect from rate-limits page to billing page

* Add resource limits, disk size, and vCPU/memory to billing plans table

- Add max vCPUs, max memory, and disk size rows
- Move disk size above max session length, add tooltip to max session length
- Update sandbox operations rate limit to 60,000/60s
- Add redirect for removed rate-limits page

* Rename billing page to Billing & limits

* Remove API and operations rate limit rows from billing table

* Remove egress connections row from billing table

Author: beran-t

docs.json

@@ -119,7 +119,6 @@
               "docs/sandbox/pty",
               "docs/sandbox/ssh-access",
               "docs/sandbox/connect-bucket",
-              "docs/sandbox/rate-limits",
               "docs/sandbox/secured-access",
               "docs/sandbox/ip-tunneling",
               "docs/sandbox/custom-domain"
@@ -3712,6 +3711,11 @@
     }
   },
   "redirects": [
+    {
+      "source": "/docs/sandbox/rate-limits",
+      "destination": "/docs/billing",
+      "permanent": true
+    },
     {
       "source": "/docs/template/aliases",
       "destination": "/docs/template/names",

docs/billing.mdx

@@ -1,6 +1,6 @@
 ---
-title: "Billing & pricing"
-sidebarTitle: "Billing"
+title: "Billing & limits"
+sidebarTitle: "Billing & limits"
 icon: "credit-card"
 ---
 
@@ -14,14 +14,13 @@ E2B uses [usage-based pricing](#usage-based-pricing) - you pay only for what you
 |---------|-------|-----|------------|
 | **Base price** | $0/month | $150/month | Custom |
 | **Free credits** | $100 (one-time) | $100 (one-time) | Custom |
-| **Max session length** | 1 hour | 24 hours | Custom |
-| **Concurrent sandboxes** | 20 | 100 - 1,100 | 1,100+ |
-
-<Note>
-Pro plan includes 100 concurrent sandboxes. Higher concurrency up to 1,100 is available as a purchasable [add-on](https://e2b.dev/dashboard?tab=billing).
-</Note>
-
-Plans have different [API rate limits](/docs/sandbox/rate-limits).
+| **Max vCPUs** | 8 | <Tooltip tip="Contact support@e2b.dev if you need more vCPUs.">8+</Tooltip> | Custom |
+| **Max memory** | 8 GB | <Tooltip tip="Contact support@e2b.dev if you need more memory.">8+ GB</Tooltip> | Custom |
+| **Disk size** | 10 GB | <Tooltip tip="Contact support@e2b.dev if you need more disk space.">20+ GB</Tooltip> | Custom |
+| **<Tooltip tip="Time a sandbox can run without being paused.">Max session length</Tooltip>** | 1 hour | 24 hours | Custom |
+| **<Tooltip tip="Number of sandboxes running at the same time.">Concurrent sandboxes</Tooltip>** | 20 | <Tooltip tip="Includes 100 concurrent sandboxes. Higher concurrency up to 1,100 is available as an add-on for $500/month.">100 - 1,100</Tooltip> | 1,100+ |
+| **<Tooltip tip="Number of template builds running at the same time.">Concurrent builds</Tooltip>** | 20 | 20 | Custom |
+| **<Tooltip tip="How quickly you can create new sandboxes.">Sandbox creation rate</Tooltip>** | 1 / sec | 5 / sec | Custom |
 
 To upgrade your plan or purchase add-ons, visit the [dashboard billing tab](https://e2b.dev/dashboard?tab=billing). For Enterprise plans, [contact sales](mailto:enterprise@e2b.dev).