Pricing, checked Oct 19, 2026
Code Sandboxes pricing for AI agents
Free tier, starting paid price and unit for 8 code sandboxes, side by side. Prices as listed on the vendor site on Oct 19, 2026. Each row links to the vendor page it came from. Agent Stack Directory is a new directory, launched October 2026.
Table
8 code sandboxes compared on price
Alphabetical. Nothing in this table is a paid placement. Not listed means the vendor page shows no figure for that column.
| Tool | Free tier | Starting paid price | Unit | Source | Checked |
|---|---|---|---|---|---|
| Agent 37 | $5 starter credit for new eligible accounts after adding a card | $0.80 | per vCPU per 730-hour month, plus RAM and disk, metered by the minute | agent37.com | Oct 19, 2026 |
| AIO Sandbox | No published pricing | No published pricing | No published pricing | sandbox.agent-infra.com | Oct 19, 2026 |
| Cloudflare Sandbox SDK | Free plan: N/A (requires Workers Paid plan) | $5 | per month (Workers Paid plan), then usage | developers.cloudflare.com | Oct 19, 2026 |
| Daytona | $200 in free compute included, no credit card required | $0.0504 | per vCPU hour, plus memory and storage, billed per second | daytona.io | Oct 19, 2026 |
| E2B | Hobby: $0 monthly plan fee, one-time $100 in usage credits, no credit card required | $150 | per month plus usage (Pro) | e2b.dev | Oct 19, 2026 |
| Modal | Starter: $0 + compute / month, $30/month included compute | $250 | per month plus compute (Team) | modal.com | Oct 19, 2026 |
| Runloop | Basic: Free + usage based-compute; Pro trial with $50 usage credit, no credit card required | $250 | per month plus usage (Pro) | runloop.ai | Oct 19, 2026 |
| Vercel Sandbox | Hobby: 5 hours/month Active CPU, 420 GB-hours/month memory, 5,000 creations/month included | $20 | per month (Pro), includes $20 usage credit, then usage | vercel.com | Oct 19, 2026 |
Usage rates, regions, overage and add-ons differ by vendor. Open each source link before you commit, and see each tool page for the vendor's full wording.
Download the pricing sheet (CSV)Free, no signup. All 16 rows, same values as the tables.
More:All pricing tablesBrowsers & Computer Use pricingAll code sandboxesGuide: Best code sandboxes for AI agents
FAQ
About these tables
Where do these prices come from?
Only from each vendor's own pricing page or docs, as listed on Oct 19, 2026. Each row links to its source. If a vendor publishes no price, the table says Not listed or No published pricing instead of guessing.
How current are they?
Every row was checked on the vendor site on Oct 19, 2026. Vendors change prices often, so confirm on the source page before you commit.
Can a vendor pay to change its row?
No. Rows are alphabetical and come from the vendor page. Sponsored placements are labeled elsewhere and their links carry rel=sponsored. Vendors can claim their listing for free to report a correction.
Is this a big, established directory?
No. Agent Stack Directory is a new directory, launched October 2026. We publish real traffic numbers after 30 days.