E2B
Hobby plan (free): cloud sandboxes for AI agents with a $100 one-time usage credit.
Dev Tools
What you get
Isolated cloud sandboxes where AI agents can run code, with a $100 one-time usage credit, sessions up to 1 hour and 20 sandboxes at once.
How to get it
Click "Start for free" under Hobby on e2b.dev/pricing.
What it requires
No credit card required.
The catch
The $100 credit is one-time and sandboxes are billed per second against it; Pro is $150 a month plus usage for 24-hour sessions and custom CPU and RAM.
From the official page · checked Oct 27, 2026