{"name":"E2B","tagline":"Isolated cloud sandboxes for agents — firecracker VMs billed per second of CPU/RAM.","url":"https://e2b.dev","category":"agents","pricing":"freemium","price_note":"Hobby $0 + usage (one-time $100 credits, 1h sessions, 20 concurrent); Pro $150/mo + usage (24h sessions, 100 concurrent); default 2 vCPU $0.000028/s","free_tier":true,"open_source":true,"api":true,"self_host":false,"verdict":"situational","verdict_text":"The sandbox other agent products quietly run on. Hobby is usage plus a one-time $100 credit pile; Pro is $150 plus the same per-second meters. You still write the agent. Not Browser Use (that's a browser); this is a VM. No production agent parked here.","limitations":["Seat fee and usage are separate; idle sandboxes still tick CPU/RAM.","Hobby session cap is 1 hour; long jobs need Pro.","Self-host of the commercial control plane is not the public SKU.","Concurrency above 100 is a Pro extra purchase, not included."],"strengths":["Isolated Firecracker VM sandboxes billed per second of CPU/RAM.","Generous Hobby tier with $100 one-time credits and 20 concurrent sessions.","The runtime several agent products quietly rely on."],"use_for":["Running untrusted agent code in isolated cloud VMs.","Prototyping agents that need a real Linux environment, not a browser."],"skip_when":["You need sessions longer than the 1-hour Hobby cap without paying Pro.","The budget cannot cover both seat fee and per-second usage.","You want to self-host the commercial control plane."],"receipts":["https://e2b.dev/pricing","https://github.com/e2b-dev/E2B"],"affiliate":"none","evidence_tier":"source-verified","momentum":"blueshift","featured":false,"last_verified":"2026-08-19","observed_by":"whysanesanders","slug":"e2b","canonical_url":"https://noemium.com/tools/e2b/","attribution":"Noemium catalog data is licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). See https://noemium.com/method/ for how entries are verified."}