E2B vs Runtime
E2B costs $0.0504 per vCPU-hour and Runtime costs $0.025 per vCPU-hour. E2B runs Firecracker microVMs and limits a session to 24 hours. Runtime runs Firecracker microVMs and has no session limit.
Updated
E2B
- Isolation
- Firecracker microVM
- Free tier
- $100 credit, one time
- Max session
- 24 hours
Runtime
- Isolation
- Firecracker microVM
- Free tier
- 100 hours of a 1 GB machine in the first 30 days
- Max session
- No limit
What is different
11 fields differ. The rest are the same or not listed.
E2B
Runtime
- vCPU, per hour
- E2B: $0.0504
- Runtime: $0.025
- RAM, per GiB-hour
- E2B: $0.0162
- Runtime: $0.0075
- Storage
- E2B: Free
- Runtime: $0.000119 per GiB-hour after 10 free GiB
- Free tier
- E2B: $100 credit, one time
- Runtime: 100 hours of a 1 GB machine in the first 30 days
- Paid plan from
- E2B: $150 / month
- Runtime: Pay as you go
- Billing
- E2B: Per second
- Runtime: Active CPU time only
- Max session
- E2B: 24 hours
- Runtime: No limit
- Largest sandbox
- E2B: 8 vCPU · 8 GiB
- Runtime: 16 vCPU · 64 GiB
- Concurrent sandboxes
- E2B: Up to 100
- Runtime: Up to 200
- SDKs
- E2B: Python, JavaScript / TypeScript
- Runtime: JavaScript / TypeScript, Python, Go, Ruby, Java
- Integrations
- E2B: LangChain, OpenAI Agents SDK, Vercel AI SDK, MCP, Claude Code
- Runtime: OpenAI Agents SDK, Vercel AI SDK, Claude Agent SDK, LangChain, MCP, Claude Code
Full comparison
18 fields, at each provider's list price
Runtimewithruntime
Pricing
- vCPU, per hour
- E2B: $0.0504
- Runtime: $0.025
- RAM, per GiB-hour
- E2B: $0.0162
- Runtime: $0.0075
- Storage
- E2B: Free
- Runtime: $0.000119 per GiB-hour after 10 free GiB
- Free tier
- E2B: $100 credit, one time
- Runtime: 100 hours of a 1 GB machine in the first 30 days
- Paid plan from
- E2B: $150 / month
- Runtime: Pay as you go
- Billing
- E2B: Per second
- Runtime: Active CPU time only
Limits
- Max session
- E2B: 24 hours
- Runtime: No limit
- Idle stop
- E2B: Not listed
- Runtime: After 5 minutes
- Largest sandbox
- E2B: 8 vCPU · 8 GiB
- Runtime: 16 vCPU · 64 GiB
- Concurrent sandboxes
- E2B: Up to 100
- Runtime: Up to 200
Platform
- Isolation
- E2B: Firecracker microVM
- Runtime: Firecracker microVM
- GPU
- E2B: No
- Runtime: No
- Snapshots
- E2B:
- Runtime:
- Pause and resume
- E2B:
- Runtime:
Developer
- SDKs
- E2B: Python, JavaScript / TypeScript
- Runtime: JavaScript / TypeScript, Python, Go, Ruby, Java
- Integrations
- E2B: LangChain, OpenAI Agents SDK, Vercel AI SDK, MCP, Claude Code
- Runtime: OpenAI Agents SDK, Vercel AI SDK, Claude Agent SDK, LangChain, MCP, Claude Code
Trust
- License
- E2B: Apache-2.0
- Runtime: Not listed
- BYOC
- E2B: Enterprise plan
- Runtime: Not listed
Hourly cost
One sandbox running for one hour
E2B
Runtime
- 1 vCPU · 2 GiB
- E2B: $0.083
- Runtime: $0.040
- 2 vCPU · 4 GiB
- E2B: $0.166
- Runtime: $0.080
- 4 vCPU · 8 GiB
- E2B: $0.331
- Runtime: $0.160
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
E2B fits when
- You want an open-source platform (Apache-2.0) that you can self-host.
- You need the sandboxes in your own cloud account.
- You need SOC 2 Type II and HIPAA.
Runtime fits when
- A session must run longer than 24 hours.
- You want to pay only for usage, with no plan fee.
- You use the Claude Agent SDK.
- You want the lower list price: $0.080 against $0.166 an hour for 2 vCPU and 4 GiB.
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