Caged vs Runtime
Caged costs $0.06 per vCPU-hour and Runtime costs $0.025 per vCPU-hour. Caged runs Firecracker microVMs and limits a session to 4 hours. Runtime runs Firecracker microVMs and has no session limit.
Updated
Caged
- Isolation
- Firecracker microVM
- Free tier
- Free plan, 5 sandboxes a day
- Max session
- 4 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.
Caged
Runtime
- vCPU, per hour
- Caged: $0.06
- Runtime: $0.025
- RAM, per GiB-hour
- Caged: Included
- Runtime: $0.0075
- Storage
- Caged: Free
- Runtime: $0.000119 per GiB-hour after 10 free GiB
- Free tier
- Caged: Free plan, 5 sandboxes a day
- Runtime: 100 hours of a 1 GB machine in the first 30 days
- Paid plan from
- Caged: $29 / month
- Runtime: Pay as you go
- Billing
- Caged: Bundled machine time
- Runtime: Active CPU time only
- Max session
- Caged: 4 hours
- Runtime: No limit
- Largest sandbox
- Caged: 8 vCPU · 8 GiB
- Runtime: 16 vCPU · 64 GiB
- Concurrent sandboxes
- Caged: Up to 5
- Runtime: Up to 200
- SDKs
- Caged: Python, TypeScript
- Runtime: JavaScript / TypeScript, Python, Go, Ruby, Java
- Integrations
- Caged: 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
Cagedcaged
Runtimewithruntime
Pricing
- vCPU, per hour
- Caged: $0.06
- Runtime: $0.025
- RAM, per GiB-hour
- Caged: Included
- Runtime: $0.0075
- Storage
- Caged: Free
- Runtime: $0.000119 per GiB-hour after 10 free GiB
- Free tier
- Caged: Free plan, 5 sandboxes a day
- Runtime: 100 hours of a 1 GB machine in the first 30 days
- Paid plan from
- Caged: $29 / month
- Runtime: Pay as you go
- Billing
- Caged: Bundled machine time
- Runtime: Active CPU time only
Limits
- Max session
- Caged: 4 hours
- Runtime: No limit
- Idle stop
- Caged: Not listed
- Runtime: After 5 minutes
- Largest sandbox
- Caged: 8 vCPU · 8 GiB
- Runtime: 16 vCPU · 64 GiB
- Concurrent sandboxes
- Caged: Up to 5
- Runtime: Up to 200
Platform
- Isolation
- Caged: Firecracker microVM
- Runtime: Firecracker microVM
- GPU
- Caged: Not listed
- Runtime: No
- Snapshots
- Caged: Not listed
- Runtime:
- Pause and resume
- Caged: Not listed
- Runtime:
Developer
- SDKs
- Caged: Python, TypeScript
- Runtime: JavaScript / TypeScript, Python, Go, Ruby, Java
- Integrations
- Caged: MCP, Claude Code
- Runtime: OpenAI Agents SDK, Vercel AI SDK, Claude Agent SDK, LangChain, MCP, Claude Code
Trust
- License
- Caged: Not listed
- Runtime: Not listed
- BYOC
- Caged: Not listed
- Runtime: Not listed
Hourly cost
One sandbox running for one hour
Caged
Runtime
- 1 vCPU · 2 GiB
- Caged: $0.060
- Runtime: $0.040
- 2 vCPU · 4 GiB
- Caged: $0.120
- Runtime: $0.080
- 4 vCPU · 8 GiB
- Caged: $0.240
- Runtime: $0.160
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Runtime fits when
- A session must run longer than 4 hours.
- You want to pay only for usage, with no plan fee.
- You use the OpenAI Agents SDK, the Vercel AI SDK, the Claude Agent SDK or LangChain.
- You want the lower list price: $0.080 against $0.120 an hour for 2 vCPU and 4 GiB.
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