Buddy Sandboxes vs Runtime
Buddy Sandboxes costs $0.0144 per vCPU-hour and Runtime costs $0.025 per vCPU-hour. Buddy Sandboxes runs full VMs and has no session limit. Runtime runs Firecracker microVMs and has no session limit.
Updated
Buddy Sandboxes
- Isolation
- Full VM
- Free tier
- $1 of usage credit every month
- Max session
- No limit
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
10 fields differ. The rest are the same or not listed.
Buddy Sandboxes
Runtime
- vCPU, per hour
- Buddy Sandboxes: $0.0144
- Runtime: $0.025
- RAM, per GiB-hour
- Buddy Sandboxes: $0.0144
- Runtime: $0.0075
- Storage
- Buddy Sandboxes: $0.00011 per GiB-hour
- Runtime: $0.000119 per GiB-hour after 10 free GiB
- Free tier
- Buddy Sandboxes: $1 of usage credit every month
- Runtime: 100 hours of a 1 GB machine in the first 30 days
- Paid plan from
- Buddy Sandboxes: $29 / month
- Runtime: Pay as you go
- Billing
- Buddy Sandboxes: Per second
- Runtime: Active CPU time only
- Largest sandbox
- Buddy Sandboxes: 12 vCPU · 24 GiB
- Runtime: 16 vCPU · 64 GiB
- Isolation
- Buddy Sandboxes: Full VM
- Runtime: Firecracker microVM
- SDKs
- Buddy Sandboxes: TypeScript
- Runtime: JavaScript / TypeScript, Python, Go, Ruby, Java
- Integrations
- Buddy Sandboxes: 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
Buddy Sandboxesbuddy
Runtimewithruntime
Pricing
- vCPU, per hour
- Buddy Sandboxes: $0.0144
- Runtime: $0.025
- RAM, per GiB-hour
- Buddy Sandboxes: $0.0144
- Runtime: $0.0075
- Storage
- Buddy Sandboxes: $0.00011 per GiB-hour
- Runtime: $0.000119 per GiB-hour after 10 free GiB
- Free tier
- Buddy Sandboxes: $1 of usage credit every month
- Runtime: 100 hours of a 1 GB machine in the first 30 days
- Paid plan from
- Buddy Sandboxes: $29 / month
- Runtime: Pay as you go
- Billing
- Buddy Sandboxes: Per second
- Runtime: Active CPU time only
Limits
- Max session
- Buddy Sandboxes: No limit
- Runtime: No limit
- Idle stop
- Buddy Sandboxes: Not listed
- Runtime: After 5 minutes
- Largest sandbox
- Buddy Sandboxes: 12 vCPU · 24 GiB
- Runtime: 16 vCPU · 64 GiB
- Concurrent sandboxes
- Buddy Sandboxes: Not listed
- Runtime: Up to 200
Platform
- Isolation
- Buddy Sandboxes: Full VM
- Runtime: Firecracker microVM
- GPU
- Buddy Sandboxes: Not listed
- Runtime: No
- Snapshots
- Buddy Sandboxes:
- Runtime:
- Pause and resume
- Buddy Sandboxes:
- Runtime:
Developer
- SDKs
- Buddy Sandboxes: TypeScript
- Runtime: JavaScript / TypeScript, Python, Go, Ruby, Java
- Integrations
- Buddy Sandboxes: MCP, Claude Code
- Runtime: OpenAI Agents SDK, Vercel AI SDK, Claude Agent SDK, LangChain, MCP, Claude Code
Trust
- License
- Buddy Sandboxes: Not listed
- Runtime: Not listed
- BYOC
- Buddy Sandboxes: Not listed
- Runtime: Not listed
Hourly cost
One sandbox running for one hour
Buddy Sandboxes
Runtime
- 1 vCPU · 2 GiB
- Buddy Sandboxes: $0.043
- Runtime: $0.040
- 2 vCPU · 4 GiB
- Buddy Sandboxes: $0.086
- Runtime: $0.080
- 4 vCPU · 8 GiB
- Buddy Sandboxes: $0.173
- Runtime: $0.160
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Buddy Sandboxes fits when
- You want each sandbox to be a full VM.
- You need SOC 2 Type II and GDPR.
Runtime fits when
- You want to pay only for usage, with no plan fee.
- You want each sandbox in its own microVM.
- 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 $0.086 an hour for 2 vCPU and 4 GiB.
More comparisons
Agent Sandbox vs Buddy Sandboxes- Agent Sandbox vs Runtime
Agent37 Cloud vs Buddy Sandboxes- Agent37 Cloud vs Runtime
AgentBay vs Buddy Sandboxes- AgentBay vs Runtime
- Alibaba Cloud Agent Sandbox vs Buddy Sandboxes
- Alibaba Cloud Agent Sandbox vs Runtime