Buddy Sandboxes vs Modal
Buddy Sandboxes costs $0.0144 per vCPU-hour and Modal costs $0.070956 per vCPU-hour. Buddy Sandboxes runs full VMs and has no session limit. Modal runs gVisor, offers GPUs and limits a session to 24 hours.
Updated
Buddy Sandboxes
- Isolation
- Full VM
- Free tier
- $1 of usage credit every month
- Max session
- No limit
What is different
8 fields differ. The rest are the same or not listed.
Buddy Sandboxes
Modal
- vCPU, per hour
- Buddy Sandboxes: $0.0144
- Modal: $0.070956
- RAM, per GiB-hour
- Buddy Sandboxes: $0.0144
- Modal: $0.024012
- Free tier
- Buddy Sandboxes: $1 of usage credit every month
- Modal: $30 credit every month
- Paid plan from
- Buddy Sandboxes: $29 / month
- Modal: Pay as you go
- Max session
- Buddy Sandboxes: No limit
- Modal: 24 hours
- Isolation
- Buddy Sandboxes: Full VM
- Modal: gVisor
- SDKs
- Buddy Sandboxes: TypeScript
- Modal: Python, JavaScript / TypeScript, Go
- Integrations
- Buddy Sandboxes: MCP, Claude Code
- Modal: Claude Agent SDK, Claude Code, LangChain
Full comparison
18 fields, at each provider's list price
Buddy Sandboxesbuddy
Modalmodal
Pricing
- vCPU, per hour
- Buddy Sandboxes: $0.0144
- Modal: $0.070956
- RAM, per GiB-hour
- Buddy Sandboxes: $0.0144
- Modal: $0.024012
- Storage
- Buddy Sandboxes: $0.00011 per GiB-hour
- Modal: Not listed
- Free tier
- Buddy Sandboxes: $1 of usage credit every month
- Modal: $30 credit every month
- Paid plan from
- Buddy Sandboxes: $29 / month
- Modal: Pay as you go
- Billing
- Buddy Sandboxes: Per second
- Modal: Per second
Limits
- Max session
- Buddy Sandboxes: No limit
- Modal: 24 hours
- Idle stop
- Buddy Sandboxes: Not listed
- Modal: Not listed
- Largest sandbox
- Buddy Sandboxes: 12 vCPU · 24 GiB
- Modal: Not listed
- Concurrent sandboxes
- Buddy Sandboxes: Not listed
- Modal: Not listed
Platform
- Isolation
- Buddy Sandboxes: Full VM
- Modal: gVisor
- GPU
- Buddy Sandboxes: Not listed
- Modal:
- Snapshots
- Buddy Sandboxes:
- Modal:
- Pause and resume
- Buddy Sandboxes:
- Modal: Not listed
Developer
- SDKs
- Buddy Sandboxes: TypeScript
- Modal: Python, JavaScript / TypeScript, Go
- Integrations
- Buddy Sandboxes: MCP, Claude Code
- Modal: Claude Agent SDK, Claude Code, LangChain
Trust
- License
- Buddy Sandboxes: Not listed
- Modal: Not listed
- BYOC
- Buddy Sandboxes: Not listed
- Modal: Not listed
Hourly cost
One sandbox running for one hour
Buddy Sandboxes
Modal
- 1 vCPU · 2 GiB
- Buddy Sandboxes: $0.043
- Modal: $0.119
- 2 vCPU · 4 GiB
- Buddy Sandboxes: $0.086
- Modal: $0.238
- 4 vCPU · 8 GiB
- Buddy Sandboxes: $0.173
- Modal: $0.476
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Buddy Sandboxes fits when
- A session must run longer than 24 hours.
- You want each sandbox to be a full VM.
- You use MCP.
- You want the lower list price: $0.086 against $0.238 an hour for 2 vCPU and 4 GiB.
Modal fits when
- You need GPUs.
- You want to pay only for usage, with no plan fee.
- You use the Claude Agent SDK or LangChain.
- You want the larger free credit: $30 against $1.
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