Modal vs Zipbox
Modal costs $0.070956 per vCPU-hour and Zipbox costs $0.00685 per vCPU-hour. Modal runs gVisor, offers GPUs and limits a session to 24 hours. Zipbox runs Firecracker microVMs and has no session limit.
Updated
Zipbox
- Isolation
- Firecracker microVM
- Free tier
- $25 credit after a one-time $5 top-up
- Max session
- No limit
What is different
9 fields differ. The rest are the same or not listed.
Modal
Zipbox
- vCPU, per hour
- Modal: $0.070956
- Zipbox: $0.00685
- RAM, per GiB-hour
- Modal: $0.024012
- Zipbox: Included
- Free tier
- Modal: $30 credit every month
- Zipbox: $25 credit after a one-time $5 top-up
- Billing
- Modal: Per second
- Zipbox: Bundled machine time
- Max session
- Modal: 24 hours
- Zipbox: No limit
- Isolation
- Modal: gVisor
- Zipbox: Firecracker microVM
- Snapshots
- Modal:
- Zipbox: No
- SDKs
- Modal: Python, JavaScript / TypeScript, Go
- Zipbox: TypeScript, Python, Go, Rust
- Integrations
- Modal: Claude Agent SDK, Claude Code, LangChain
- Zipbox: MCP, Claude Code, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK, LangChain
Full comparison
18 fields, at each provider's list price
Modalmodal
Zipboxzipbox
Pricing
- vCPU, per hour
- Modal: $0.070956
- Zipbox: $0.00685
- RAM, per GiB-hour
- Modal: $0.024012
- Zipbox: Included
- Storage
- Modal: Not listed
- Zipbox: Free
- Free tier
- Modal: $30 credit every month
- Zipbox: $25 credit after a one-time $5 top-up
- Paid plan from
- Modal: Pay as you go
- Zipbox: Pay as you go
- Billing
- Modal: Per second
- Zipbox: Bundled machine time
Limits
- Max session
- Modal: 24 hours
- Zipbox: No limit
- Idle stop
- Modal: Not listed
- Zipbox: Not listed
- Largest sandbox
- Modal: Not listed
- Zipbox: 6 vCPU · 16 GiB
- Concurrent sandboxes
- Modal: Not listed
- Zipbox: Not listed
Platform
- Isolation
- Modal: gVisor
- Zipbox: Firecracker microVM
- GPU
- Modal:
- Zipbox: Not listed
- Snapshots
- Modal:
- Zipbox: No
- Pause and resume
- Modal: Not listed
- Zipbox: No
Developer
- SDKs
- Modal: Python, JavaScript / TypeScript, Go
- Zipbox: TypeScript, Python, Go, Rust
- Integrations
- Modal: Claude Agent SDK, Claude Code, LangChain
- Zipbox: MCP, Claude Code, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK, LangChain
Trust
- License
- Modal: Not listed
- Zipbox: Not listed
- BYOC
- Modal: Not listed
- Zipbox: Not listed
Hourly cost
One sandbox running for one hour
Modal
Zipbox
- 1 vCPU · 2 GiB
- Modal: $0.119
- Zipbox: $0.007
- 2 vCPU · 4 GiB
- Modal: $0.238
- Zipbox: $0.014
- 4 vCPU · 8 GiB
- Modal: $0.476
- Zipbox: $0.027
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Modal fits when
- You need GPUs.
- You want the larger free credit: $30 against $25.
- You need snapshots.
- You need SOC 2 Type II, HIPAA and GDPR.
Zipbox fits when
- A session must run longer than 24 hours.
- You want each sandbox in its own microVM.
- You use MCP, the OpenAI Agents SDK or the Vercel AI SDK.
- You want the lower list price: $0.014 against $0.238 an hour for 2 vCPU and 4 GiB.
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