Sendblue Sandboxes vs Upstash Box
Sendblue Sandboxes costs $0.165 per vCPU-hour and Upstash Box costs $0.10 per vCPU-hour. Sendblue Sandboxes runs containers. Upstash Box runs containers.
Updated
Sendblue Sandboxes
- Isolation
- Container
- Free tier
- $100 free compute, once per phone number
- Max session
- Not listed
Upstash Box
- Isolation
- Container
- Free tier
- Free plan, 5 CPU hours per month
- Max session
- Not listed
What is different
7 fields differ. The rest are the same or not listed.
Sendblue Sandboxes
Upstash Box
- vCPU, per hour
- Sendblue Sandboxes: $0.165
- Upstash Box: $0.10
- Free tier
- Sendblue Sandboxes: $100 free compute, once per phone number
- Upstash Box: Free plan, 5 CPU hours per month
- Billing
- Sendblue Sandboxes: Bundled machine time
- Upstash Box: Active CPU time only
- Idle stop
- Sendblue Sandboxes: After 10 minutes
- Upstash Box: After 360 minutes
- Largest sandbox
- Sendblue Sandboxes: 2 vCPU · 8 GiB
- Upstash Box: 8 vCPU · 16 GiB
- Concurrent sandboxes
- Sendblue Sandboxes: Up to 5
- Upstash Box: Up to 1,000
- Pause and resume
- Sendblue Sandboxes: No
- Upstash Box:
Full comparison
18 fields, at each provider's list price
Sendblue Sandboxessendblue
Upstash Boxupstash
Pricing
- vCPU, per hour
- Sendblue Sandboxes: $0.165
- Upstash Box: $0.10
- RAM, per GiB-hour
- Sendblue Sandboxes: Included
- Upstash Box: Included
- Storage
- Sendblue Sandboxes: Not listed
- Upstash Box: $0.10 per GB per month, including snapshots. Included on Fixed.
- Free tier
- Sendblue Sandboxes: $100 free compute, once per phone number
- Upstash Box: Free plan, 5 CPU hours per month
- Paid plan from
- Sendblue Sandboxes: Not listed
- Upstash Box: Pay as you go
- Billing
- Sendblue Sandboxes: Bundled machine time
- Upstash Box: Active CPU time only
Limits
- Max session
- Sendblue Sandboxes: Not listed
- Upstash Box: Not listed
- Idle stop
- Sendblue Sandboxes: After 10 minutes
- Upstash Box: After 360 minutes
- Largest sandbox
- Sendblue Sandboxes: 2 vCPU · 8 GiB
- Upstash Box: 8 vCPU · 16 GiB
- Concurrent sandboxes
- Sendblue Sandboxes: Up to 5
- Upstash Box: Up to 1,000
Platform
- Isolation
- Sendblue Sandboxes: Container
- Upstash Box: Container
- GPU
- Sendblue Sandboxes: Not listed
- Upstash Box: Not listed
- Snapshots
- Sendblue Sandboxes: Not listed
- Upstash Box:
- Pause and resume
- Sendblue Sandboxes: No
- Upstash Box:
Developer
- SDKs
- Sendblue Sandboxes: Not listed
- Upstash Box: Python, TypeScript
- Integrations
- Sendblue Sandboxes: Not listed
- Upstash Box: LangChain, Vercel AI SDK, Claude Code, MCP
Trust
- License
- Sendblue Sandboxes: Not listed
- Upstash Box: Not listed
- BYOC
- Sendblue Sandboxes: Not listed
- Upstash Box: Not listed
Hourly cost
One sandbox running for one hour
Sendblue Sandboxes
Upstash Box
- 1 vCPU · 2 GiB
- Sendblue Sandboxes: $0.165
- Upstash Box: $0.100
- 2 vCPU · 4 GiB
- Sendblue Sandboxes: $0.330
- Upstash Box: $0.200
- 4 vCPU · 8 GiB
- Sendblue Sandboxes: $0.660
- Upstash Box: $0.400
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Upstash Box fits when
- You use LangChain, the Vercel AI SDK, Claude Code or MCP.
- You want the lower list price: $0.200 against $0.330 an hour for 2 vCPU and 4 GiB.
- You need snapshots.
- You need pause and resume.
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