Buddy Sandboxes vs Shardflux
Buddy Sandboxes costs $0.0144 per vCPU-hour and Shardflux costs $0.04 per vCPU-hour. Buddy Sandboxes runs full VMs and has no session limit. Shardflux runs Firecracker microVMs and offers GPUs.
Updated
Buddy Sandboxes
- Isolation
- Full VM
- Free tier
- $1 of usage credit every month
- Max session
- No limit
Shardflux
- Isolation
- Firecracker microVM
- Free tier
- 30-day Pro trial, no card needed
- Max session
- Not listed
What is different
10 fields differ. The rest are the same or not listed.
Buddy Sandboxes
Shardflux
- vCPU, per hour
- Buddy Sandboxes: $0.0144
- Shardflux: $0.04
- RAM, per GiB-hour
- Buddy Sandboxes: $0.0144
- Shardflux: $0.015
- Storage
- Buddy Sandboxes: $0.00011 per GiB-hour
- Shardflux: Free
- Free tier
- Buddy Sandboxes: $1 of usage credit every month
- Shardflux: 30-day Pro trial, no card needed
- Paid plan from
- Buddy Sandboxes: $29 / month
- Shardflux: $9 / month
- Billing
- Buddy Sandboxes: Per second
- Shardflux: Active CPU time only
- Largest sandbox
- Buddy Sandboxes: 12 vCPU · 24 GiB
- Shardflux: 32 vCPU · 64 GiB
- Isolation
- Buddy Sandboxes: Full VM
- Shardflux: Firecracker microVM
- SDKs
- Buddy Sandboxes: TypeScript
- Shardflux: TypeScript, Python
- Integrations
- Buddy Sandboxes: MCP, Claude Code
- Shardflux: Claude Code, MCP, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK, LangChain
Full comparison
18 fields, at each provider's list price
Buddy Sandboxesbuddy
Shardfluxshardflux
Pricing
- vCPU, per hour
- Buddy Sandboxes: $0.0144
- Shardflux: $0.04
- RAM, per GiB-hour
- Buddy Sandboxes: $0.0144
- Shardflux: $0.015
- Storage
- Buddy Sandboxes: $0.00011 per GiB-hour
- Shardflux: Free
- Free tier
- Buddy Sandboxes: $1 of usage credit every month
- Shardflux: 30-day Pro trial, no card needed
- Paid plan from
- Buddy Sandboxes: $29 / month
- Shardflux: $9 / month
- Billing
- Buddy Sandboxes: Per second
- Shardflux: Active CPU time only
Limits
- Max session
- Buddy Sandboxes: No limit
- Shardflux: Not listed
- Idle stop
- Buddy Sandboxes: Not listed
- Shardflux: After 5 minutes
- Largest sandbox
- Buddy Sandboxes: 12 vCPU · 24 GiB
- Shardflux: 32 vCPU · 64 GiB
- Concurrent sandboxes
- Buddy Sandboxes: Not listed
- Shardflux: Up to 200
Platform
- Isolation
- Buddy Sandboxes: Full VM
- Shardflux: Firecracker microVM
- GPU
- Buddy Sandboxes: Not listed
- Shardflux:
- Snapshots
- Buddy Sandboxes:
- Shardflux:
- Pause and resume
- Buddy Sandboxes:
- Shardflux:
Developer
- SDKs
- Buddy Sandboxes: TypeScript
- Shardflux: TypeScript, Python
- Integrations
- Buddy Sandboxes: MCP, Claude Code
- Shardflux: Claude Code, MCP, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK, LangChain
Trust
- License
- Buddy Sandboxes: Not listed
- Shardflux: Not listed
- BYOC
- Buddy Sandboxes: Not listed
- Shardflux: Not listed
Hourly cost
One sandbox running for one hour
Buddy Sandboxes
Shardflux
- 1 vCPU · 2 GiB
- Buddy Sandboxes: $0.043
- Shardflux: $0.070
- 2 vCPU · 4 GiB
- Buddy Sandboxes: $0.086
- Shardflux: $0.140
- 4 vCPU · 8 GiB
- Buddy Sandboxes: $0.173
- Shardflux: $0.280
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 want the lower list price: $0.086 against $0.140 an hour for 2 vCPU and 4 GiB.
- You need SOC 2 Type II and GDPR.
Shardflux fits when
- You need GPUs.
- You want each sandbox in its own microVM.
- You use the Claude Agent SDK, the OpenAI Agents SDK, the Vercel AI SDK or LangChain.
- You need a desktop in the sandbox.
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