Anthropic Code Execution vs Mosaic Sandbox

Anthropic Code Execution costs $0.05 per vCPU-hour and Mosaic Sandbox costs $0.025 per vCPU-hour. Anthropic Code Execution runs containers. Mosaic Sandbox runs Firecracker microVMs.

Updated

Anthropic Code Execution

Isolation
Container
Free tier
1,550 free hours per month
Max session
Not listed

Mosaic Sandbox

Isolation
Firecracker microVM
Free tier
Not listed
Max session
Not listed

What is different

4 fields differ. The rest are the same or not listed.

Anthropic Code Execution
Mosaic Sandbox
vCPU, per hour
Anthropic Code Execution: $0.05
Mosaic Sandbox: $0.025
Largest sandbox
Anthropic Code Execution: 1 vCPU · 5 GiB
Mosaic Sandbox: 16 vCPU · 32 GiB
Isolation
Anthropic Code Execution: Container
Mosaic Sandbox: Firecracker microVM
SDKs
Anthropic Code Execution: Python, TypeScript, Go, Java, Ruby
Mosaic Sandbox: Python, TypeScript, Go

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Anthropic Code Execution: $0.05
Mosaic Sandbox: $0.025
RAM, per GiB-hour
Anthropic Code Execution: Included
Mosaic Sandbox: Included
Storage
Anthropic Code Execution: Not listed
Mosaic Sandbox: Free
Free tier
Anthropic Code Execution: 1,550 free hours per month
Mosaic Sandbox: Not listed
Paid plan from
Anthropic Code Execution: Not listed
Mosaic Sandbox: Pay as you go
Billing
Anthropic Code Execution: Bundled machine time
Mosaic Sandbox: Bundled machine time

Limits

Max session
Anthropic Code Execution: Not listed
Mosaic Sandbox: Not listed
Idle stop
Anthropic Code Execution: Not listed
Mosaic Sandbox: Not listed
Largest sandbox
Anthropic Code Execution: 1 vCPU · 5 GiB
Mosaic Sandbox: 16 vCPU · 32 GiB
Concurrent sandboxes
Anthropic Code Execution: Not listed
Mosaic Sandbox: Up to 200

Platform

Isolation
Anthropic Code Execution: Container
Mosaic Sandbox: Firecracker microVM
GPU
Anthropic Code Execution: Not listed
Mosaic Sandbox: No
Snapshots
Anthropic Code Execution: Not listed
Mosaic Sandbox:
Pause and resume
Anthropic Code Execution:
Mosaic Sandbox:

Developer

SDKs
Anthropic Code Execution: Python, TypeScript, Go, Java, Ruby
Mosaic Sandbox: Python, TypeScript, Go
Integrations
Anthropic Code Execution: Not listed
Mosaic Sandbox: LangChain, MCP, Claude Code, Vercel AI SDK

Trust

License
Anthropic Code Execution: Not listed
Mosaic Sandbox: Not listed
BYOC
Anthropic Code Execution: Not listed
Mosaic Sandbox: Not listed

Hourly cost

One sandbox running for one hour

Anthropic Code Execution
Mosaic Sandbox
1 vCPU · 2 GiB
Anthropic Code Execution: $0.050
Mosaic Sandbox: $0.025
2 vCPU · 4 GiB
Anthropic Code Execution: $0.100
Mosaic Sandbox: $0.050
4 vCPU · 8 GiB
Anthropic Code Execution: $0.200
Mosaic Sandbox: $0.100

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

Mosaic Sandbox fits when

  • You want each sandbox in its own microVM.
  • You use LangChain, MCP, Claude Code or the Vercel AI SDK.
  • You want the lower list price: $0.050 against $0.100 an hour for 2 vCPU and 4 GiB.
  • You need snapshots.

More comparisons

See all comparisons

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