Declaw vs Mosaic Sandbox
Declaw costs $0.0504 per vCPU-hour and Mosaic Sandbox costs $0.025 per vCPU-hour. Declaw runs Firecracker microVMs and limits a session to 72 hours. Mosaic Sandbox runs Firecracker microVMs.
Updated
Declaw
- Isolation
- Firecracker microVM
- Free tier
- $100 sandbox credit, one time
- Max session
- 72 hours
Mosaic Sandbox
- Isolation
- Firecracker microVM
- Free tier
- Not listed
- Max session
- Not listed
What is different
7 fields differ. The rest are the same or not listed.
Declaw
Mosaic Sandbox
- vCPU, per hour
- Declaw: $0.0504
- Mosaic Sandbox: $0.025
- RAM, per GiB-hour
- Declaw: $0.0162
- Mosaic Sandbox: Included
- Storage
- Declaw: $0.00015264 per GiB-hour
- Mosaic Sandbox: Free
- Billing
- Declaw: Per second
- Mosaic Sandbox: Bundled machine time
- Largest sandbox
- Declaw: 16 vCPU · 16 GiB
- Mosaic Sandbox: 16 vCPU · 32 GiB
- Concurrent sandboxes
- Declaw: Up to 500
- Mosaic Sandbox: Up to 200
- Integrations
- Declaw: LangChain, OpenAI Agents SDK, MCP
- Mosaic Sandbox: LangChain, MCP, Claude Code, Vercel AI SDK
Full comparison
18 fields, at each provider's list price
Declawdocs
Mosaic Sandboxsandbox
Pricing
- vCPU, per hour
- Declaw: $0.0504
- Mosaic Sandbox: $0.025
- RAM, per GiB-hour
- Declaw: $0.0162
- Mosaic Sandbox: Included
- Storage
- Declaw: $0.00015264 per GiB-hour
- Mosaic Sandbox: Free
- Free tier
- Declaw: $100 sandbox credit, one time
- Mosaic Sandbox: Not listed
- Paid plan from
- Declaw: Pay as you go
- Mosaic Sandbox: Pay as you go
- Billing
- Declaw: Per second
- Mosaic Sandbox: Bundled machine time
Limits
- Max session
- Declaw: 72 hours
- Mosaic Sandbox: Not listed
- Idle stop
- Declaw: Not listed
- Mosaic Sandbox: Not listed
- Largest sandbox
- Declaw: 16 vCPU · 16 GiB
- Mosaic Sandbox: 16 vCPU · 32 GiB
- Concurrent sandboxes
- Declaw: Up to 500
- Mosaic Sandbox: Up to 200
Platform
- Isolation
- Declaw: Firecracker microVM
- Mosaic Sandbox: Firecracker microVM
- GPU
- Declaw: Not listed
- Mosaic Sandbox: No
- Snapshots
- Declaw:
- Mosaic Sandbox:
- Pause and resume
- Declaw:
- Mosaic Sandbox:
Developer
- SDKs
- Declaw: Python, TypeScript, Go
- Mosaic Sandbox: Python, TypeScript, Go
- Integrations
- Declaw: LangChain, OpenAI Agents SDK, MCP
- Mosaic Sandbox: LangChain, MCP, Claude Code, Vercel AI SDK
Trust
- License
- Declaw: Not listed
- Mosaic Sandbox: Not listed
- BYOC
- Declaw: Bring Your Own Cloud. Deploy in your VPC.
- Mosaic Sandbox: Not listed
Hourly cost
One sandbox running for one hour
Declaw
Mosaic Sandbox
- 1 vCPU · 2 GiB
- Declaw: $0.083
- Mosaic Sandbox: $0.025
- 2 vCPU · 4 GiB
- Declaw: $0.166
- Mosaic Sandbox: $0.050
- 4 vCPU · 8 GiB
- Declaw: $0.331
- Mosaic Sandbox: $0.100
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Declaw fits when
- You use the OpenAI Agents SDK.
- You need the sandboxes in your own cloud account.
Mosaic Sandbox fits when
- You use Claude Code or the Vercel AI SDK.
- You want the lower list price: $0.050 against $0.166 an hour for 2 vCPU and 4 GiB.
- You need a sandbox larger than 16 vCPU · 16 GiB.
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