Declaw vs Solari

Declaw costs $0.0504 per vCPU-hour and Solari costs $0.0525 per vCPU-hour. Declaw runs Firecracker microVMs and limits a session to 72 hours. Solari runs Cloud Hypervisor microVMs and limits a session to 24 hours.

Updated

Declaw

Isolation
Firecracker microVM
Free tier
$100 sandbox credit, one time
Max session
72 hours

Solari

Isolation
Cloud Hypervisor microVM
Free tier
$3 credit every month
Max session
24 hours

What is different

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

Declaw
Solari
vCPU, per hour
Declaw: $0.0504
Solari: $0.0525
RAM, per GiB-hour
Declaw: $0.0162
Solari: $0.0165
Storage
Declaw: $0.00015264 per GiB-hour
Solari: Snapshots $0.05 per GB-month, the first 10 GB per organization free, from October 1, 2026.
Free tier
Declaw: $100 sandbox credit, one time
Solari: $3 credit every month
Paid plan from
Declaw: Pay as you go
Solari: $20 / month
Max session
Declaw: 72 hours
Solari: 24 hours
Largest sandbox
Declaw: 16 vCPU · 16 GiB
Solari: 8 vCPU · 16 GiB
Concurrent sandboxes
Declaw: Up to 500
Solari: Up to 10
Isolation
Declaw: Firecracker microVM
Solari: Cloud Hypervisor microVM
SDKs
Declaw: Python, TypeScript, Go
Solari: TypeScript, Python, Go, Rust
Integrations
Declaw: LangChain, OpenAI Agents SDK, MCP
Solari: MCP, Claude Code

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Declaw: $0.0504
Solari: $0.0525
RAM, per GiB-hour
Declaw: $0.0162
Solari: $0.0165
Storage
Declaw: $0.00015264 per GiB-hour
Solari: Snapshots $0.05 per GB-month, the first 10 GB per organization free, from October 1, 2026.
Free tier
Declaw: $100 sandbox credit, one time
Solari: $3 credit every month
Paid plan from
Declaw: Pay as you go
Solari: $20 / month
Billing
Declaw: Per second
Solari: Per second

Limits

Max session
Declaw: 72 hours
Solari: 24 hours
Idle stop
Declaw: Not listed
Solari: Not listed
Largest sandbox
Declaw: 16 vCPU · 16 GiB
Solari: 8 vCPU · 16 GiB
Concurrent sandboxes
Declaw: Up to 500
Solari: Up to 10

Platform

Isolation
Declaw: Firecracker microVM
Solari: Cloud Hypervisor microVM
GPU
Declaw: Not listed
Solari: Not listed
Snapshots
Declaw:
Solari:
Pause and resume
Declaw:
Solari:

Developer

SDKs
Declaw: Python, TypeScript, Go
Solari: TypeScript, Python, Go, Rust
Integrations
Declaw: LangChain, OpenAI Agents SDK, MCP
Solari: MCP, Claude Code

Trust

License
Declaw: Not listed
Solari: Not listed
BYOC
Declaw: Enterprise on-prem in your cloud account or data center. The Declaw team runs it.
Solari: Enterprise plan, in your own VPC

Hourly cost

One sandbox running for one hour

Declaw
Solari
1 vCPU · 2 GiB
Declaw: $0.083
Solari: $0.086
2 vCPU · 4 GiB
Declaw: $0.166
Solari: $0.171
4 vCPU · 8 GiB
Declaw: $0.331
Solari: $0.342

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

Declaw fits when

  • A session must run longer than 24 hours.
  • You want to pay only for usage, with no plan fee.
  • You use LangChain or the OpenAI Agents SDK.
  • You want the lower list price: $0.166 against $0.171 an hour for 2 vCPU and 4 GiB.

Solari fits when

  • You use Claude Code.
  • You need a desktop in the sandbox.
  • You need HIPAA.

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