Shardflux vs Solari
Shardflux costs $0.04 per vCPU-hour and Solari costs $0.0525 per vCPU-hour. Shardflux runs Firecracker microVMs and offers GPUs. Solari runs Cloud Hypervisor microVMs and limits a session to 24 hours.
Updated
Shardflux
- Isolation
- Firecracker microVM
- Free tier
- 30-day Pro trial, no card needed
- Max session
- Not listed
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.
Shardflux
Solari
- vCPU, per hour
- Shardflux: $0.04
- Solari: $0.0525
- RAM, per GiB-hour
- Shardflux: $0.015
- Solari: $0.0165
- Storage
- Shardflux: Free
- Solari: Snapshots $0.05 per GB-month, the first 10 GB per organization free, from October 1, 2026.
- Free tier
- Shardflux: 30-day Pro trial, no card needed
- Solari: $3 credit every month
- Paid plan from
- Shardflux: $9 / month
- Solari: $20 / month
- Billing
- Shardflux: Active CPU time only
- Solari: Per second
- Largest sandbox
- Shardflux: 32 vCPU · 64 GiB
- Solari: 8 vCPU · 16 GiB
- Concurrent sandboxes
- Shardflux: Up to 200
- Solari: Up to 10
- Isolation
- Shardflux: Firecracker microVM
- Solari: Cloud Hypervisor microVM
- SDKs
- Shardflux: TypeScript, Python
- Solari: TypeScript, Python, Go, Rust
- Integrations
- Shardflux: Claude Code, MCP, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK, LangChain
- Solari: MCP, Claude Code
Full comparison
18 fields, at each provider's list price
Shardfluxshardflux
Solaridocs
Pricing
- vCPU, per hour
- Shardflux: $0.04
- Solari: $0.0525
- RAM, per GiB-hour
- Shardflux: $0.015
- Solari: $0.0165
- Storage
- Shardflux: Free
- Solari: Snapshots $0.05 per GB-month, the first 10 GB per organization free, from October 1, 2026.
- Free tier
- Shardflux: 30-day Pro trial, no card needed
- Solari: $3 credit every month
- Paid plan from
- Shardflux: $9 / month
- Solari: $20 / month
- Billing
- Shardflux: Active CPU time only
- Solari: Per second
Limits
- Max session
- Shardflux: Not listed
- Solari: 24 hours
- Idle stop
- Shardflux: After 5 minutes
- Solari: Not listed
- Largest sandbox
- Shardflux: 32 vCPU · 64 GiB
- Solari: 8 vCPU · 16 GiB
- Concurrent sandboxes
- Shardflux: Up to 200
- Solari: Up to 10
Platform
- Isolation
- Shardflux: Firecracker microVM
- Solari: Cloud Hypervisor microVM
- GPU
- Shardflux:
- Solari: Not listed
- Snapshots
- Shardflux:
- Solari:
- Pause and resume
- Shardflux:
- Solari:
Developer
- SDKs
- Shardflux: TypeScript, Python
- Solari: TypeScript, Python, Go, Rust
- Integrations
- Shardflux: Claude Code, MCP, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK, LangChain
- Solari: MCP, Claude Code
Trust
- License
- Shardflux: Not listed
- Solari: Not listed
- BYOC
- Shardflux: Not listed
- Solari: Enterprise plan, in your own VPC
Hourly cost
One sandbox running for one hour
Shardflux
Solari
- 1 vCPU · 2 GiB
- Shardflux: $0.070
- Solari: $0.086
- 2 vCPU · 4 GiB
- Shardflux: $0.140
- Solari: $0.171
- 4 vCPU · 8 GiB
- Shardflux: $0.280
- Solari: $0.342
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Shardflux fits when
- You need GPUs.
- You use the Claude Agent SDK, the OpenAI Agents SDK, the Vercel AI SDK or LangChain.
- You want the lower list price: $0.140 against $0.171 an hour for 2 vCPU and 4 GiB.
- Your code waits a lot: CPU is billed only while it is in use.
Solari fits when
- You need the sandboxes in your own cloud account.
- You need HIPAA.
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