Celesto Cloud vs Solari

Celesto Cloud costs $0.015 per vCPU-hour and Solari costs $0.0525 per vCPU-hour. Celesto Cloud runs microVMs. Solari runs Cloud Hypervisor microVMs and limits a session to 24 hours.

Updated Oct 23, 2026

Celesto Cloud

Cloud computers for AI agents, each in a microVM.

Isolation: MicroVM
Free tier: $5 runtime credit, one time, 30 days
Max session: Not listed

Visit site Celesto Cloud profile

Solari

One API for cloud browsers, headless microVM sandboxes and desktop VMs for AI agents.

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

Visit site Solari profile

What is different

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

Field

Celesto Cloud

Solari

vCPU, per hour: Celesto Cloud: $0.015; Solari: $0.0525
RAM, per GiB-hour: Celesto Cloud: Included; Solari: $0.0165
Storage: Celesto Cloud: Free; Solari: Snapshots $0.05 per GB-month, the first 10 GB per organization free, from October 1, 2026.
Free tier: Celesto Cloud: $5 runtime credit, one time, 30 days; Solari: $3 credit every month
Paid plan from: Celesto Cloud: Pay as you go; Solari: $20 / month
Billing: Celesto Cloud: Bundled machine time; Solari: Per second
Largest sandbox: Celesto Cloud: 8 vCPU · 32 GiB; Solari: 8 vCPU · 16 GiB
Isolation: Celesto Cloud: MicroVM; Solari: Cloud Hypervisor microVM
SDKs: Celesto Cloud: Python, JavaScript / TypeScript; Solari: TypeScript, Python, Go, Rust
Integrations: Celesto Cloud: MCP, OpenAI Agents SDK, Claude Code; Solari: MCP, Claude Code

Full comparison

18 fields, at each provider's list price

Celesto Cloudcelesto.ai/pricing

Solaridocs.getsolari.com/pricingdocs.getsolari.com

Pricing

vCPU, per hour: Celesto Cloud: $0.015; Solari: $0.0525
RAM, per GiB-hour: Celesto Cloud: Included; Solari: $0.0165
Storage: Celesto Cloud: Free; Solari: Snapshots $0.05 per GB-month, the first 10 GB per organization free, from October 1, 2026.
Free tier: Celesto Cloud: $5 runtime credit, one time, 30 days; Solari: $3 credit every month
Paid plan from: Celesto Cloud: Pay as you go; Solari: $20 / month
Billing: Celesto Cloud: Bundled machine time; Solari: Per second

Limits

Max session: Celesto Cloud: Not listed; Solari: 24 hours
Idle stop: Celesto Cloud: Not listed; Solari: Not listed
Largest sandbox: Celesto Cloud: 8 vCPU · 32 GiB; Solari: 8 vCPU · 16 GiB
Concurrent sandboxes: Celesto Cloud: Up to 10; Solari: Up to 10

Platform

Isolation: Celesto Cloud: MicroVM; Solari: Cloud Hypervisor microVM
GPU: Celesto Cloud: Not listed; Solari: Not listed
Snapshots: Celesto Cloud:; Solari:
Pause and resume: Celesto Cloud:; Solari:

Developer

SDKs: Celesto Cloud: Python, JavaScript / TypeScript; Solari: TypeScript, Python, Go, Rust
Integrations: Celesto Cloud: MCP, OpenAI Agents SDK, Claude Code; Solari: MCP, Claude Code

Trust

License: Celesto Cloud: Apache-2.0; Solari: Not listed
BYOC: Celesto Cloud: Not listed; Solari: Enterprise plan, in your own VPC

Hourly cost

One sandbox running for one hour

Size

Celesto Cloud

Solari

1 vCPU · 2 GiB: Celesto Cloud: $0.015; Solari: $0.086
2 vCPU · 4 GiB: Celesto Cloud: $0.030; Solari: $0.171
4 vCPU · 8 GiB: Celesto Cloud: $0.060; Solari: $0.342

Compute only, at list rates.

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Which one fits

Based on the fields above

Celesto Cloud fits when

You want to pay only for usage, with no plan fee.
You want an open-source platform (Apache-2.0).
You use the OpenAI Agents SDK.
You want the lower list price: $0.030 against $0.171 an hour for 2 vCPU and 4 GiB.

Solari fits when

You need the sandboxes in your own cloud account.
You need HIPAA.

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Celesto Cloud

Solari

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

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Solari fits when

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