Blaxel vs Celesto Cloud

Blaxel bills memory only, at $0.0414 per GiB-hour. Celesto Cloud costs $0.015 per vCPU-hour. Blaxel runs microVMs and has no session limit. Celesto Cloud runs microVMs.

Updated Oct 14, 2026

Blaxel

Sandboxes that pause when idle and resume with state.

Isolation: MicroVM
Free tier: Credit of up to $200
Max session: No limit

Visit site Blaxel profile

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

What is different

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

Field

Blaxel

Celesto Cloud

vCPU, per hour: Blaxel: Included; Celesto Cloud: $0.015
RAM, per GiB-hour: Blaxel: $0.0414; Celesto Cloud: Included
Storage: Blaxel: Snapshots $0.20 per GB per month. Volumes $0.12 per GB per month.; Celesto Cloud: Free
Free tier: Blaxel: Credit of up to $200; Celesto Cloud: $5 runtime credit, one time, 30 days
Billing: Blaxel: Memory only; Celesto Cloud: Bundled machine time
SDKs: Blaxel: Python, TypeScript, Go; Celesto Cloud: Python, JavaScript / TypeScript
Integrations: Blaxel: OpenAI Agents SDK, Claude Agent SDK, MCP; Celesto Cloud: MCP, OpenAI Agents SDK

Full comparison

18 fields, at each provider's list price

Blaxelblaxel.ai/pricing

Celesto Cloudcelesto.ai/pricing

Pricing

vCPU, per hour: Blaxel: Included; Celesto Cloud: $0.015
RAM, per GiB-hour: Blaxel: $0.0414; Celesto Cloud: Included
Storage: Blaxel: Snapshots $0.20 per GB per month. Volumes $0.12 per GB per month.; Celesto Cloud: Free
Free tier: Blaxel: Credit of up to $200; Celesto Cloud: $5 runtime credit, one time, 30 days
Paid plan from: Blaxel: Pay as you go; Celesto Cloud: Pay as you go
Billing: Blaxel: Memory only; Celesto Cloud: Bundled machine time

Limits

Max session: Blaxel: No limit; Celesto Cloud: Not listed
Idle stop: Blaxel: Not listed; Celesto Cloud: Not listed
Largest sandbox: Blaxel: Not listed; Celesto Cloud: 8 vCPU · 32 GiB
Concurrent sandboxes: Blaxel: Not listed; Celesto Cloud: Up to 10

Platform

Isolation: Blaxel: MicroVM; Celesto Cloud: MicroVM
GPU: Blaxel: Not listed; Celesto Cloud: Not listed
Snapshots: Blaxel:; Celesto Cloud:
Pause and resume: Blaxel:; Celesto Cloud:

Developer

SDKs: Blaxel: Python, TypeScript, Go; Celesto Cloud: Python, JavaScript / TypeScript
Integrations: Blaxel: OpenAI Agents SDK, Claude Agent SDK, MCP; Celesto Cloud: MCP, OpenAI Agents SDK

Trust

License: Blaxel: Not listed; Celesto Cloud: Apache-2.0
BYOC: Blaxel: Bring-your-own-metal in your VPC; Celesto Cloud: Not listed

Hourly cost

One sandbox running for one hour

Size

Blaxel

Celesto Cloud

1 vCPU · 2 GiB: Blaxel: $0.083; Celesto Cloud: $0.015
2 vCPU · 4 GiB: Blaxel: $0.166; Celesto Cloud: $0.030
4 vCPU · 8 GiB: Blaxel: $0.331; Celesto Cloud: $0.060

Compute only, at list rates.

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Which one fits

Based on the fields above

Blaxel fits when

You use the Claude Agent SDK.
You want the larger free credit: $200 against $5.
You need the sandboxes in your own cloud account.
You want one rate for memory, with CPU included.

Celesto Cloud fits when

You want an open-source platform (Apache-2.0).
You want the lower list price: $0.030 against $0.166 an hour for 2 vCPU and 4 GiB.

More comparisons

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Blaxel

Celesto Cloud

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Blaxel fits when

Celesto Cloud fits when

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