Amazon Bedrock AgentCore Runtime vs CreateOS Sandbox

Amazon Bedrock AgentCore Runtime costs $0.0895 per vCPU-hour and CreateOS Sandbox costs $0.03616363 per vCPU-hour. Amazon Bedrock AgentCore Runtime runs microVMs and limits a session to 8 hours. CreateOS Sandbox runs Firecracker microVMs and has no session limit.

Updated

Amazon Bedrock AgentCore Runtime

Isolation
MicroVM
Free tier
Not listed
Max session
8 hours

CreateOS Sandbox

Isolation
Firecracker microVM
Free tier
Starting credit of 500 credits
Max session
No limit

What is different

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

Amazon Bedrock AgentCore Runtime
CreateOS Sandbox
vCPU, per hour
Amazon Bedrock AgentCore Runtime: $0.0895
CreateOS Sandbox: $0.03616363
RAM, per GiB-hour
Amazon Bedrock AgentCore Runtime: $0.00945
CreateOS Sandbox: $0.01159025
Storage
Amazon Bedrock AgentCore Runtime: Session storage is free during preview. Code storage is billed at Amazon ECR or S3 rates
CreateOS Sandbox: $0.0001584 per GiB-hour
Billing
Amazon Bedrock AgentCore Runtime: Active CPU time only
CreateOS Sandbox: Per second
Max session
Amazon Bedrock AgentCore Runtime: 8 hours
CreateOS Sandbox: No limit
Largest sandbox
Amazon Bedrock AgentCore Runtime: 2 vCPU · 8 GiB
CreateOS Sandbox: 8 vCPU · 8 GiB
Concurrent sandboxes
Amazon Bedrock AgentCore Runtime: Up to 5,000
CreateOS Sandbox: Up to 20
Isolation
Amazon Bedrock AgentCore Runtime: MicroVM
CreateOS Sandbox: Firecracker microVM
SDKs
Amazon Bedrock AgentCore Runtime: Python, TypeScript
CreateOS Sandbox: Python, TypeScript, Go, Rust, Java
Integrations
Amazon Bedrock AgentCore Runtime: Claude Agent SDK, LangChain, MCP, OpenAI Agents SDK
CreateOS Sandbox: Claude Code

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Amazon Bedrock AgentCore Runtime: $0.0895
CreateOS Sandbox: $0.03616363
RAM, per GiB-hour
Amazon Bedrock AgentCore Runtime: $0.00945
CreateOS Sandbox: $0.01159025
Storage
Amazon Bedrock AgentCore Runtime: Session storage is free during preview. Code storage is billed at Amazon ECR or S3 rates
CreateOS Sandbox: $0.0001584 per GiB-hour
Free tier
Amazon Bedrock AgentCore Runtime: Not listed
CreateOS Sandbox: Starting credit of 500 credits
Paid plan from
Amazon Bedrock AgentCore Runtime: Pay as you go
CreateOS Sandbox: Pay as you go
Billing
Amazon Bedrock AgentCore Runtime: Active CPU time only
CreateOS Sandbox: Per second

Limits

Max session
Amazon Bedrock AgentCore Runtime: 8 hours
CreateOS Sandbox: No limit
Idle stop
Amazon Bedrock AgentCore Runtime: After 15 minutes
CreateOS Sandbox: Not listed
Largest sandbox
Amazon Bedrock AgentCore Runtime: 2 vCPU · 8 GiB
CreateOS Sandbox: 8 vCPU · 8 GiB
Concurrent sandboxes
Amazon Bedrock AgentCore Runtime: Up to 5,000
CreateOS Sandbox: Up to 20

Platform

Isolation
Amazon Bedrock AgentCore Runtime: MicroVM
CreateOS Sandbox: Firecracker microVM
GPU
Amazon Bedrock AgentCore Runtime: Not listed
CreateOS Sandbox: No
Snapshots
Amazon Bedrock AgentCore Runtime: Not listed
CreateOS Sandbox:
Pause and resume
Amazon Bedrock AgentCore Runtime:
CreateOS Sandbox:

Developer

SDKs
Amazon Bedrock AgentCore Runtime: Python, TypeScript
CreateOS Sandbox: Python, TypeScript, Go, Rust, Java
Integrations
Amazon Bedrock AgentCore Runtime: Claude Agent SDK, LangChain, MCP, OpenAI Agents SDK
CreateOS Sandbox: Claude Code

Trust

License
Amazon Bedrock AgentCore Runtime: Not listed
CreateOS Sandbox: Not listed
BYOC
Amazon Bedrock AgentCore Runtime: Not listed
CreateOS Sandbox: Enterprise only. Provider runs the control plane

Hourly cost

One sandbox running for one hour

Amazon Bedrock AgentCore Runtime
CreateOS Sandbox
1 vCPU · 2 GiB
Amazon Bedrock AgentCore Runtime: $0.108
CreateOS Sandbox: $0.059
2 vCPU · 4 GiB
Amazon Bedrock AgentCore Runtime: $0.217
CreateOS Sandbox: $0.119
4 vCPU · 8 GiB
Amazon Bedrock AgentCore Runtime: $0.434
CreateOS Sandbox: $0.237

Compute only, at list rates.

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Which one fits

Based on the fields above

Amazon Bedrock AgentCore Runtime fits when

  • You use the Claude Agent SDK, LangChain, MCP or the OpenAI Agents SDK.
  • Your code waits a lot: CPU is billed only while it is in use.
  • You need SOC 2 and HIPAA.

CreateOS Sandbox fits when

  • A session must run longer than 8 hours.
  • You use Claude Code.
  • You want the lower list price: $0.119 against $0.217 an hour for 2 vCPU and 4 GiB.
  • You need snapshots.

More comparisons

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