Amazon Bedrock AgentCore Runtime vs Sandbox0

Amazon Bedrock AgentCore Runtime costs $0.0895 per vCPU-hour. Sandbox0 bills memory only, at $0.015 per GiB-hour. Amazon Bedrock AgentCore Runtime runs microVMs and limits a session to 8 hours. Sandbox0 runs gVisor and has no session limit.

Updated Oct 23, 2026

Amazon Bedrock AgentCore Runtime

Hosts AI agents on AWS and runs each user session in its own microVM.

Isolation: MicroVM
Free tier: Not listed
Max session: 8 hours

Visit site Amazon Bedrock AgentCore Runtime profile

Sandbox0

Long-running agent sandboxes with durable storage.

Isolation: gVisor
Free tier: $5 credit, one time
Max session: No limit

Visit site Sandbox0 profile

What is different

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

Field

Amazon Bedrock AgentCore Runtime

Sandbox0

vCPU, per hour: Amazon Bedrock AgentCore Runtime: $0.0895; Sandbox0: Included
RAM, per GiB-hour: Amazon Bedrock AgentCore Runtime: $0.00945; Sandbox0: $0.015
Storage: Amazon Bedrock AgentCore Runtime: Session storage is free during preview. Code storage is billed at Amazon ECR or S3 rates; Sandbox0: $0.02 per GiB-month for retained RootFS changes and memory checkpoints. Shared base images are free
Billing: Amazon Bedrock AgentCore Runtime: Active CPU time only; Sandbox0: Memory only
Max session: Amazon Bedrock AgentCore Runtime: 8 hours; Sandbox0: No limit
Concurrent sandboxes: Amazon Bedrock AgentCore Runtime: Up to 5,000; Sandbox0: Up to 20
Isolation: Amazon Bedrock AgentCore Runtime: MicroVM; Sandbox0: gVisor
SDKs: Amazon Bedrock AgentCore Runtime: Python, TypeScript; Sandbox0: Go, Python, JavaScript / TypeScript
Integrations: Amazon Bedrock AgentCore Runtime: Claude Agent SDK, LangChain, MCP, OpenAI Agents SDK; Sandbox0: LangChain, OpenAI Agents SDK

Full comparison

18 fields, at each provider's list price

Amazon Bedrock AgentCore Runtimeaws.amazon.com/bedrock/agentcore/pricingaws.amazon.com

Sandbox0sandbox0.ai/pricingsandbox0.ai

Pricing

vCPU, per hour: Amazon Bedrock AgentCore Runtime: $0.0895; Sandbox0: Included
RAM, per GiB-hour: Amazon Bedrock AgentCore Runtime: $0.00945; Sandbox0: $0.015
Storage: Amazon Bedrock AgentCore Runtime: Session storage is free during preview. Code storage is billed at Amazon ECR or S3 rates; Sandbox0: $0.02 per GiB-month for retained RootFS changes and memory checkpoints. Shared base images are free
Free tier: Amazon Bedrock AgentCore Runtime: Not listed; Sandbox0: $5 credit, one time
Paid plan from: Amazon Bedrock AgentCore Runtime: Pay as you go; Sandbox0: Pay as you go
Billing: Amazon Bedrock AgentCore Runtime: Active CPU time only; Sandbox0: Memory only

Limits

Max session: Amazon Bedrock AgentCore Runtime: 8 hours; Sandbox0: No limit
Idle stop: Amazon Bedrock AgentCore Runtime: After 15 minutes; Sandbox0: Not listed
Largest sandbox: Amazon Bedrock AgentCore Runtime: 2 vCPU · 8 GiB; Sandbox0: Not listed
Concurrent sandboxes: Amazon Bedrock AgentCore Runtime: Up to 5,000; Sandbox0: Up to 20

Platform

Isolation: Amazon Bedrock AgentCore Runtime: MicroVM; Sandbox0: gVisor
GPU: Amazon Bedrock AgentCore Runtime: Not listed; Sandbox0: Not listed
Snapshots: Amazon Bedrock AgentCore Runtime: Not listed; Sandbox0:
Pause and resume: Amazon Bedrock AgentCore Runtime:; Sandbox0:

Developer

SDKs: Amazon Bedrock AgentCore Runtime: Python, TypeScript; Sandbox0: Go, Python, JavaScript / TypeScript
Integrations: Amazon Bedrock AgentCore Runtime: Claude Agent SDK, LangChain, MCP, OpenAI Agents SDK; Sandbox0: LangChain, OpenAI Agents SDK

Trust

License: Amazon Bedrock AgentCore Runtime: Not listed; Sandbox0: Not listed
BYOC: Amazon Bedrock AgentCore Runtime: Not listed; Sandbox0: No

Hourly cost

One sandbox running for one hour

Size

Amazon Bedrock AgentCore Runtime

Sandbox0

1 vCPU · 2 GiB: Amazon Bedrock AgentCore Runtime: $0.108; Sandbox0: $0.030
2 vCPU · 4 GiB: Amazon Bedrock AgentCore Runtime: $0.217; Sandbox0: $0.060
4 vCPU · 8 GiB: Amazon Bedrock AgentCore Runtime: $0.434; Sandbox0: $0.120

Compute only, at list rates.

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Which one fits

Based on the fields above

Amazon Bedrock AgentCore Runtime fits when

You want each sandbox in its own microVM.
You use the Claude Agent SDK or MCP.
Your code waits a lot: CPU is billed only while it is in use.
You need SOC 2, HIPAA and ISO 27001.

Sandbox0 fits when

A session must run longer than 8 hours.
You want the lower list price: $0.060 against $0.217 an hour for 2 vCPU and 4 GiB.
You need snapshots.
You want one rate for memory, with CPU included.

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Amazon Bedrock AgentCore Runtime

Sandbox0

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Amazon Bedrock AgentCore Runtime fits when

Sandbox0 fits when

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