Amazon Bedrock AgentCore Runtime vs Sendblue Sandboxes

Amazon Bedrock AgentCore Runtime costs $0.0895 per vCPU-hour and Sendblue Sandboxes costs $0.165 per vCPU-hour. Amazon Bedrock AgentCore Runtime runs microVMs and limits a session to 8 hours. Sendblue Sandboxes runs containers.

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

Sendblue Sandboxes

Isolated cloud Linux machines that AI agents control over an HTTP API.

Isolation: Container
Free tier: $100 free compute, once per phone number
Max session: Not listed

Visit site Sendblue Sandboxes profile

What is different

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

Field

Amazon Bedrock AgentCore Runtime

Sendblue Sandboxes

vCPU, per hour: Amazon Bedrock AgentCore Runtime: $0.0895; Sendblue Sandboxes: $0.165
RAM, per GiB-hour: Amazon Bedrock AgentCore Runtime: $0.00945; Sendblue Sandboxes: Included
Billing: Amazon Bedrock AgentCore Runtime: Active CPU time only; Sendblue Sandboxes: Bundled machine time
Idle stop: Amazon Bedrock AgentCore Runtime: After 15 minutes; Sendblue Sandboxes: After 10 minutes
Concurrent sandboxes: Amazon Bedrock AgentCore Runtime: Up to 5,000; Sendblue Sandboxes: Up to 5
Isolation: Amazon Bedrock AgentCore Runtime: MicroVM; Sendblue Sandboxes: Container
Pause and resume: Amazon Bedrock AgentCore Runtime:; Sendblue Sandboxes: No

Full comparison

18 fields, at each provider's list price

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

Sendblue Sandboxessendblue.com/sandboxessendblue.com

Pricing

vCPU, per hour: Amazon Bedrock AgentCore Runtime: $0.0895; Sendblue Sandboxes: $0.165
RAM, per GiB-hour: Amazon Bedrock AgentCore Runtime: $0.00945; Sendblue Sandboxes: Included
Storage: Amazon Bedrock AgentCore Runtime: Session storage is free during preview. Code storage is billed at Amazon ECR or S3 rates; Sendblue Sandboxes: Not listed
Free tier: Amazon Bedrock AgentCore Runtime: Not listed; Sendblue Sandboxes: $100 free compute, once per phone number
Paid plan from: Amazon Bedrock AgentCore Runtime: Pay as you go; Sendblue Sandboxes: Not listed
Billing: Amazon Bedrock AgentCore Runtime: Active CPU time only; Sendblue Sandboxes: Bundled machine time

Limits

Max session: Amazon Bedrock AgentCore Runtime: 8 hours; Sendblue Sandboxes: Not listed
Idle stop: Amazon Bedrock AgentCore Runtime: After 15 minutes; Sendblue Sandboxes: After 10 minutes
Largest sandbox: Amazon Bedrock AgentCore Runtime: 2 vCPU · 8 GiB; Sendblue Sandboxes: 2 vCPU · 8 GiB
Concurrent sandboxes: Amazon Bedrock AgentCore Runtime: Up to 5,000; Sendblue Sandboxes: Up to 5

Platform

Isolation: Amazon Bedrock AgentCore Runtime: MicroVM; Sendblue Sandboxes: Container
GPU: Amazon Bedrock AgentCore Runtime: Not listed; Sendblue Sandboxes: Not listed
Snapshots: Amazon Bedrock AgentCore Runtime: Not listed; Sendblue Sandboxes: Not listed
Pause and resume: Amazon Bedrock AgentCore Runtime:; Sendblue Sandboxes: No

Developer

SDKs: Amazon Bedrock AgentCore Runtime: Python, TypeScript; Sendblue Sandboxes: Not listed
Integrations: Amazon Bedrock AgentCore Runtime: Claude Agent SDK, LangChain, MCP, OpenAI Agents SDK; Sendblue Sandboxes: Not listed

Trust

License: Amazon Bedrock AgentCore Runtime: Not listed; Sendblue Sandboxes: Not listed
BYOC: Amazon Bedrock AgentCore Runtime: Not listed; Sendblue Sandboxes: Not listed

Hourly cost

One sandbox running for one hour

Size

Amazon Bedrock AgentCore Runtime

Sendblue Sandboxes

1 vCPU · 2 GiB: Amazon Bedrock AgentCore Runtime: $0.108; Sendblue Sandboxes: $0.165
2 vCPU · 4 GiB: Amazon Bedrock AgentCore Runtime: $0.217; Sendblue Sandboxes: $0.330
4 vCPU · 8 GiB: Amazon Bedrock AgentCore Runtime: $0.434; Sendblue Sandboxes: $0.660

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, LangChain, MCP or the OpenAI Agents SDK.
You want the lower list price: $0.217 against $0.330 an hour for 2 vCPU and 4 GiB.
You need pause and resume.

Sendblue Sandboxes fits when

You need SOC 2 Type II.

More comparisons

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Amazon Bedrock AgentCore Runtime

Sendblue Sandboxes

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Amazon Bedrock AgentCore Runtime fits when

Sendblue Sandboxes fits when

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