Amazon Bedrock AgentCore Runtime vs xShellz Agent Shell

Amazon Bedrock AgentCore Runtime costs $0.0895 per vCPU-hour. Amazon Bedrock AgentCore Runtime runs microVMs and limits a session to 8 hours. xShellz Agent Shell 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

xShellz Agent Shell

Always-on Linux boxes for AI agents, isolated with gVisor.

Isolation: gVisor
Free tier: Free plan, 1 box with 0.5 vCPU and 512 MB
Max session: No limit

Visit site xShellz Agent Shell profile

What is different

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

Field

Amazon Bedrock AgentCore Runtime

xShellz Agent Shell

RAM, per GiB-hour: Amazon Bedrock AgentCore Runtime: $0.00945; xShellz Agent Shell: Included
Storage: Amazon Bedrock AgentCore Runtime: Session storage is free during preview. Code storage is billed at Amazon ECR or S3 rates; xShellz Agent Shell: Free
Paid plan from: Amazon Bedrock AgentCore Runtime: Pay as you go; xShellz Agent Shell: $10 / month
Billing: Amazon Bedrock AgentCore Runtime: Active CPU time only; xShellz Agent Shell: Bundled machine time
Max session: Amazon Bedrock AgentCore Runtime: 8 hours; xShellz Agent Shell: No limit
Largest sandbox: Amazon Bedrock AgentCore Runtime: 2 vCPU · 8 GiB; xShellz Agent Shell: 4 vCPU · 4 GiB
Concurrent sandboxes: Amazon Bedrock AgentCore Runtime: Up to 5,000; xShellz Agent Shell: Up to 5
Isolation: Amazon Bedrock AgentCore Runtime: MicroVM; xShellz Agent Shell: gVisor
SDKs: Amazon Bedrock AgentCore Runtime: Python, TypeScript; xShellz Agent Shell: Python, JavaScript / TypeScript, Go, Java, Ruby, Rust
Integrations: Amazon Bedrock AgentCore Runtime: Claude Agent SDK, LangChain, MCP, OpenAI Agents SDK; xShellz Agent Shell: MCP, Claude Code

Full comparison

18 fields, at each provider's list price

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

xShellz Agent Shellxshellz.com/pricingxshellz.com

Pricing

vCPU, per hour: Amazon Bedrock AgentCore Runtime: $0.0895; xShellz Agent Shell: Not listed
RAM, per GiB-hour: Amazon Bedrock AgentCore Runtime: $0.00945; xShellz Agent Shell: Included
Storage: Amazon Bedrock AgentCore Runtime: Session storage is free during preview. Code storage is billed at Amazon ECR or S3 rates; xShellz Agent Shell: Free
Free tier: Amazon Bedrock AgentCore Runtime: Not listed; xShellz Agent Shell: Free plan, 1 box with 0.5 vCPU and 512 MB
Paid plan from: Amazon Bedrock AgentCore Runtime: Pay as you go; xShellz Agent Shell: $10 / month
Billing: Amazon Bedrock AgentCore Runtime: Active CPU time only; xShellz Agent Shell: Bundled machine time

Limits

Max session: Amazon Bedrock AgentCore Runtime: 8 hours; xShellz Agent Shell: No limit
Idle stop: Amazon Bedrock AgentCore Runtime: After 15 minutes; xShellz Agent Shell: Not listed
Largest sandbox: Amazon Bedrock AgentCore Runtime: 2 vCPU · 8 GiB; xShellz Agent Shell: 4 vCPU · 4 GiB
Concurrent sandboxes: Amazon Bedrock AgentCore Runtime: Up to 5,000; xShellz Agent Shell: Up to 5

Platform

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

Developer

SDKs: Amazon Bedrock AgentCore Runtime: Python, TypeScript; xShellz Agent Shell: Python, JavaScript / TypeScript, Go, Java, Ruby, Rust
Integrations: Amazon Bedrock AgentCore Runtime: Claude Agent SDK, LangChain, MCP, OpenAI Agents SDK; xShellz Agent Shell: MCP, Claude Code

Trust

License: Amazon Bedrock AgentCore Runtime: Not listed; xShellz Agent Shell: Not listed
BYOC: Amazon Bedrock AgentCore Runtime: Not listed; xShellz Agent Shell: Not listed

Hourly cost

One sandbox running for one hour

Size

Amazon Bedrock AgentCore Runtime

xShellz Agent Shell

1 vCPU · 2 GiB: Amazon Bedrock AgentCore Runtime: $0.108; xShellz Agent Shell: Not listed
2 vCPU · 4 GiB: Amazon Bedrock AgentCore Runtime: $0.217; xShellz Agent Shell: Not listed
4 vCPU · 8 GiB: Amazon Bedrock AgentCore Runtime: $0.434; xShellz Agent Shell: Not listed

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 to pay only for usage, with no plan fee.
You want each sandbox in its own microVM.
You use the Claude Agent SDK, LangChain or the OpenAI Agents SDK.
Your code waits a lot: CPU is billed only while it is in use.

xShellz Agent Shell fits when

A session must run longer than 8 hours.
You use Claude Code.
You need GDPR.

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Amazon Bedrock AgentCore Runtime

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What is different

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Pricing

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