Amazon Bedrock AgentCore Runtime vs Watasu

Amazon Bedrock AgentCore Runtime costs $0.0895 per vCPU-hour. Amazon Bedrock AgentCore Runtime runs microVMs and limits a session to 8 hours. Watasu limits a session to 24 hours.

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

Watasu

Isolated Linux sandboxes for AI agents, hosted in the EU.

Isolation: Not listed
Free tier: Free Basic plan
Max session: 24 hours

Visit site Watasu profile

What is different

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

Field

Amazon Bedrock AgentCore Runtime

Watasu

Storage: Amazon Bedrock AgentCore Runtime: Session storage is free during preview. Code storage is billed at Amazon ECR or S3 rates; Watasu: Retained disks €0.10 per GiB per month while the sandbox is stopped. Checkpoints and templates €0.03 per GiB per month.
Billing: Amazon Bedrock AgentCore Runtime: Active CPU time only; Watasu: Per second
Max session: Amazon Bedrock AgentCore Runtime: 8 hours; Watasu: 24 hours
Largest sandbox: Amazon Bedrock AgentCore Runtime: 2 vCPU · 8 GiB; Watasu: 8 vCPU · 8 GiB
Concurrent sandboxes: Amazon Bedrock AgentCore Runtime: Up to 5,000; Watasu: Up to 100
SDKs: Amazon Bedrock AgentCore Runtime: Python, TypeScript; Watasu: Python, TypeScript, Rust
Integrations: Amazon Bedrock AgentCore Runtime: Claude Agent SDK, LangChain, MCP, OpenAI Agents SDK; Watasu: MCP, Claude Code

Full comparison

18 fields, at each provider's list price

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

Watasuwatasu.io/pricing

Pricing

vCPU, per hour: Amazon Bedrock AgentCore Runtime: $0.0895; Watasu: Not listed
RAM, per GiB-hour: Amazon Bedrock AgentCore Runtime: $0.00945; Watasu: Not listed
Storage: Amazon Bedrock AgentCore Runtime: Session storage is free during preview. Code storage is billed at Amazon ECR or S3 rates; Watasu: Retained disks €0.10 per GiB per month while the sandbox is stopped. Checkpoints and templates €0.03 per GiB per month.
Free tier: Amazon Bedrock AgentCore Runtime: Not listed; Watasu: Free Basic plan
Paid plan from: Amazon Bedrock AgentCore Runtime: Pay as you go; Watasu: Not listed
Billing: Amazon Bedrock AgentCore Runtime: Active CPU time only; Watasu: Per second

Limits

Max session: Amazon Bedrock AgentCore Runtime: 8 hours; Watasu: 24 hours
Idle stop: Amazon Bedrock AgentCore Runtime: After 15 minutes; Watasu: Not listed
Largest sandbox: Amazon Bedrock AgentCore Runtime: 2 vCPU · 8 GiB; Watasu: 8 vCPU · 8 GiB
Concurrent sandboxes: Amazon Bedrock AgentCore Runtime: Up to 5,000; Watasu: Up to 100

Platform

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

Developer

SDKs: Amazon Bedrock AgentCore Runtime: Python, TypeScript; Watasu: Python, TypeScript, Rust
Integrations: Amazon Bedrock AgentCore Runtime: Claude Agent SDK, LangChain, MCP, OpenAI Agents SDK; Watasu: MCP, Claude Code

Trust

License: Amazon Bedrock AgentCore Runtime: Not listed; Watasu: Not listed
BYOC: Amazon Bedrock AgentCore Runtime: Not listed; Watasu: Not listed

Hourly cost

One sandbox running for one hour

Size

Amazon Bedrock AgentCore Runtime

Watasu

1 vCPU · 2 GiB: Amazon Bedrock AgentCore Runtime: $0.108; Watasu: Not listed
2 vCPU · 4 GiB: Amazon Bedrock AgentCore Runtime: $0.217; Watasu: Not listed
4 vCPU · 8 GiB: Amazon Bedrock AgentCore Runtime: $0.434; Watasu: 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 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.
You need SOC 2, HIPAA and ISO 27001.

Watasu fits when

A session must run longer than 8 hours.
You use Claude Code.
You need snapshots.
You need a sandbox larger than 2 vCPU · 8 GiB.

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Amazon Bedrock AgentCore Runtime

Watasu

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

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Watasu fits when

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