Amazon Bedrock AgentCore Runtime vs Phonebox

Amazon Bedrock AgentCore Runtime costs $0.0895 per vCPU-hour. Amazon Bedrock AgentCore Runtime runs microVMs and limits a session to 8 hours. Phonebox limits a session to 3 hours.

Updated

Amazon Bedrock AgentCore Runtime

Isolation
MicroVM
Free tier
Not listed
Max session
8 hours

Phonebox

Isolation
Not listed
Free tier
$2 starter credit, one time, no card
Max session
3 hours

What is different

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

Amazon Bedrock AgentCore Runtime
Phonebox
Billing
Amazon Bedrock AgentCore Runtime: Active CPU time only
Phonebox: Bundled machine time
Max session
Amazon Bedrock AgentCore Runtime: 8 hours
Phonebox: 3 hours
Idle stop
Amazon Bedrock AgentCore Runtime: After 15 minutes
Phonebox: After 5 minutes
Concurrent sandboxes
Amazon Bedrock AgentCore Runtime: Up to 5,000
Phonebox: Up to 5
SDKs
Amazon Bedrock AgentCore Runtime: Python, TypeScript
Phonebox: TypeScript
Integrations
Amazon Bedrock AgentCore Runtime: Claude Agent SDK, LangChain, MCP, OpenAI Agents SDK
Phonebox: MCP

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Amazon Bedrock AgentCore Runtime: $0.0895
Phonebox: Not listed
RAM, per GiB-hour
Amazon Bedrock AgentCore Runtime: $0.00945
Phonebox: Not listed
Storage
Amazon Bedrock AgentCore Runtime: Session storage is free during preview. Code storage is billed at Amazon ECR or S3 rates
Phonebox: Not listed
Free tier
Amazon Bedrock AgentCore Runtime: Not listed
Phonebox: $2 starter credit, one time, no card
Paid plan from
Amazon Bedrock AgentCore Runtime: Pay as you go
Phonebox: Pay as you go
Billing
Amazon Bedrock AgentCore Runtime: Active CPU time only
Phonebox: Bundled machine time

Limits

Max session
Amazon Bedrock AgentCore Runtime: 8 hours
Phonebox: 3 hours
Idle stop
Amazon Bedrock AgentCore Runtime: After 15 minutes
Phonebox: After 5 minutes
Largest sandbox
Amazon Bedrock AgentCore Runtime: 2 vCPU · 8 GiB
Phonebox: Not listed
Concurrent sandboxes
Amazon Bedrock AgentCore Runtime: Up to 5,000
Phonebox: Up to 5

Platform

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

Developer

SDKs
Amazon Bedrock AgentCore Runtime: Python, TypeScript
Phonebox: TypeScript
Integrations
Amazon Bedrock AgentCore Runtime: Claude Agent SDK, LangChain, MCP, OpenAI Agents SDK
Phonebox: MCP

Trust

License
Amazon Bedrock AgentCore Runtime: Not listed
Phonebox: Not listed
BYOC
Amazon Bedrock AgentCore Runtime: Not listed
Phonebox: Not listed

Hourly cost

One sandbox running for one hour

Amazon Bedrock AgentCore Runtime
Phonebox
1 vCPU · 2 GiB
Amazon Bedrock AgentCore Runtime: $0.108
Phonebox: Not listed
2 vCPU · 4 GiB
Amazon Bedrock AgentCore Runtime: $0.217
Phonebox: Not listed
4 vCPU · 8 GiB
Amazon Bedrock AgentCore Runtime: $0.434
Phonebox: 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

  • A session must run longer than 3 hours.
  • 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.

More comparisons

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