Amazon Bedrock AgentCore Runtime vs Zipbox

Amazon Bedrock AgentCore Runtime costs $0.0895 per vCPU-hour and Zipbox costs $0.00685 per vCPU-hour. Amazon Bedrock AgentCore Runtime runs microVMs and limits a session to 8 hours. Zipbox runs Firecracker microVMs and has no session limit.

Updated

Amazon Bedrock AgentCore Runtime

Isolation
MicroVM
Free tier
Not listed
Max session
8 hours

Zipbox

Isolation
Firecracker microVM
Free tier
$25 credit after a one-time $5 top-up
Max session
No limit

What is different

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

Amazon Bedrock AgentCore Runtime
Zipbox
vCPU, per hour
Amazon Bedrock AgentCore Runtime: $0.0895
Zipbox: $0.00685
RAM, per GiB-hour
Amazon Bedrock AgentCore Runtime: $0.00945
Zipbox: Included
Storage
Amazon Bedrock AgentCore Runtime: Session storage is free during preview. Code storage is billed at Amazon ECR or S3 rates
Zipbox: Free
Billing
Amazon Bedrock AgentCore Runtime: Active CPU time only
Zipbox: Bundled machine time
Max session
Amazon Bedrock AgentCore Runtime: 8 hours
Zipbox: No limit
Largest sandbox
Amazon Bedrock AgentCore Runtime: 2 vCPU · 8 GiB
Zipbox: 6 vCPU · 16 GiB
Isolation
Amazon Bedrock AgentCore Runtime: MicroVM
Zipbox: Firecracker microVM
Pause and resume
Amazon Bedrock AgentCore Runtime:
Zipbox: No
SDKs
Amazon Bedrock AgentCore Runtime: Python, TypeScript
Zipbox: TypeScript, Python, Go, Rust
Integrations
Amazon Bedrock AgentCore Runtime: Claude Agent SDK, LangChain, MCP, OpenAI Agents SDK
Zipbox: MCP, Claude Code, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK, LangChain

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Amazon Bedrock AgentCore Runtime: $0.0895
Zipbox: $0.00685
RAM, per GiB-hour
Amazon Bedrock AgentCore Runtime: $0.00945
Zipbox: Included
Storage
Amazon Bedrock AgentCore Runtime: Session storage is free during preview. Code storage is billed at Amazon ECR or S3 rates
Zipbox: Free
Free tier
Amazon Bedrock AgentCore Runtime: Not listed
Zipbox: $25 credit after a one-time $5 top-up
Paid plan from
Amazon Bedrock AgentCore Runtime: Pay as you go
Zipbox: Pay as you go
Billing
Amazon Bedrock AgentCore Runtime: Active CPU time only
Zipbox: Bundled machine time

Limits

Max session
Amazon Bedrock AgentCore Runtime: 8 hours
Zipbox: No limit
Idle stop
Amazon Bedrock AgentCore Runtime: After 15 minutes
Zipbox: Not listed
Largest sandbox
Amazon Bedrock AgentCore Runtime: 2 vCPU · 8 GiB
Zipbox: 6 vCPU · 16 GiB
Concurrent sandboxes
Amazon Bedrock AgentCore Runtime: Up to 5,000
Zipbox: Not listed

Platform

Isolation
Amazon Bedrock AgentCore Runtime: MicroVM
Zipbox: Firecracker microVM
GPU
Amazon Bedrock AgentCore Runtime: Not listed
Zipbox: Not listed
Snapshots
Amazon Bedrock AgentCore Runtime: Not listed
Zipbox: No
Pause and resume
Amazon Bedrock AgentCore Runtime:
Zipbox: No

Developer

SDKs
Amazon Bedrock AgentCore Runtime: Python, TypeScript
Zipbox: TypeScript, Python, Go, Rust
Integrations
Amazon Bedrock AgentCore Runtime: Claude Agent SDK, LangChain, MCP, OpenAI Agents SDK
Zipbox: MCP, Claude Code, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK, LangChain

Trust

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

Hourly cost

One sandbox running for one hour

Amazon Bedrock AgentCore Runtime
Zipbox
1 vCPU · 2 GiB
Amazon Bedrock AgentCore Runtime: $0.108
Zipbox: $0.007
2 vCPU · 4 GiB
Amazon Bedrock AgentCore Runtime: $0.217
Zipbox: $0.014
4 vCPU · 8 GiB
Amazon Bedrock AgentCore Runtime: $0.434
Zipbox: $0.027

Compute only, at list rates.

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Which one fits

Based on the fields above

Amazon Bedrock AgentCore Runtime fits when

  • You need pause and resume.
  • Your code waits a lot: CPU is billed only while it is in use.
  • You need SOC 2, HIPAA and ISO 27001.

Zipbox fits when

  • A session must run longer than 8 hours.
  • You use Claude Code or the Vercel AI SDK.
  • You want the lower list price: $0.014 against $0.217 an hour for 2 vCPU and 4 GiB.
  • You need a desktop in the sandbox.

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