Amazon Bedrock AgentCore Runtime vs Shardflux

Amazon Bedrock AgentCore Runtime costs $0.0895 per vCPU-hour and Shardflux costs $0.04 per vCPU-hour. Amazon Bedrock AgentCore Runtime runs microVMs and limits a session to 8 hours. Shardflux runs Firecracker microVMs and offers GPUs.

Updated

Amazon Bedrock AgentCore Runtime

Isolation
MicroVM
Free tier
Not listed
Max session
8 hours

Shardflux

Isolation
Firecracker microVM
Free tier
30-day Pro trial, no card needed
Max session
Not listed

What is different

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

Amazon Bedrock AgentCore Runtime
Shardflux
vCPU, per hour
Amazon Bedrock AgentCore Runtime: $0.0895
Shardflux: $0.04
RAM, per GiB-hour
Amazon Bedrock AgentCore Runtime: $0.00945
Shardflux: $0.015
Storage
Amazon Bedrock AgentCore Runtime: Session storage is free during preview. Code storage is billed at Amazon ECR or S3 rates
Shardflux: Free
Paid plan from
Amazon Bedrock AgentCore Runtime: Pay as you go
Shardflux: $9 / month
Idle stop
Amazon Bedrock AgentCore Runtime: After 15 minutes
Shardflux: After 5 minutes
Largest sandbox
Amazon Bedrock AgentCore Runtime: 2 vCPU · 8 GiB
Shardflux: 32 vCPU · 64 GiB
Concurrent sandboxes
Amazon Bedrock AgentCore Runtime: Up to 5,000
Shardflux: Up to 200
Isolation
Amazon Bedrock AgentCore Runtime: MicroVM
Shardflux: Firecracker microVM
SDKs
Amazon Bedrock AgentCore Runtime: Python, TypeScript
Shardflux: TypeScript, Python
Integrations
Amazon Bedrock AgentCore Runtime: Claude Agent SDK, LangChain, MCP, OpenAI Agents SDK
Shardflux: Claude Code, MCP, 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
Shardflux: $0.04
RAM, per GiB-hour
Amazon Bedrock AgentCore Runtime: $0.00945
Shardflux: $0.015
Storage
Amazon Bedrock AgentCore Runtime: Session storage is free during preview. Code storage is billed at Amazon ECR or S3 rates
Shardflux: Free
Free tier
Amazon Bedrock AgentCore Runtime: Not listed
Shardflux: 30-day Pro trial, no card needed
Paid plan from
Amazon Bedrock AgentCore Runtime: Pay as you go
Shardflux: $9 / month
Billing
Amazon Bedrock AgentCore Runtime: Active CPU time only
Shardflux: Active CPU time only

Limits

Max session
Amazon Bedrock AgentCore Runtime: 8 hours
Shardflux: Not listed
Idle stop
Amazon Bedrock AgentCore Runtime: After 15 minutes
Shardflux: After 5 minutes
Largest sandbox
Amazon Bedrock AgentCore Runtime: 2 vCPU · 8 GiB
Shardflux: 32 vCPU · 64 GiB
Concurrent sandboxes
Amazon Bedrock AgentCore Runtime: Up to 5,000
Shardflux: Up to 200

Platform

Isolation
Amazon Bedrock AgentCore Runtime: MicroVM
Shardflux: Firecracker microVM
GPU
Amazon Bedrock AgentCore Runtime: Not listed
Shardflux:
Snapshots
Amazon Bedrock AgentCore Runtime: Not listed
Shardflux:
Pause and resume
Amazon Bedrock AgentCore Runtime:
Shardflux:

Developer

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

Trust

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

Hourly cost

One sandbox running for one hour

Amazon Bedrock AgentCore Runtime
Shardflux
1 vCPU · 2 GiB
Amazon Bedrock AgentCore Runtime: $0.108
Shardflux: $0.070
2 vCPU · 4 GiB
Amazon Bedrock AgentCore Runtime: $0.217
Shardflux: $0.140
4 vCPU · 8 GiB
Amazon Bedrock AgentCore Runtime: $0.434
Shardflux: $0.280

Compute only, at list rates.

Open the calculator

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 need SOC 2, HIPAA and ISO 27001.

Shardflux fits when

  • You need GPUs.
  • You use Claude Code or the Vercel AI SDK.
  • You want the lower list price: $0.140 against $0.217 an hour for 2 vCPU and 4 GiB.
  • You need snapshots.

More comparisons

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