Runloop vs Runtime

Runloop costs $0.108 per vCPU-hour and Runtime costs $0.025 per vCPU-hour. Runloop runs microVMs. Runtime runs Firecracker microVMs and has no session limit.

Updated Oct 23, 2026

Runloop

Devboxes built for coding agents.

Isolation: MicroVM
Free tier: $50 credit
Max session: Not listed

Visit site Runloop profile

Runtime

Firecracker microVM sandboxes for AI agents, billed on the CPU that code uses.

Isolation: Firecracker microVM
Free tier: 100 hours of a 1 GB machine in the first 30 days
Max session: No limit

Visit site Runtime profile

What is different

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

Field

Runloop

Runtime

vCPU, per hour: Runloop: $0.108; Runtime: $0.025
RAM, per GiB-hour: Runloop: $0.0252; Runtime: $0.0075
Storage: Runloop: $0.00034236 per GiB-hour; Runtime: $0.000119 per GiB-hour after 10 free GiB
Free tier: Runloop: $50 credit; Runtime: 100 hours of a 1 GB machine in the first 30 days
Billing: Runloop: Per second; Runtime: Active CPU time only
Isolation: Runloop: MicroVM; Runtime: Firecracker microVM
SDKs: Runloop: Python, TypeScript; Runtime: JavaScript / TypeScript, Python, Go, Ruby, Java
Integrations: Runloop: OpenAI Agents SDK, MCP, Claude Code; Runtime: OpenAI Agents SDK, Vercel AI SDK, Claude Agent SDK, LangChain, MCP, Claude Code

Full comparison

18 fields, at each provider's list price

Runlooprunloop.ai/pricing

Runtimewithruntime.com/pricingwithruntime.com

Pricing

vCPU, per hour: Runloop: $0.108; Runtime: $0.025
RAM, per GiB-hour: Runloop: $0.0252; Runtime: $0.0075
Storage: Runloop: $0.00034236 per GiB-hour; Runtime: $0.000119 per GiB-hour after 10 free GiB
Free tier: Runloop: $50 credit; Runtime: 100 hours of a 1 GB machine in the first 30 days
Paid plan from: Runloop: Pay as you go; Runtime: Pay as you go
Billing: Runloop: Per second; Runtime: Active CPU time only

Limits

Max session: Runloop: Not listed; Runtime: No limit
Idle stop: Runloop: Not listed; Runtime: After 5 minutes
Largest sandbox: Runloop: 16 vCPU · 64 GiB; Runtime: 16 vCPU · 64 GiB
Concurrent sandboxes: Runloop: Not listed; Runtime: Up to 200

Platform

Isolation: Runloop: MicroVM; Runtime: Firecracker microVM
GPU: Runloop: Not listed; Runtime: No
Snapshots: Runloop:; Runtime:
Pause and resume: Runloop:; Runtime:

Developer

SDKs: Runloop: Python, TypeScript; Runtime: JavaScript / TypeScript, Python, Go, Ruby, Java
Integrations: Runloop: OpenAI Agents SDK, MCP, Claude Code; Runtime: OpenAI Agents SDK, Vercel AI SDK, Claude Agent SDK, LangChain, MCP, Claude Code

Trust

License: Runloop: Not listed; Runtime: Not listed
BYOC: Runloop: Deploy to VPC, Enterprise plan; Runtime: Not listed

Hourly cost

One sandbox running for one hour

Size

Runloop

Runtime

1 vCPU · 2 GiB: Runloop: $0.158; Runtime: $0.040
2 vCPU · 4 GiB: Runloop: $0.317; Runtime: $0.080
4 vCPU · 8 GiB: Runloop: $0.634; Runtime: $0.160

Compute only, at list rates.

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Which one fits

Based on the fields above

Runloop fits when

You need the sandboxes in your own cloud account.
You need SOC 2 Type II, HIPAA and GDPR.

Runtime fits when

You use the Vercel AI SDK, the Claude Agent SDK or LangChain.
You want the lower list price: $0.080 against $0.317 an hour for 2 vCPU and 4 GiB.
Your code waits a lot: CPU is billed only while it is in use.

More comparisons

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Runloop

Runtime

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Runloop fits when

Runtime fits when

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