exe.dev vs Runtime

exe.dev costs $0.0525 per vCPU-hour and Runtime costs $0.025 per vCPU-hour. exe.dev runs full VMs. Runtime runs Firecracker microVMs and has no session limit.

Updated Oct 23, 2026

exe.dev

Disposable VMs for AI agents, billed by the second.

Isolation: Full VM
Free tier: 7-day trial with a paid ChatGPT subscription
Max session: Not listed

Visit site exe.dev 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

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

Field

exe.dev

Runtime

vCPU, per hour: exe.dev: $0.0525; Runtime: $0.025
RAM, per GiB-hour: exe.dev: Included; Runtime: $0.0075
Storage: exe.dev: $0.08 per GiB per month of extra disk; Runtime: $0.000119 per GiB-hour after 10 free GiB
Free tier: exe.dev: 7-day trial with a paid ChatGPT subscription; Runtime: 100 hours of a 1 GB machine in the first 30 days
Paid plan from: exe.dev: $15 / month; Runtime: Pay as you go
Billing: exe.dev: Bundled machine time; Runtime: Active CPU time only
Largest sandbox: exe.dev: 32 vCPU · 64 GiB; Runtime: 16 vCPU · 64 GiB
Isolation: exe.dev: Full VM; Runtime: Firecracker microVM
Integrations: exe.dev: Claude Code, MCP; Runtime: OpenAI Agents SDK, Vercel AI SDK, Claude Agent SDK, LangChain, MCP, Claude Code

Full comparison

18 fields, at each provider's list price

exe.devexe.dev/pricing

Runtimewithruntime.com/pricingwithruntime.com

Pricing

vCPU, per hour: exe.dev: $0.0525; Runtime: $0.025
RAM, per GiB-hour: exe.dev: Included; Runtime: $0.0075
Storage: exe.dev: $0.08 per GiB per month of extra disk; Runtime: $0.000119 per GiB-hour after 10 free GiB
Free tier: exe.dev: 7-day trial with a paid ChatGPT subscription; Runtime: 100 hours of a 1 GB machine in the first 30 days
Paid plan from: exe.dev: $15 / month; Runtime: Pay as you go
Billing: exe.dev: Bundled machine time; Runtime: Active CPU time only

Limits

Max session: exe.dev: Not listed; Runtime: No limit
Idle stop: exe.dev: Not listed; Runtime: After 5 minutes
Largest sandbox: exe.dev: 32 vCPU · 64 GiB; Runtime: 16 vCPU · 64 GiB
Concurrent sandboxes: exe.dev: Not listed; Runtime: Up to 200

Platform

Isolation: exe.dev: Full VM; Runtime: Firecracker microVM
GPU: exe.dev: Not listed; Runtime: No
Snapshots: exe.dev: Not listed; Runtime:
Pause and resume: exe.dev: Not listed; Runtime:

Developer

SDKs: exe.dev: Not listed; Runtime: JavaScript / TypeScript, Python, Go, Ruby, Java
Integrations: exe.dev: Claude Code, MCP; Runtime: OpenAI Agents SDK, Vercel AI SDK, Claude Agent SDK, LangChain, MCP, Claude Code

Trust

License: exe.dev: Not listed; Runtime: Not listed
BYOC: exe.dev: Enterprise plan; Runtime: Not listed

Hourly cost

One sandbox running for one hour

Size

exe.dev

Runtime

1 vCPU · 2 GiB: exe.dev: $0.053; Runtime: $0.040
2 vCPU · 4 GiB: exe.dev: $0.105; Runtime: $0.080
4 vCPU · 8 GiB: exe.dev: $0.210; Runtime: $0.160

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

exe.dev fits when

You want each sandbox to be a full VM.
You need the sandboxes in your own cloud account.
You need a sandbox larger than 16 vCPU · 64 GiB.
You need HIPAA.

Runtime fits when

You want to pay only for usage, with no plan fee.
You want each sandbox in its own microVM.
You use the OpenAI Agents SDK, the Vercel AI SDK, the Claude Agent SDK or LangChain.
You want the lower list price: $0.080 against $0.105 an hour for 2 vCPU and 4 GiB.

More comparisons

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exe.dev

Runtime

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

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exe.dev fits when

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