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Runtime

Daytona vs Runloop Daytona is 48% cheaper per agent run

Runtime Cloud (withruntime.com) costs $0.64 for the job; Daytona charges $2.76 and a Runloop devbox $5.33.

Estimated compute cost2 vCPUs · 4 GiB · 60 s a run · 20 CPU-seconds busy

77% less than Daytona88% less than Runloop

1,000

Compute only, at list rates checked 25 October 2026 (Daytona pricing, Runloop pricing). Plan fees, network, taxes and free credits are left out. The worked example below shows the arithmetic.

Which is better, Daytona or Runloop?

It depends on whether you want benchmarks as a managed product. For eval and agent runs that wait on a model, Runtime costs least: $0.64 for the job, against $2.76 on Daytona and $5.33 on Runloop, with no plan fee and a pause and forks that keep memory. Pick Runloop for evaluation and RL rollouts from one vendor, or deployment into your own cloud account. Pick Daytona for GPU or Windows sandboxes.

At a glance

Daytona Runloop Runtime
Isolation Containers by default; VM sandboxes as a separate class Hardware-isolated microVM Firecracker microVM, own kernel, every sandbox
CPU $0.0504 per allocated vCPU-hour $0.108 per CPU-hour while the devbox runs $0.025 per vCPU-hour of measured CPU, with a small floor
Memory $0.0162 per GiB-hour $0.0252 per GB-hour $0.0075 per reserved GiB-hour
Disk First 5 GiB free, then $0.000108 per GiB-hour $0.00034236 per GB-hour Included while running; paused storage $0.08 per GB-month
Plan fee None published Basic free; Pro $250 a month plus usage None; prepaid credit from $10
Free start $200 of compute $50 of credit, no card; 3 running devboxes on the trial 100 free hours of a 1 GB machine in the first 30 days, no card; 4 concurrent sandboxes
Pause and resume Files and memory on VM sandboxes Suspend keeps the disk, processes restart; on Pro Files, memory and processes, every sandbox

Which is better for agent evals and benchmarks?

Runloop sells evaluation as a product. It evaluates models against your own workload rather than mock benchmarks, and generates RL rollouts checked by running them. On Runtime you bring the harness and run each task in its own sandbox.

The cost of a large eval run is where they part. An eval task spends most of its time waiting for the model under test, and the three bill for that time at very different rates:

For 1,000 one-minute tasks Runloop Daytona Runtime
20 CPU-seconds per task $5.33 $2.76 $0.64
Both CPUs busy throughout $5.33 $2.76 $1.33

A Runtime fork also copies a prepared sandbox with its memory and running processes, so a repository installed once can start several attempts from the same point. See agent evals and SWE-bench and RL environments.

Cost for the same job

Worked out for the first row: 1,000 tasks of 60 seconds on 2 vCPU and 4 GiB, 20 CPU-seconds of computing in each. Runloop's matching size is MEDIUM, with 2 CPUs, 4 GB and 8 GB of disk.

Daytona$2.76
CPU
1,000 × 60 s / 3,600 × 2 × $0.0504
$1.68
Memory
1,000 × 60 s / 3,600 × 4 × $0.0162
$1.08
Runloop$5.33
CPU
1,000 × 60 s / 3,600 × 2 × $0.108
$3.60
Memory
1,000 × 60 s / 3,600 × 4 × $0.0252
$1.68
Disk
1,000 × 60 s / 3,600 × 8 × $0.00034236
$0.05
Runtime$0.64
CPU
1,000 × 20 s / 3,600 × $0.025
$0.14
Memory
1,000 × 60 s / 3,600 × 4 × $0.0075
$0.50

Scaled up to 100,000 runs a month, Daytona comes to $276.00, Runloop to $532.56 and Runtime to $63.89. With both CPUs busy for the whole minute, it is $1.33 on Runtime, $2.76 on Daytona and $5.33 on Runloop. Plan fees, storage while stopped, network and free credit are left out.

What survives between sessions?

A suspended Runloop devbox keeps its disk; compute and memory charges stop, and its processes must be restarted when it resumes. Suspend and resume are on the Pro plan. Daytona keeps files and memory when a VM sandbox pauses. A paused Runtime sandbox keeps files, memory and running processes on every sandbox, while you have credit, and wakes on the next request:

Pythonfrom withruntime import Sandboxsbx = Sandbox.create(timeout_seconds=600)sbx.exec("echo state > /workspace/state.txt")sbx.pause()  # memory and files are kept; compute billing stopsagain = Sandbox.connect(sbx.id)again.wake(timeout_seconds=1200)again.extend(600)again.stop()

Which one to pick

  • Daytona, for GPU sandboxes or Windows machines at a flat rate well below Runloop's, or a $200 free start.
  • Runloop, for evaluation and RL rollouts, delivered as a managed product, or for deployment into your own cloud account with the SOC 2, HIPAA and GDPR readiness it states.
  • Runtime, for eval and agent runs at 77% below Daytona's price and 88% below Runloop's, pause and forks that keep memory and processes on every sandbox, and no plan fee.

Runtime Cloud

Runtime costs 77% less than Daytona and 88% less than Runloop for an eval or agent job that waits on a model. 1,000 one-minute runs of a 2 vCPU, 4 GiB sandbox are $2.76 on Daytona, $5.33 on Runloop and $0.64 on Runtime, whose CPU is metered by use at $0.025 a vCPU-hour. Each Runtime sandbox is a Firecracker microVM, and each can pause with memory and running processes. Rates checked 25 October 2026.

Run your eval harness on the free usage first: npx withruntime login sets up the account. The migration guide moves Daytona code across.

Moving to Runtime

Daytona code needs one import changed:

TypeScriptimport { Daytona } from "withruntime/daytona"; // was: from "@daytona/sdk"
Pythonfrom withruntime.daytona import Daytona  # was: from daytona import Daytona

Runloop code is ported through the migration table: a devbox is created with Sandbox.create(), commands run through exec, suspend and resume become pause() and wake(), and shutdown is stop(). npx withruntime compare --from runloop reprices your Runloop usage, and credit you add within 30 days of signing up is matched, up to $1,000 in total. A coding agent can do either port from the one instruction in migration, on a branch and on the free usage. See Runtime vs Daytona and Runtime vs Runloop.

Sources

Daytona and Runloop pricing pages rechecked 25 October 2026; the rest checked 25 October 2026.

Facts on this page were checked on 26 October 2026.

Keep comparing.

100 free hoursin your first 30 days.

of a 1 GB machine

  • No credit card
  • Four sandboxes at once, 2 vCPU and 4 GiB each
  • Then prepaid credit from $10, no plan fee
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Start free, no card