CapabilitiesTrials and free tiers
Ongoing free tier
Something keeps working for free every month, not only at the start.
Short answer: 3 of 16 providers offer it fully: InstaBox, Runtime and Tensorlake. With a catch: Modal, Morph and Vercel Sandbox. Checked 29 October 2026.
Who offers it
Part of Trials and free tiers, which explains why it matters.
Fully: InstaBox, Runtime and Tensorlake. With a catch: Modal, Morph and Vercel Sandbox. Not at all: Agent 37, Blaxel, Boat, boxd, Cloudflare Sandbox, Daytona, E2B, Lizard, Sandboxer and Sprites.
The free machine pauses after 30 minutes idle and cannot run more than 8 hours at a time.
pricing-page “1 machine, 4 vCPU / 8 GiB” Source
An account that never pays gets the free hours once, across its first 30 days.
docs-confirmed “100 free hours of a 1 GB machine” Source
The free machine is limited to 1 core, 1 GB of memory and 2 hours at a time.
docs-confirmed “Tensorlake Cloud has a free tier” Source
The catch: Thirty dollars of free compute returns each month, but a payment method must be on file before anything runs.
pricing-page “$30 / month free credits” Source
The catch: The signup page promises 300 free hours a month, but the pricing page shows no free compute and asks you to buy units.
Contradiction between two Morph pages; see notes.
docs-confirmed “Once you have your invite, our $0/month Developer Plan provides 300 free compute hours per month” Source
The catch: The free Hobby plan is limited to personal projects and stops creating sandboxes when its allowance runs out.
docs-confirmed “the Hobby plan restricts users to non-commercial, personal use only.” Source
Note: There is no monthly free allowance; the only free usage is a one-off $5 credit.
docs-confirmed “Add a card from the billing page (nothing is charged) and your workspace gets a one-time $5 credit” Source
Note: Free usage is a one-off promotional credit, not something that returns each month.
inferred “Up to $200 in free credits” Source
Note: There is no free tier; the only free usage is a seven-day trial that needs a card.
docs-confirmed “There is no free tier.” Source
Note: Free usage is a one-off credit that needs a card, not a monthly allowance.
inferred “€30 of credits when you add a payment method.” Source
Note: Sandboxes only run on the paid Workers plan.
docs-confirmed “Available on Workers Paid plan” Source
Note: The $200 is a one-time credit, not something that returns every month.
inferred “$200 in free compute included.” Source
Note: The $100 is a one-time credit, not a monthly allowance.
inferred “One-time $100 in usage credits.” Source
Note: There is no free tier, only a seven-day trial that needs a card.
docs-confirmed “Pro starts with a 7-day trial that includes $5 of usage.” Source
Note: There is no free tier, only a seven-day trial that becomes a $20 plan.
docs-confirmed “When the 7 days end, the trial becomes the $20/month plan and your card is charged.” Source
Note: Free usage is a one-time $30 credit, not a monthly allowance.
docs-confirmed “Each user can grant one $30 trial credit, and each org can receive at most one.” Source
Related
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