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Agent Sandboxes · Reviewed 24 Oct 2026

Fly.io Sprites

Linux computers for AI agents with persistent checkpoints and usage-based pricing.

free tier · fly.io ↗

Paid against free › Agent Sandboxes › Fly.io Sprites

Fly.io Sprites at a glance
840.9KEstimated total trafficModeled monthly visits21.6KRanking keywordsPublic search sample98/100Technical health15 pages checked14.1KReferring domainsLive backlink summary

Overview

01

Summary

The useful answer before the supporting detail.

Fly.io Sprites are full Linux computers designed for AI agents, offering persistence, checkpointing, and secure connectors to external services S54. Developers building AI agents use Sprites to get a scalable, disposable compute environment that integrates with their workflows S54. The main practical value is usage-based billing, where you pay only for actual CPU and memory consumption, enabling cost efficiency for agent workloads S3.

02

Product identity and positioning

Name, category, positioning, audience, and first-party claims.

  • Identity: Fly.io Sprites, a cloud service providing Linux computers for AI agents S54.
  • Core purpose: Solves the need for persistent, disposable compute environments that can checkpoint and restore state during agent runs S54.
  • Intended users: Developers building and running AI agents that require reliable execution and external service access S54.
  • Product scope: A standalone product within Fly.io, offering Sprite creation, management, and connectors; not a full platform S54.
  • Positioning: Positioned as "Linux computers for agents," emphasizing persistence, security, and ease of management S54.
  • Claimed distinction: Distinctive for combining persistence, checkpointing, and connector-based security in one agent-focused solution S54.
03

Use cases and audiences

Who the product serves and the jobs it is designed to handle.

AudiencePractical use case
AI agent developersRun agents that need persistent, disposable Linux environments with checkpointing S54.
Developers needing external service integrationConnect agents to models, Slack, GitHub securely via connectors without exposing keys S54.
Teams building bursty workloadsUse Sprites for webhook handlers or event-driven pipelines that require a persistent process S3.

Features

09

Features and capabilities

Core functions and evidence-backed product capabilities.

CapabilityWhat it does
Persistent Linux computersProvides full Linux machines that remain active and can be reused across agent sessions S54.
Checkpoint and restoreAllows saving and restoring the environment state from within the Sprite via CLI or API S54.
Secure connectorsConnects to external services without exposing API keys; the connector handles outbound calls S54.
Connection testingLets you verify connector credentials before relying on them during agent runs S54.
Management APIs and SDKsOffers CLI, REST API, and SDKs for JavaScript, Go, Elixir, Python to create and manage Sprites S54.
HTTPS URL per SpriteEach Sprite is accessible via a unique HTTPS URL S54.
Idle managementControls when a Sprite sleeps based on activity like HTTP requests, TCP connections, or tasks S54.
10

Integrations and ecosystem

Connected products, exports, APIs, and workflow compatibility.

Integration or interfaceTypeWhat it enables
ConnectorsIntegrationSecure outbound calls to services like AI synthesis, Slack, GitHub S54.
REST APIAPIManage Sprites programmatically, e.g., create, exec S54.
SDKsSDKJavaScript, Go, Elixir, Python client libraries for Sprite management S54.
CLICLIManage Sprites and checkpoints via command line S54.

Pricing

11

Pricing and plans

Published plans, free access, trials, credits, and pricing limitations.

Plan or offerVerified price and billingIncludedLimits
Sprites (Usage-based)$0.0385 per CPU-hour and $0.021875 per GB-hour of memory, billed hourly only while running S66$30 trial credit for new organizations S54Hot storage $0.50/GB-month while awake; cold storage $0.02/GB-month; bandwidth not metered; no plans or tiers S66
Sprites (Plans)Not establishedPlans bundle an allowance of CPU-hours, RAM GB-hours, and storage GB S54Creation rate tiered: 10 sprites/minute on pay-as-you-go, rising to 240/minute on Mythic S54

Competition

12

Competitive landscape

Domains competing for the same organic search demand.

Sampled competitors

CompetitorFirst-page appearancesSampled queriesAverage positionQueries observed
dji.com214fly apps
youtube.com214.5fly io
docs.fly.io225.5fly io, fly apps
engineering.deptagency.com112fly io
apps.apple.com112fly apps
withorb.com114fly io
faa.gov114fly apps
kuberns.com115fly io
play.google.com115fly apps
techcrunch.com116fly io

Website intelligence — Collected evidence

Customers, testimonials, and first-party review claims

No supporting public-page evidence was collected for this category.

Independent review sources discovered

No links to supported independent review platforms were discovered on the collected pages.

14

AI visibility

Measured ChatGPT and Google AI mentions with cited sources.

AI-assistant referral traffic

  • Estimated current generative-AI referral share: 2.1%
MonthSource
—All AI assistants
—All AI assistants
—All AI assistants

Website intelligence — Collected evidence

Site-stated AI capabilities

Page typeEvidenceSource
integrationsAI agents: refetch this URL with an Accept: text/markdown header. For broader Fly.io reference material, fetch https://fly.io/llms.txt.https://fly.io/
integrationsSpin up hardware-isolated sandboxes for running untrusted or AI-generated code in complete safety. Every Sprite is a self-contained environment, ready for action in under a second. Checkpoint your entire environment, run anything, and restore if you break something. Pay only for actual CPU and memory consumption, down to the second.https://fly.io/

These are first-party product claims, not independent measurements of AI-search visibility.

15

Marketing opportunities

Actions calculated directly from the collected evidence.

OpportunityRecommended actionEvidence
Competitor gapReview the sampled queries where dji.com appears.2 first-page appearances across fly apps

Website intelligence — Collected evidence

Website evidence gaps

  • features: no usable public page was collected; verify whether the site publishes this evidence.
  • customers: no usable public page was collected; verify whether the site publishes this evidence.
  • reviews: no usable public page was collected; verify whether the site publishes this evidence.
  • changes: no usable public page was collected; verify whether the site publishes this evidence.
  • identity: no usable public page was collected; verify whether the site publishes this evidence.
  • technical: no usable public page was collected; verify whether the site publishes this evidence.

Trust and proof

16

Customers, proof, and reviews

Published proof, customer signals, and review evidence.

Independent reviews

PlatformPageHow it was foundNote
RightAIChoiceFly.io: pricing, status & alternativesGrounded web search82 mentions across 5 sources (Hacker News, YouTube, Product Hunt, Bluesky, Lemmy) · researched Jul 26, 2026. ... sandboxes were buggy early on, losing data and needing support. - − ... . - − New Sprites focus may divert resources from traditional PaaS

Customer proof

Proof typeNamed customer or sourceEvidence
Case studybreadnet.co.uktestimonial — Author: @kurt Post date: April 26, 2022, 11:40pm UTC Are you more interested in what neat things devs are doing with Fly.io, or people that prove it’s a reliable place to deploy important work? (Customer success stories)

Independent mentions

  • Ask HN: What's Your Experience of Fly.io? / Hacker News — I host my side project 0 on Fly.io using their "not for production use" LiteFS distributed SQLite database. I'm currently still in the free-tier. But I'd be perfectly happy to pay for the product. It's super easy to use, and the happy path of the cli tool is well designed. The various configs for the fly.toml file could be better documented, as could some of the more advanced cli commands like sftp and ssh into your machine. I think fly really shines when you design your app intending to run it
  • Is FlyIO the new Heroku for indie founders? - Indie Hackers — ## The downside of Fly.io: Downtime ... I've been seeing HackerNews threads on Fly.io downtime for their VM servers and Postgres databases. I've also experienced the same thing for my VMs. The status page was showing that everything is green but my site was unreachable for an hour or two. This doesn't really make a difference since I have mostly hobby projects, but it will make a difference if you have a site where you need 99.99% downtime. So this is one thing to have in mind after you deploy &
  • I've migrated several services from GCP to Fly.io, and I've been very happy with... / Hacker News — My biggest complaint has been with outages, 0, 1, 2 but that's gotten better. The original architecture meant that larger servers could evict other users' running servers, which they admitted was a bad idea. 2 I'm not
  • I have 4 apps running on fly.io for most of this year and can recommend them... — 2 are elixir apps that have been created on fly, 1 was an elixir app I had running on heroku, and 1 was ... I recently migrated. I used their heroku migrator and it worked pretty much automatically. I had a few steps to follow to move the DB, but their
  • Migrating from AWS to Fly.io / Hacker News — Migrating from AWS to Fly.io / Hacker News Migrating from AWS to Fly.io (terrateam.io) 252 points by sausagefeet on Jan 3, 2023 / hide / past / favorite / 179 comments ... migrated several services from GCP to Fly.io, and I've been very happy with Fly.

External links were grounded in one live web search. Search snippets are leads, not independently scraped page content; rejected links remain available in Review evidence.

17

Company, security, and trust

Ownership, policies, security signals, and public trust evidence.

SignalFindingSource
Company and ownershipUp to $15,000 in credit for eligible early-stage companies, plus a direct line to our team.source
Contact and supportWe’re a real company – we hope that goes without saying – and this is a real, according-to-Hoyle full-time job with health care for US employees, flexible vacation time, hardware/phone allowances, the standard stuff. Thesource
Legal and privacySOC 2 Type II DPA available BAA pre-signedsource
Security and complianceHIPAA package at $99/mo, with the BAA pre-signed so you are not waiting on legal to start building.source
Uptime and status pageWhat should I look for in a Node.js hosting provider? A good Node.js hosting provider offers native runtime support, easy deployment via Git or CLI, environment variable management, auto-scaling, and reliable uptime backsource
Domain registered2004-07-15—
Domain expires2033-07-15—

Every trust signal above is backed by a collected page or a registration record.

18

Documentation and product updates

Help resources, product guidance, and visible changes over time.

Resource or updateTypeWhat is availableDate or freshness
Node.js Hosting: How to Pick the Right Platform for Your App · LearnGuideGuides, comparisons, pricing breakdowns, use cases, and how-to articles. (source)Not dated
Livebook is a secret weapon for documentation · The Fly BlogDocumentationDocumentation and guides from the team at Fly.io. (source)Not dated
Node.js Hosting: How to Pick the Right Platform for Your App · LearnSupportPublic contact and support channel. (source)Not dated
AI Sandbox Pricing, Compared: What Agent Sandboxes Cost and How the Billing Models Differ · LearnProduct updateProduct update is publicly available. (source)June 2026

Not found in the collected public sources: public roadmap, changelog or release notes, status page, separate help center or knowledge base.

Technical

19

Technical and delivery signals

Delivery model, platforms, API, data ownership, reliability claims and release activity.

SignalFindingSource
Delivery modelCloud-based service; Sprites run as managed Linux computers S54.S54
Platforms and appsAccessible via web interface and API; supports Linux-based environments S54.S54
API and extensibilityProvides REST API and SDKs for JavaScript, Go, Elixir, Python S54.S54
Data ownership and exportNot published on the collected pages.—
Performance and reliability claimsNot established; no specific uptime or performance claims in sources.—
Release activityNot established; no changelog or release notes collected.—
20

Measured infrastructure

Domain, certificate, and hosting signals, measured directly.

SignalFinding
TLS certificateLet's Encrypt, valid, expires 2026-12-01
Security headersCSP, X-Content-Type-Options, Referrer-Policy
Headers not servedHSTS, X-Frame-Options
Server headerFly/331937a822 (2026-10-23)
Mail handled byaspmx.l.google.com, alt1.aspmx.l.google.com
Nameserversns1970.hosted.flydns.net, ns479.hosted.flydns.net

Not measurable: wayback: rate limited by archive.org, ladder stopped after 1 probe(s). A gap here means the lookup was unavailable, not that the finding is negative.

21

Technical site audit

A bounded multi-page crawl with page-level issues and URLs.

Scout — Bounded technical crawl

  • Pages crawled: 15 of 15 maximum
  • Technical health: 98/100
  • Critical issues: 0
  • Warnings: 4
  • Notices: 3

Issues

SeverityIssueValueAffected URL
warningPage should have one primary H117https://fly.io/customer-stories/
noticeMeta description length should be reviewed43https://fly.io/blog/
warningPage should have one primary H120https://fly.io/blog/
warningPage should have one primary H111https://fly.io/sprites-blog/
warningTitle length should be reviewed9https://fly.io/infra-log/
noticeMeta description length should be reviewed49https://fly.io/infra-log/
noticeLow visible word count44https://fly.io/app/sign-in

Crawled pages

StatusTitleH1sWordsResponseURL
200Fly.io \Deploy apps and agents on fast, hardware-isolated VMs1778114 ms
200Fly Machines · Fly135228 mshttps://fly.io/machines/
200Sprites \Linux computers for agents12209106 ms
200Managed Postgres · Fly1125784 mshttps://fly.io/mpg/
200Networking · Fly165396 mshttps://fly.io/networking/
200Autoscaling · Fly155428 mshttps://fly.io/autoscaling/
200Zero Downtime Deploys · Fly155538 mshttps://fly.io/zero-downtime-deploys/
200Granular Routing · Fly154835 mshttps://fly.io/granular-routing/
200Monitoring · Fly146432 mshttps://fly.io/monitoring/
200Customer Stories171123267 mshttps://fly.io/customer-stories/
200Pricing · Fly186529 mshttps://fly.io/pricing/
200The Fly Blog2011794144 mshttps://fly.io/blog/
200The Sprites Blog11570139 mshttps://fly.io/sprites-blog/
200Infra Log157365349 mshttps://fly.io/infra-log/
200Sign in to Your Account · Fly144275 mshttps://fly.io/app/sign-in

This is a bounded Scout crawl. Core Web Vitals and Lighthouse scores are not claimed unless a dedicated performance audit is connected.

22

Search Console and Analytics

First-party search and behavioral data connection state.

Modeled acquisition channels

ChannelEstimated share
direct69.6%
search12.8%
search organic12.6%
search paid0.3%
social6.2%
social organic3.7%
social paid2.4%
referrals4.9%
paid referrals1.6%
mail2.8%
gen ai2.1%
affiliate0.0%
other0.0%

First-party connections

IntegrationStatusData available after connection
Google Search ConsoleNot connectedClicks, impressions, CTR, average position, queries, pages, countries, and devices
Google AnalyticsNot connectedOrganic sessions, engagement, landing pages, conversions, geography, and devices

No first-party Search Console or Analytics numbers are shown until the site owner authorizes the corresponding Google account. Scout traffic model values above are modeled estimates, not private analytics totals.

Limits and method

23

Limitations and open questions

Known constraints and missing evidence from the collected pages.

The collected sources focus on the Sprites product and general Node.js hosting, with limited detail on customer success metrics or independent reviews. No direct competitors are named by the site. Pricing plans and allowances are partially documented, but specifics like monthly plan costs and included hours are not fully specified. The relationship to Fly.io's broader hosting offerings is mentioned but not deeply explored.

24

Sources, method, and limitations

Evidence inventory, collection method, provider use, and constraints.

This report is based on 15 collected pages from fly.io, including product pages, pricing, documentation, and an external proof search. The static and browser rendering collectors completed successfully, providing both HTML and rendered content. The external proof search used a web search but did not verify specific claims. Limitations include lack of independent customer reviews and incomplete pricing details for plans.

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