BuildkiteYou deserve better CI
vs
Fly.ioLaunch computers for agents, code sandboxes, and your next app.
Comparison · CI/CD · weekly run Nov 3
Buildkite vs Fly.io
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Buildkite is the stronger AI pick in CI/CD: it has a visibility score of 19.5 versus 0 for Fly.io.
Choose Buildkite if…
- You want the brand AI engines rank higher (19.5 vs 0)
- You want a lower entry price ($30 vs $38)
- You need SOC 2 Type II coverage
- Per seat pricing suits your budget better than usage-based
Choose Fly.io if…
- You need SOC 2 Type 2 or HIPAA (BAA pre-signed on HIPAA package) coverage
- Usage-based pricing suits your budget better than per seat
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Buildkite | Fly.io |
|---|---|---|
| Visibility score | 19.5% | 0% |
| Change vs last week | New | New |
| Rank in CI/CD | #5 | #38 |
| Share of voice | 6% | 0% |
| Mentions this run | 37 | 0 |
| Positive in AI answers | 32% | — |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Buildkite 0pp · Fly.io 0pp over 0 weekly runs.
Engine by engine
Buildkite leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
BuildkiteFly.io
Head to head in AI answers
0 engine answers name both brands
0Buildkite ranked higher
0Fly.io ranked higher
Features, pricing & fit
| Dimension | Buildkite | Fly.io |
|---|---|---|
| Pricing model | Per seat | Usage-based |
| Entry price | Free; paid from $30 per seat / mo | Free; paid from $38 / mo |
| Free plan | Yes | Yes |
| Deployment | Hybrid: the control plane is hosted in AWS, and agents run on customer infrastructure or on Buildkite hosted agents | Operated by Fly.io on its own hardware across 18+ regions worldwide, deployed from GitHub or the fly CLI. |
| Compliance | SOC 2 Type II | SOC 2 Type 2, HIPAA (BAA pre-signed on HIPAA package) |
| Support | Community support on the Free plan, Priority email support on the Pro plan, Enterprise support with SLA credits, priority response times and Slack Connect on the Enterprise plan | Community support (free), Paid Standard, Premium and Enterprise support tiers, Dedicated Slack channel on Premium and Enterprise |
| Founded | 2013 | 2017 |
| Headquarters | Melbourne, Australia | Chicago, Illinois, United States |
| Employees | 51–200 | 51–200 |
| Funding | Convertible note | Seed · $136M raised |
| Best for | Engineering teams that want CI to run on their own infrastructure and need it to scale to large build volumes | Developers and teams that want to ship apps, AI agents and code sandboxes without managing infrastructure. |
Plans side by side
Pros and cons
Themes from the AI answers that mention each brand
Buildkite
- Scalable hybrid CI/CD infrastructure with secure agent execution
- Control over build infrastructure while using hosted pipeline management
- Suited to large teams with heavy workloads, monorepos, and high parallelism
- Straightforward pricing
- High-performance managed CI
Fly.io
Profile in progress.
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Buildkite vs Fly.io”, https://slateindex.ai/compare/buildkite-vs-fly-io, data of Nov 3, 2026. Licence: CC BY 4.0.