Buildkite vs Fly.io
Compare Buildkite and Fly.io on features, pricing, and buyer fit using the same researched criteria.
Buildkite
CI/CD with self-hosted + hosted agents — not a git host. Free; Pro $30/active user/mo; Enterprise custom; 30-day all-access trial. Does not outrank GitHub 9.1.
Best for
- • Teams that want specialist CI/CD with self-hosted agents against an existing git remote
- • Buyers comparing Buildkite Pro $30 to CircleCI Performance $15 and GitHub Actions minutes
- • Orgs that will not move source control in order to buy CI
Starting from $30.00/user/mo
Free plan available
VS
Our verdict
No universal winner. Choose based on which criteria matter most for your team.
Buildkite is better for
- ✓ Free plan
- ✓ Security & admin
Fly.io is better for
- ✓ Starting pricing
Tie
- • Integrations
Choose Buildkite if: Teams that want specialist CI/CD with self-hosted agents against an existing git remote
Choose Fly.io if: Teams that want PAYG microVM/app hosting close to users
Fly.io
Cloud PaaS / microVM app platform — PAYG; shared-cpu-1x from ~$1.94/mo in lower-cost regions. Support Standard $29/mo is support, not hosting. Does not outrank Render 7.9.
Best for
- • Teams that want PAYG microVM/app hosting close to users
- • Buyers comparing Fly.io $1.94 shared-cpu-1x to Render Pro $25 + compute
- • Orgs that will not treat $29 Support as the hosting SKU
Starting from $1.94/user/mo
No free plan
Evidence & transparency
Sources and research process behind this comparison.
Sources
6
Criteria
5
Screenshots
2
Sources consulted
| Title | Product | Type |
|---|---|---|
| Buildkite — Official Site | Buildkite | official-product-page |
| Buildkite Pricing | Buildkite | official-pricing-page |
| Buildkite pricing | Buildkite | official-product-page |
| Fly.io — Official Site | Fly.io | official-product-page |
| Fly.io Pricing | Fly.io | official-pricing-page |
| Fly.io pricing | Fly.io | official-product-page |
Methodology steps
- 1Collect first-party product and pricing evidence
- 2Map both products to the same category criteria
- 3Record criterion outcomes with confidence and sources
- 4Publish only when editorial gates allow indexing
Methodology version 1.0.0.
Affiliate relationships never change comparison outcomes. We evaluate both products on the same criteria and allow ties when evidence does not support a universal winner.
Read full methodology →Some visit links may be affiliate links — we may earn a commission at no extra cost to you. Comparison outcomes are never based on commission.