Fly.io vs GitBook: what each really costs
Team size
Billing
Fly.io
No plan for this billing option
No paid plan to compare for this billing option.
GitBook
No plan for this billing option
No paid plan to compare for this billing option.
| 10 people | Fly.io | GitBook |
|---|---|---|
| Entry paid plan | No plan for this billing option | No plan for this billing option |
| Vendor price | ||
| Monthly cost | ||
| Annual cost | ||
| Per user / year | ||
| Billing commitment | Not recorded | Not recorded |
| Minimum seats | None stated | None stated |
| Free plan | No free plan listed | Yes |
| Free trial | Not stated | Not stated |
Calculated by SpecEntry from official vendor prices. Taxes and optional add-ons are not included. Open each product page for every plan and the official source.
Fly.io vs GitBook: features
Key features as each vendor lists them. A feature missing from a list does not mean the product lacks it.
Fly.io
- Fly MachinesHardware-virtualized containers that launch instantly and run on demand.
- Isolated sandboxesHardware-isolated sandboxes for running untrusted or AI-generated code.
- Sprites environmentsEach Sprite is a self-contained environment ready in under a second.
- Checkpoint and restoreCheckpoint an entire environment and restore it after breaking changes.
- NVMe and object storageLocal NVMe for low latency plus global durable object storage.
- Agent-ready CLIs and MCPCLIs and MCP servers designed to be driven by AI agents.
- KVM hardware isolationApps run KVM hardware-isolated on Fly.io's own hardware.
Source:fly.io ·
GitBook
- Git SyncSync your repo, then branch, review and merge docs like a PR.
- Stale content detectionScans docs for outdated content and flags it for review.
- AI AssistantUsers can ask your docs questions and get personalized support.
- AI InsightsTracks where users get stuck and shows which content to fix first.
- Roles and permissionsTiered roles and permissions control who can view and edit content.
- Authenticated accessOnly chosen customers, team members or authorized users can view your docs.
- SAML SSO and complianceSOC 2, ISO 27001 and GDPR compliant, with SAML-based SSO.
Source:gitbook.com ·
Fly.io vs GitBook pricing questions
How much do Fly.io and GitBook cost?
Fly.io paid plans start at $2.19 per month ($0.0030/hr), billed per second (Machine shared-cpu-1x 256MB). GitBook paid plans start at $65 per site per month, billed annually (Essential).
Is Fly.io or GitBook cheaper for 5 users?
Fly.io is cheaper for 5 users: $348 per year on Standard support, against $780 per year for GitBook on Essential. That is $432 less per year, before tax.
Is Fly.io or GitBook cheaper for 10 users?
Fly.io is cheaper for 10 users: $348 per year on Standard support, against $780 per year for GitBook on Essential. That is $432 less per year, before tax.
Is Fly.io or GitBook cheaper for 25 users?
Fly.io is cheaper for 25 users: $348 per year on Standard support, against $780 per year for GitBook on Essential. That is $432 less per year, before tax.
Do Fly.io and GitBook have a free plan?
GitBook lists a free plan; Fly.io does not list one on its official pricing.