Zed vs Fly.io
High-performance code editor, built in Rust, with AI + collaboration
vs. Run your app close to users, globally
Pricing tiers
Zed
Free
$0. Full editor, extensions, collaboration. AI assistant with BYO API key or limited free tier.
Free
Zed Pro (trial)
$0 limited trial. Zed-hosted AI with Claude/GPT, 150 interactions/mo on Sonnet-tier models.
$0 base (usage-based)
BYO API Key
$0 for Zed. Full AI assistant with your own Claude / GPT / Gemini / Ollama keys — passthrough cost only.
$0 base (usage-based)
Zed Pro
$10/user/mo. 500 Claude Sonnet interactions + unlimited edit-predictions, priority routing.
$10/mo
Zed Business
$20/user/mo. 1,000+ Claude Sonnet interactions, org-level billing, priority support.
$20/mo
Fly.io
Pay-as-you-go
No monthly fee. Machines billed per second. Free allocations: ~3 small shared machines + 3 GB volumes.
$0 base (usage-based)
Shared CPU 1x — 256 MB
Entry VM. 1 shared vCPU, 256 MB RAM. ~$2.02/month continuously on.
$2/mo
Performance 1x — 2 GB
Dedicated 1 vCPU, 2 GB RAM.
$32/mo
Reservation — Shared (1 yr)
$36/year for $5/mo credit (40% savings).
$36/mo
Shared CPU 8x — 16 GB
8 shared vCPU, 16 GB RAM.
$89/mo
Performance 16x — 128 GB
Dedicated 16 vCPU, 128 GB RAM.
$1014/mo
Enterprise
Custom. Dedicated capacity, SLA.
Custom
Free-tier quotas head-to-head
Comparing free on Zed vs pay-as-you-go on Fly.io.
| Metric | Zed | Fly.io |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
Zed · 20 features
- Agent Panel — Multi-step AI tasks with tool use.
- AI Assistant — Inline edits + agent panel.
- Channels (Multiplayer) — Real-time shared editing.
- Editor — Core Rust-based editor.
- Edit Prediction (Zeta) — Next-edit prediction model.
- Extensions (WASM) — WASM-based extension system.
- GitHub Copilot Support — Works alongside Copilot subscription.
- Git Integration — Diff view, branches, blame.
- Integrated Terminal — Built-in shell.
- LSP Support — Works with all LSP language servers.
- MCP Support — Connect to any MCP server.
- Multibuffer — Edit multiple files in one view.
- Remote Dev (SSH) — Edit remote filesystems natively.
- Screen Share — Share editor view live.
- Sub-16ms Latency — GPU-accelerated rendering.
- Tasks — Configurable build/test/run tasks.
- Themes — Built-in + community themes.
- Tree-sitter Syntax — Incremental parsing for instant highlighting.
- Vim Mode — First-class Vim/Helix bindings.
- Voice Channels — Talk while pair programming.
Fly.io · 14 features
- Auto Stop/Start — Machines auto-stop when idle, start on request (like scale-to-zero).
- Certs — Let's Encrypt + wildcard certs managed.
- Fly GPU — A100/L40S/A10 on-demand GPU machines.
- Fly Kubernetes (FKS) — Managed Kubernetes on Fly machines.
- Fly Machines — Firecracker microVMs. Start in <1s. Run any Docker image.
- Fly Postgres — Managed Postgres via Supabase partnership (2024). Also legacy self-run Postgres …
- fly-replay headers — Route request to another region at app level.
- Fly Volumes — Persistent SSD attached to a Machine. Encrypted at rest.
- Global Anycast — Single IP routes to the closest region automatically.
- LiteFS — Distributed SQLite with primary/replica across regions.
- Private Networks — 6PN WireGuard mesh. Connect machines across regions privately.
- Secrets — Encrypted env vars propagated to all regions.
- Tigris (partner) — S3-compatible storage for Fly apps. By partner.
- Upstash Redis (partner) — Managed Redis via Upstash.
Developer interfaces
| Kind | Zed | Fly.io |
|---|---|---|
| CLI | zed CLI (shell integration) | flyctl CLI |
| REST | — | Machines API |
| GRAPHQL | — | Fly GraphQL API |
| OTHER | Command Palette (cmd+shift+p), Multiplayer / Channels, Remote Development (SSH), Zed AI Assistant, Zed Editor, Zed Extensions | Fly Postgres (wire) |
Staxly is an independent catalog of developer platforms. Some links to Zed and Fly.io may be affiliate links — Staxly may earn a commission if you sign up through them, at no extra cost to you. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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