13x vs Windsurf
AI-native IDE built around the Cascade agent flow (formerly Codeium's editor).
13x is a local-first control workspace that runs your coding agents in parallel — with named rigs, a codebase map and live pulse. Here is how the two compare.
Windsurf is a strong AI-native editor for one focused session. Pick 13x when your workflow is many agents at once — fully local, with rigs and a codebase map you control. Use Windsurf to edit; use 13x to command a fleet.
| feature | 13x | Windsurf |
|---|---|---|
| Parallel agent support | ✓ | Cascade (single) |
| Local-first (no cloud) | ✓ | — |
| Codebase map / context packets | ✓ | Cloud index |
| Terminal grid | ✓ | — |
| Named rigs (save setups) | ✓ | — |
| Session pulse monitoring | ✓ | — |
| Telemetry-free | ✓ | Opt-out |
| Pricing model | Free · €49/mo · from €99 lifetime | Free · $15/mo Pro |
✓ supported · — not supported · scroll horizontally on small screens.
Windsurf is great for
- Clean, AI-native editor with the Cascade agentic flow
- Strong whole-codebase awareness inside the editor
- Approachable UX for agent-assisted editing
13x is better when
- Cloud-indexed and editor-bound — not local-first or agent-agnostic
- One Cascade session at a time, no parallel-agent grid
- Opt-out telemetry; no named rigs or pulse monitoring
If you're one Cascade session is not enough for the task
13x, because 13x runs many agents in parallel, each in its own slot.
If you're you need code and index to stay on your machine
13x, because 13x is local-first with no cloud index.
If you're you switch between repos all day
13x, because named rigs reload the exact agent layout per project.
run your agents in one local grid.
Launch a rig, map your codebase, send less context and watch every session's pulse — all on your machine.