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Every step on the canvas.
The AI agent builder for people who want full control: drag blocks, wire branching and loops, inspect every step’s inputs and outputs — then run it live.
$42.50/mo billed yearly · Cancel anytime · Open source, self-host free
Simulated demo — hover any block to inspect its data, then press Run to watch one execution pass.
For power users
Beyond the chat box. A control surface.
AutoPilot gets you to a working agent fast. Build is where you take the wheel — the same agents, opened up to full visual logic.
Logic
Branching, loops, conditions.
Drag blocks onto the canvas and wire them into real logic — condition branches, loops over lists, parallel paths. If you’ve outgrown trigger-action tools, this is the ceiling coming off.
- Drag-and-drop blocks with typed input/output pins
- Condition branches, loops, and parallel execution
- Webhook and schedule triggers as first-class blocks

Guardrails
Power without the blast radius.
Inspect any step’s live inputs and outputs while a run is in flight. Safe mode simulates external actions while you iterate, drafts recover after a crash, and the builder’s chat assistant helps when you’re stuck.
- Live per-step input/output inspection
- Safe mode, drafts, and crash recovery built in
- Builder chat assistance; save, fork, and share agents
{ "fit": 82, "route": "AE" }Wired into everything
45+ platforms. Zero API keys.
Hundreds of AI models — chat, image, video, speech, transcription, OCR, embeddings — plus the tools your work already lives in. On cloud, credentials are managed for you; MCP support covers anything else.
How it compares
When trigger-action runs out.
| Capability | AutoGPT Build | Zapier-class tools | n8n |
|---|---|---|---|
| Visual canvas with branching & loops | ✓ | limited | ✓ |
| AI-native blocks (hundreds of models built in) | ✓ | add-on | keys |
| Open source & self-hostable | ✓ | — | ✓ |
| One AI that builds and operates the whole agent | ✓ | — | — |
Capabilities as publicly documented, June 2026. Reviewed quarterly.
Better together
Four surfaces, one platform.
Put your first agent to work today.
Billed yearly · Cancel anytime · Compare plans
Or self-host free from GitHub — it’s open source.