Simple, Transparent Pricing
Start free. Scale when ready.
5 free diagrams to try. Go Pro for premium AI models and 20 diagrams every month.
Founding member: 20% off for life — first 100 only
Billed annually ($59.88/yr) — 12 months for the price of 5
Free
$0/month
Perfect for students and hobbyists getting started.
- 5 diagrams to try
- 6 standard AI models
- Local device storage
- Community support
- Cloud sync across devices
- Advanced AI models
- Priority support
- Version history
Pro
$4.99/month
For professionals who need the best AI models.
- 20 diagrams / month
- 11 AI models (incl. Opus 4.8, Sonnet 5)
- Cloud sync across devices
- Priority support
- Version history
- Need more? $4.99 per 20-credit top-up
No charge today · Cancel anytime
Enterprise
Custom
Scale your organization with dedicated AI.
- Everything in Pro
- Unlimited teams
- SSO & Directory Sync
- Custom model hosting
- Dedicated account manager
- SLA guarantees
- On-premise deployment
- Custom integrations
- Audit logs
Loved by builders
“Cut my architecture docs from 3 hours to 10 minutes.”
“Diagrams finally keep up with the code. Whole team switched.”
“I sketch systems live in meetings now. Clients think it's magic.”
AI Model Comparison
The Free tier includes capable models from leading providers. Pro unlocks frontier models from Anthropic and Google.
| Model | Free | Pro |
|---|---|---|
Gemini 3 Flash Google | ||
Nemotron 3 Super 120B NVIDIA | ||
Qwen3 Coder Alibaba | ||
Gemma 4 31B Google | ||
GPT-OSS 120B OpenAI | ||
Llama 3.3 70B Meta | ||
Gemini 3.1 Pro Google | ||
Claude Sonnet 5 Anthropic | ||
Claude Opus 4.8 Anthropic | ||
Claude Sonnet 4.6 Anthropic | ||
Claude Opus 4.7 Anthropic |
All plans include end-to-end encryption and automatic backups.
Questions? Contact our support team.