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Bring your own key
Use your own Anthropic API key. You control access and spend — no STRIX markup, no lock-in.
AI
AI that speaks
AI that speaks
structural engineering.
STRIX's AI doesn't just autocomplete text — it builds models, explains code provisions and reviews your structure, all with your own API key and your data kept on your machine.
Bring your own Anthropic key
Local-first — your data stays on your machine
Modeling
Model from a sentence
Describe the structure in plain language and STRIX drafts nodes, members and loads for you — turning a paragraph of intent into an editable 3D model.
- "5-story RC frame, 6 m column spacing" generates the frame
- Add, move and load members by command — no menu hunting
- Every AI edit is a normal, editable model change you can undo
- Auto model routing: a fast model for simple edits, an accurate one for complex ones
🤖Screenshot / GIF slot — replaced via admin upload
Chatbot
KDS answers, in context
A built-in chatbot explains KDS structural design provisions in real time, so the basis for a decision is one question away — without leaving the app.
- Ask about KDS / KBC / KCI provisions and get clear explanations
- Stay in your model — no switching to a browser or PDF
- Pairs with Result DNA: understand both the number and the clause
- Answers reflect the standards STRIX actually designs to
💬Screenshot / GIF slot — replaced via admin upload
Review
A second pair of eyes, before you run
Before analysis, the AI structural advisor inspects the model for modeling errors and weak points and suggests how to fix them — catching problems while they are still cheap.
- Flags modeling errors and anomalous configurations pre-run
- Highlights vulnerable members and weak points
- Suggests concrete fixes, not just warnings
- Runs on demand — review whenever you want a sanity check
🔬Screenshot / GIF slot — replaced via admin upload
Privacy & control
Your key. Your data. Your machine.
AI is opt-in and transparent — you bring the key, you see the cost, and your project is never uploaded to us.
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Local-first
The AI reads your model on your machine and talks directly to the provider. Your project files are never sent to STRIX servers.
✅
Opt-in, always
AI features stay off until you add a key. Nothing runs, and nothing is sent, unless you turn it on.
Models
The right model for each task
STRIX uses Anthropic's Claude models and can route automatically — fast and economical for simple edits, accurate for complex modeling and analysis.
claude-haiku-4-5
Claude Haiku 4.5
Fast · low cost — simple commands: copy, move, load input.
claude-sonnet-4-6
Claude Sonnet 4.6
Accurate · high performance — complex commands and structural modeling.
Auto
Routes simple commands to Haiku for speed and complex modeling to Sonnet for accuracy.
Model availability follows your Anthropic account. STRIX connects with the key you provide.