topic Re: Integrating ChatGPT / GPT-based AI into AutoCAD Looking for Advice or Existing Plugins in AutoCAD Forum

Integrating ChatGPT / GPT-based AI into AutoCAD Looking for Advice or Existing Plugins

afloareirazvan — Thu, 17 Jul 2025 12:13:40 GMT

Hello everyone,

I’m exploring ways to integrate ChatGPT or other GPT-based AI tools directly into AutoCAD via an extension, plugin, or add-on.

My goal is to boost efficiency in my CAD workflows using AI/ML, whether that's for automation, design suggestions, code generation (AutoLISP/VBA/.NET), documentation, or intelligent prompts.

I’m open to:

Existing plugins or APIs that already enable GPT-AI integration in AutoCAD
Custom development advice (AutoLISP, .NET, Python, etc.) for connecting ChatGPT to AutoCAD
Machine learning use cases in CAD workflows (design analysis, drafting assistance, etc.)
General productivity tips using AI in civil/infrastructure design

I’d really appreciate any advice, sample projects, or insights from anyone who’s tried something similar.

Thank you!

Re: Integrating ChatGPT / GPT-based AI into AutoCAD Looking for Advice or Existing Plugins

RSomppi — Thu, 17 Jul 2025 12:48:26 GMT

@afloareirazvan wrote:
I’m exploring ways to integrate ChatGPT or other GPT-based AI tools directly into AutoCAD via an extension, plugin, or add-on.

What have you found so far?

Re: Integrating ChatGPT / GPT-based AI into AutoCAD Looking for Advice or Existing Plugins

pendean — Thu, 17 Jul 2025 13:01:06 GMT

@afloareirazvan good luck with that: you're about 10-years too early if you are just an end user and not inside/working at "chatgpt" and Autodesk. Apply to work there, it's where this is all happening:

https://www.autodesk.com/careers/overview

https://openai.com/careers/

In the meantime... don't dismiss CLAUDE, GEMINI, COPILOT and other AI offerings not publicly discussed in mass-media that are out there too: brand-names are not always the best option for specialty needs at the end of the day.

Re: Integrating ChatGPT / GPT-based AI into AutoCAD Looking for Advice or Existing Plugins

afloareirazvan — Fri, 18 Jul 2025 16:09:31 GMT

I've actually tried CLAUDE, GEMINI, and COPILOT and am currently focused on integrating AI into my workflow in a customized and specialized way, trained specifically on my processes.

My current approach and goals:

I'm exploring GPT-based models (like ChatGPT) to work alongside AutoCAD for:

Code generation (AutoLISP, VBA, .NET)
Smart drafting assistants
Automated documentation
Design logic support (e.g., rule-based validation, layer structuring, etc.)

Why I do not rely on general AI out of the box?

Generic models are powerful, but often lack contextual awareness of CAD standards, infrastructure norms, or workflow constraints in civil/public projects.
I see more value in fine-tuned assistants that understand the structure of my drawings, tags, and even naming conventions.

What I'm looking for:

Real-world examples or tools (plugins/APIs) integrating GPT or LLMs into AutoCAD directly
Best practices in connecting GPT via AutoLISP, .NET, or Python
Ideas on embedding local project knowledge into LLM prompts
Ways to optimize productivity in CAD through AI-driven scripting or suggestions

If anyone here has experimented with:

Prompt templates for drawing logic
Using ChatGPT to generate or debug LISP routines
Embedding metadata from drawings to enrich AI prompts

...I'd love to connect and exchange ideas.

Re: Integrating ChatGPT / GPT-based AI into AutoCAD Looking for Advice or Existing Plugins

afloareirazvan — Fri, 18 Jul 2025 16:12:03 GMT

What I’ve Found So Far

Scripting Interfaces for AI Integration

AutoLISP: Ideal for automating repetitive CAD tasks; easy to generate and test code from AI prompts.
.NET API (C#/VB.NET): Enables deeper plugin development and custom commands inside AutoCAD.
Python (via pyautocad or COM interfaces): Allows external scripting and communication between AutoCAD and APIs like OpenAI.

Tools and Libraries Used

OpenAI API: For generating code (AutoLISP, VBA, .NET), documentation, and intelligent prompts.
pyautocad: A Python library to control AutoCAD through COM, useful for connecting CAD logic to AI-generated instructions.
ChatGPT: Used manually for drafting assistance, generating macros, or validating code logic.

Experimental Methods

Using GPT to generate AutoLISP scripts from natural language prompts.
Python scripts that:

Extract drawing data (e.g., block names, attributes, layer structures).
Send the data to GPT for suggestions or logic checks.
Return draft scripts or tag instructions for implementation.

Prompt chaining for common CAD workflows (e.g., automating drawing setup, annotation generation, or dimensioning logic).

Next Steps I’m Exploring

Building a lightweight GPT-based assistant that understands:

My project templates
CAD standards and layer naming conventions
Drawing metadata and workflows

Training or fine-tuning models on internal project data (to avoid relying on general-purpose responses).

Re: Integrating ChatGPT / GPT-based AI into AutoCAD Looking for Advice or Existing Plugins

joseguia — Fri, 20 Feb 2026 12:34:12 GMT

Did you ever make any progress on this ?

I spun off a personal project recently to do something similar. I started by creating the framework for a basic set of instructions, think - chatbox input you say, move all lines from layer this to that, and what commands it would need. etc . so I created a framework of basic functions and utilities, and the natural language query prompts just daisy chain those together and run. Pretty basic, feels like magic. I was adding the LISP portion last week, for more advanced operations and just today thought .. hmm .. wonder if anyone else is doing this yet.