New Update Available - Sept. 29th 2026
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Write VEX with confidence

A Houdini-native VEX assistant that helps you generate, refactor, explain, and fix VEX code inside your SOP workflow β€” with transparency and control, all without leaving your scene.

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Only $4.50/month (6$/month) Β· ~300-450 prompts/month

Launch offer: 25% off
Lock in your price for as long as your subscription stays active.
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Example project and installation guide

πŸ“¦ Example Projects

Download a simple Example file showcasing some of VEXpert's capabilities.

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πŸ”§ Installation Guide

Simple step-by-step video showing how to install and set up VEXpert in minutes.

View guide β†’

Everything You Need

VEX assistance informed by your geometry's attributes and optional viewport screenshots.

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Generate VEX from a description

Describe what you want to achieve and get editable VEX using context from your geometry. Optionally attach a viewport image to Generate and Modify requests.

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Optimize & Refactor

Get suggestions for simplifying and improving existing wrangles: better functions, smarter loops, and SIMD-safe operations.

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Explain Any Code

Paste or write VEX and get a clear, Houdini-aware explanation β€” ideal for learning or onboarding teammates.

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Debug & Fix Errors

Catch syntax errors, type mismatches, and dangerous patterns. Use Houdini's error messages and available geometry context to suggest fixes, and understand not just what went wrong, but why.

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Attribute Context-Aware

VEXpert sends relevant attribute names, types, and sampled values to the AI so suggestions can target the pieces in your scene. Large point clouds are sampled and size-capped.

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Learn VEX Inside Houdini

Work In Progress

Planned: VEXercises, practice problems, and step-by-step guidance for learning VEX interactively inside Houdini.

Less Friction

VEXpert helps reduce the friction that slows you down

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Get help with VEX syntax and functions without leaving Houdini

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Get debugging suggestions instead of guessing what's wrong

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Get a starting point for your next wrangle, then refine it in your scene

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Explore unfamiliar VEX with explanations alongside your code

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Help artists get unblocked before they need to ask a TD

"VEXpert does a solid job. The price is a huge plusβ€”definitely more accessible than similar tools. It's especially valuable for newer users learning VEX. I could see real potential here, particularly for teams trying to standardize their workflow."
β€” Beta Tester

Built For

🎨 FX Artists

Get help with VEX and stay focused on the creative work

βš™οΈ TDs

Prototype tools and refactor legacy code

πŸ“š Students

Learn VEX with explanations alongside your code

Top roadmap updates

VEXpert is actively evolving with your workflow in mind

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Documentation lookup

Planned: documentation lookup to help ground suggestions in the relevant Houdini documentation.

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Custom library

More to come. Excited about this one!

AI is only useful in Houdini if it respects Houdini.

VEXpert is built around that idea.

Simple, Honest Pricing

$4.50/month

~300-450 prompts per month Β· varies with request length, screenshots, and reasoning depth Β· top-up if needed Β· Cancel anytime

  • Full access to all features
  • Heavily token-optimized by design
  • Generate, optimize and debug VEX
  • Attribute names, types, and sampled values as context
  • Optional viewport image for Generate and Modify
  • Built directly into Houdini
  • Regular updates and improvements
  • Quick activation and setup
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