Bringing Generative AI Into Houdini - Natively

VFX and 3D artists have never had more AI tools available to them, but almost none of them live where artists actually work.

Today's generative AI workflow for a Houdini artist typically looks like this: render a frame, export it, switch to a browser-based tool or standalone app, upload the image, run the AI process, download the result, import it back into Houdini, and repeat. Every round-trip breaks creative momentum. Every context switch adds friction that compounds across hundreds of iterations in a production pipeline.

The tools exist. The integration doesn't.

Studios face an additional challenge: most AI models are trained on data of uncertain origin, creating legal exposure for commercial projects. When a tool lives outside the pipeline, there's no audit trail, no metadata, and no content moderation layer between the AI output and the final deliverable.

Bria AI Tools for Houdini is a set of 12 AI-powered nodes – 10 built natively on Houdini's Copernicus (COP) image network, an OBJ-level Viewport Render for 3D-to-AI workflows, and a TOP-level Batch node for production-scale processing via PDG. They appear in the standard TAB menu alongside every other Houdini node. No external applications, no browser tabs, no Python environment setup.

Install is a one-step process: load the Installer HDA, paste your API key, click Install. After a restart, every tool is available through the TAB menu under the "Bria AI" category.

All processing is non-destructive. Results are saved to disk and loaded through Copernicus File nodes, keeping your original images and geometry untouched.

And because Bria's models are trained exclusively on licensed data, studios can use these tools in commercial production without legal uncertainty.

Generate and Edit

Fibo Generate creates images from text prompts with control over aspect ratio, guidance, and seed. For more precise results, Generate VGL produces structured Visual Generation Language (VGL) prompts that break down scene composition, lighting, style, and objects into discrete fields – giving artists the kind of granular creative control that simple text prompts can't offer.

Fibo Edit applies prompt-based edits to existing images, while Fibo Edit Recipes offers 90+ curated presets across 11 categories: Style, Weather, Seasons, Time of Day, Camera, Lighting, Artifact Cleanup, AI Corrections, Compositing, and Object Edits. Pick a category, pick a preset, click Edit.

GenFill and Erase work with a mask input – paint the area you want to modify, and either fill it with generated content or remove what's there. Expand outpaints the canvas in any direction.

Enhance and Process

Enhancer improves image quality to target resolutions up to 4 megapixels. Upscale increases resolution by 2x or 4x. RMBG removes backgrounds with smart edge detection.

All of these chain together. The output of one Bria node feeds directly into the next at full resolution, enabling multi-step workflows entirely within the COP network.

Capture Your 3D Viewport

Viewport Render is where the integration becomes uniquely Houdini. This OBJ-level node captures your 3D viewport, sends the capture through Bria's AI editing pipeline, and optionally applies the styled result back as a texture on your geometry.

22 presets span five categories – VFX Simulations (destruction, water, fire, smoke, particles), Environments (mountains, forests, coasts, interiors), Lighting & Mood (golden hour, night, studio, dramatic), and Stylized (motion graphics, concept art, architectural viz, product render). Each preset includes instructions specifically tuned to prevent common AI artifacts on 3D-rendered geometry.

Batch at Scale

The Batch TOP node brings Bria into Houdini's Procedural Dependency Graph (PDG). Choose from five modes (Generate, Edit, Enhance, Upscale, or RMBG) and process hundreds of images in parallel. Connect a Wedge TOP upstream to sweep seeds, prompts, or guidance values across work items. Every result ships with a JSON metadata sidecar containing timing data and the full API response.

This isn't a proof of concept. The integration follows Houdini's standard package conventions, so it drops into existing studio environments the same way any other Houdini package does. No manual path editing, no environment variable conflicts.

Every node includes granular content moderation toggles for input, output, and prompt filtering. Proxy support (http_proxy, https_proxy) works out of the box for studios behind corporate firewalls. Metadata sidecars create an audit trail for every AI-generated asset.

Cross-platform support covers macOS and Windows, with robust error handling that prevents Houdini deadlocks on both platforms.

Most generative AI tools were built to lower the floor, to make creation accessible to anyone. That's useful, but it's not what professionals need. A Houdini artist, a pipeline TD, or a studio head doesn't need easier access to AI. They need AI that raises the ceiling: consistent outputs, reproducible results, and a system they can build production workflows on top of with confidence.

That's what Bria is built for.

Bria is a visual generative AI infrastructure for professionals. Not a creative app, not a browser-based tool, infrastructure. Controllable down to every visual parameter through VGL, the language Bria's models natively speak. There's no translation layer, no prompt guesswork, no variation you can't explain. When you direct a generation in Bria, the same input produces the same output. That's not a feature, it's a production requirement.

On trust: Bria provides full indemnity for IP and privacy infringement. Every model is trained on rights-cleared, attributed data, with compensation to the original creators. The outputs are safe to ship, not just safe to use. For studios, that distinction matters at every stage from pilot to procurement. Bria is SOC 2 Type II certified, ISO 27001 compliant, and built to satisfy GDPR, the EU AI Act, and C2PA requirements.

On flexibility: the Houdini integration is one surface. The same capabilities are available via API, MCP, Skills, and source code – deployable on Bria Cloud, your cloud, on-premises, or on-device. The Houdini plugin is the entry point for M&E studios into the Bria platform. The architecture is designed to extend across every tool in your pipeline.

1. Clone the repo: https://github.com/Bria-AI/houdini-tools
2. Set HOUDINI_PACKAGE_DIR to point at the repo, or use the Installer HDA
3. Get a Bria API key at platform.bria.ai
4. Launch Houdini, TAB-search "Bria", and start creating

This release covers Houdini, but the underlying architecture, a DCC-agnostic API client with a thin adapter layer, is designed to extend to other creative tools. We're also working on an auto-update system so studios can stay current without reinstalling.

We'd love to hear how you use these tools. Share your results, report issues, or contribute at github.com/Bria-AI/houdini-tools.

• Do I need a Houdini license to use Bria AI? Yes. Bria AI for Houdini requires SideFX Houdini 21.0 or later on macOS or Windows. The Bria plugin itself is free and open-source – you pay only for API usage at standard Bria pricing, with no additional plugin license fee.

• Is the generated content cleared for commercial use? Yes. Bria's models are trained exclusively on licensed, rights-cleared data with full attribution to original creators. Bria provides full indemnity for IP and privacy infringement, which means outputs are safe to ship into commercial production, not just safe to generate. This is the distinction that matters at legal review.

• Does this work with Houdini's Copernicus (COP) network or the legacy COP2? Bria AI is built natively on Copernicus – Houdini's modern image network architecture. It does not rely on legacy COP2. This means it is fully compatible with current Houdini workflows and forward-compatible as SideFX continues to develop Copernicus.

• How does the Batch node work with PDG? The Batch TOP node connects directly into Houdini's Procedural Dependency Graph. Choose from five processing modes: Generate, Edit, Enhance, Upscale, or RMBG, and connect a Wedge TOP upstream to sweep seeds, prompts, or guidance values across work items. Results process in parallel, each with a full JSON metadata sidecar.

• Can I use this on Linux? Linux is not currently supported. The current release covers macOS and Windows.

• Is Bria AI for Houdini open source? Yes. The plugin is fully open-source and available on GitHub at github.com/Bria-AI/houdini-tools. Studios can modify, extend, and integrate it into proprietary pipelines. API usage is billed at standard Bria pricing.

• What is VGL and why does it matter for Houdini artists? VGL (Visual Generation Language) is the language Bria's models natively speak. Rather than relying on natural language prompts, which produce different results each time, VGL lets artists define scene composition, lighting, camera angle, and style as structured, reproducible specifications. For production pipelines where consistency and reproducibility matter, VGL replaces prompt guesswork with deterministic control.

• Is this part of a broader DCC integration strategy? Yes. The Houdini integration is the first release in Bria's DCC integration layer - Bria Craft. The same architecture is being extended to Nuke, Toon Boom Harmony, ComfyUI, and Photoshop, bringing Bria's generation and editing capabilities inside the major tools in the M&E pipeline.