Intuitive like your limitless imagination

Image created by Jean Thiriet
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Thea Render is the most versatile 3D renderer featuring state-of-the-art unbiased and GPU engines. All the engines operate within the same framework and switching from one to another is just a click away

Fast interactive rendering

The Presto engine is great fun to work with, especially since you can get immediate feedback with production quality due to its fast, interactive response.

AI denoising

Denoiser tools to analyze image pixels and reduce noise.

Decrease, or even cancel, the noise in post-production with the denoiser feature. Get instant feedback with less noise, while you design interactively.

Affordable premium renderer

The most affordable premium rendering software on the market.

Started and built as a community project, we’ve strived to keep those ethos intact by pricing our products competitively while providing industry standard features and support.


Integrations & standalone applications

Thea Render for


Explore infinite possibilities in architectural visualization

Thea Render for


Perfect for product, automotive & other 3D design rendering

Thea Substance Converter

Quickly convert Substance 3D materials
Thea Substance Converter will enable you to convert Adobe Substance 3D materials into Thea Render materials.

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Thea Node

Thea Node improves render times dramatically by having more computers contributing to rendering static images and animations.

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Thea Benchmark

A standalone application running on both Windows and macOS and can be used to test and evaluate the performance of your hardware.

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New versions and hotfix releases

Educational licenses are now part of Altair One Student Edition

Educational licenses are now part of Altair One Student Edition

Educational licenses are now integrated in Altair One as part of Altair's Student Edition with an easier application process, 100% free for students and faculties. Create an Altair One account, apply for the Student Edition and get your license key. You may find more...


Latest news

Version 3.5 – Released

Version 3.5 – Released

We are pleased to announce the release of Thea Render v3.5 with new features and enhancements. Click to read more…

How to Render Pool Caustics with Thea Render

How to Render Pool Caustics with Thea Render

Caustics is an advanced but expensive engine feature adding to the realism of the scene. Pool caustics is one of those things that take the image to the next level. Let us see how to setup the scene, create the water material, and change the render settings to take caustics into account.


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Render something extraordinary

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