Intuitive like your Limitless Imagination

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.

What’s New in Thea Render v3.5

Ready to Experience the Difference?

Thea Render for


Explore Infinite Possibilities in Architectural Visualization
Thea Render for


Perfect for Product, Automotive & other 3D Design Rendering

Powerful Free Tools to Boost
your Creative Workflow

Thea Substance Converter

Thea Substance™ Converter allows you to create a Thea material from a Substance™ SBSAR file. You can use the parameters…

Thea Node

Render times can be improved dramatically by having more computers contributing to rendering static images and animations.

Thea Benchmark

Thea Benchmark is a standalone application running on both Windows and macOS and can be used to test and evaluate the …

Thoughtful Features
for Faster Rendering

Industry’s most Versatile and Powerful Render Engines

Our state-of-the-art unbiased, and GPU engines significantly reduces the rendering times to help you focus more on detailing for Photorealistic quality visualizations.

Fast Interactive Rendering with immediate visual feedback

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

Denoiser tool to analyze image pixels and reduce noise

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

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.

Begin your 3D career with Full feature Thea Students Edition for Free

Student licenses are available without charge via Altair University for non-commercial use. Get full featured Thea Render and other premium 3D design products from Altair today!

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our Community


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Release 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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Version 3 – Available Now

Version 3 – Available Now

We are pleased to announce the release of Thea Render version 3. This release brings a lot of new features as well as workflow enhancements and speed improvements in several areas.

Render Something Extrordinary

Start creating with Thea Render