Free guide · Oct 13, 2026
FLUX 3 Action: run a first robot prediction and read the license
How to run a first prediction with no robot, check the robot's controls, and read the weight license.
The short version
FLUX 3 Action is Black Forest Labs' open-weights 7B world action model. You give it camera frames, the robot's current state and a text instruction, and it predicts the next chunk of actions (32 for the DROID arm, about two seconds) together with the future video frames that go with them. You can run a first prediction on a recorded sample with no robot at all, but you need Linux and an NVIDIA GPU. The code is Apache-2.0. The weights are under the FLUX Kommunity License, which is free for non-commercial use and limits commercial use. I have not run it myself; everything below comes from the official repo, docs and license.
What's in the full guide
- 01What each step gives you
- 02Step 1: Check your hardware
- 03Step 2: Install the code
- 04Step 3: See the predicted actions, no robot needed
- 05Step 4: What about the predicted frames?
- 06Step 5: Check the robot's controls
- 07Step 6: Read the weight license
- 08What the results do and don't show
- 09Sources