Introducing Holo4: powering generalist computer-use agents

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Lab Notes: Post-training Nemotron 3.5 Super VL 120B-A12B for computer use

Methods and findings from post-training the new NVIDIA 120B-A12B vision model.

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Cover: a pixelated swirl of four inks merging into a glowing orb, over the words Lab notes, Nemotron 3.5 Super VL CUA post-training.

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Floor of screens from Holo4 benchmark runs across web apps, desktop software and mobile.

September 28, 2026Research

Holo4: powering generalist computer-use agents

Click, code and call tools across desktop, web and mobile. Holo4 27B scores 85.2% on OSWorld at $0.08 per task.

Title card: Booting Fast and Slow

July 8, 2026Engineering

Booting Fast and Slow

Title card: VRAM Ghost Busting: Who You Gonna close()?

June 25, 2026Engineering

VRAM Ghost Busting: Who You Gonna `close()`?

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Research releases and engineering notes, newest first. Filter by topic or search the index.

October 15, 2026

Lab Notes: Post-training Nemotron 3.5 Super VL 120B-A12B for computer use

September 28, 2026

Holo4: powering generalist computer-use agents

Booting Fast and Slow

VRAM Ghost Busting: Who You Gonna `close()`?

Holo3.1 makes computer use fast and local

Holotron3

Holo3 breaks the computer use frontier

Unlocking Online RL and Unifying Our AI Platform Across Kubernetes and Slurm

Holotron-12B

February 27, 2026

Computer-use for GEO