EXAONE 4.5 33B
by LG AI Research
EXAONE 4.5 33B is a model from LG AI Research, released on April 9, 2026. It ranks #95 of 220 models by Intelligence Score with a score of 25.9.
EXAONE 4.5 is the first open-weight vision-language model from LG AI Research. It is a dense 33B multimodal model (31.7B language + 1.29B vision encoder) built by adding a dedicated visual encoder to the EXAONE 4.0 framework. It supports a 262,144-token context window, hybrid reasoning (thinking on by default), and strong performance on document understanding and Korean contextual reasoning while retaining EXAONE language capabilities. License: EXAONE AI Model License Agreement 1.2 - NC. Knowledge cutoff: December 2024.
Key specs
| Provider | LG AI Research |
|---|---|
| Release date | 2026-04-09 |
| License | proprietary |
| Intelligence Score | 25.9 |
Quick answers
Is EXAONE 4.5 33B open source?
No. EXAONE 4.5 33B is a proprietary model from LG AI Research (proprietary license).
When was EXAONE 4.5 33B released?
LG AI Research released EXAONE 4.5 33B on April 9, 2026.
How does EXAONE 4.5 33B compare to Claude Opus 5.5 (Reasoning)?
EXAONE 4.5 33B scores 25.9 on the Intelligence Score versus 60.5 for Claude Opus 5.5 (Reasoning), the current #1.