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LG AI ResearchReleased April 9, 2026

EXAONE 4.5 33B

LG AI Research · Released April 9, 2026

Intelligence score

23

At a glance

Intelligence
23
Speed
—
Latency
—
Input price
Not published
Output price
Not published
Context window
260Ktokens
Parameters
34.4billions

Summary

Comparison summary

EXAONE 4.5 33B scores 23 (estimated) on the Artificial Analysis Intelligence Index, placing it well above average among other open weight models of similar size (median: 9).

Specifications

Technical specifications

Model nameEXAONE 4.5 33B
ProviderLG AI Research
Release dateApril 9, 2026
Intelligence score23
Speed—
Latency (TTFT)—
Input priceNot published
Output priceNot published
Context window260,000 tokens
Parameters34.4B
ReasoningYes
Input modalitiestext, image
Output modalities—
Open weightsYes
LicenseEXAONE AI Model License Agreement 1
API availability—
SourceModel Intelligence legacy profile: exaone-4-5-33b

FAQ · 15

Frequently asked questions

EXAONE 4.5 33B was released on April 9, 2026.

EXAONE 4.5 33B was created by LG AI Research.

EXAONE 4.5 33B scores 23 (estimated) on the Artificial Analysis Intelligence Index, placing it well above average among other open weight models of similar size (median: 9).

Yes, EXAONE 4.5 33B is a reasoning model. It uses extended thinking or chain-of-thought reasoning to work through complex problems before providing an answer.

EXAONE 4.5 33B supports text and image input.

EXAONE 4.5 33B supports text output.

Yes, EXAONE 4.5 33B supports image input and can analyze, describe, and answer questions about images.

Yes, EXAONE 4.5 33B is multimodal. It can process text and image input and generate text output.

EXAONE 4.5 33B has a context window of 260k tokens. This determines how much text and conversation history the model can process in a single request.

Yes, EXAONE 4.5 33B is open weights. The model weights are publicly available and can be downloaded for self-hosting.

EXAONE 4.5 33B has 34.4 billion parameters.

EXAONE 4.5 33B is released under the EXAONE AI Model License Agreement 1.2 - NC license. Commercial use requires a separate license agreement.

EXAONE 4.5 33B achieves a score of 23 on the Artificial Analysis Intelligence Index. This composite benchmark evaluates models across reasoning, knowledge, mathematics, and coding.

EXAONE 4.5 33B is an open weights model that can be self-hosted.

EXAONE 4.5 33B is an open weights model that can be downloaded and self-hosted.