LG
LG EXAONE 4.5
LG EXAONE 4.5 is a LG model with 262K context, Not verified in / Not verified out per million tokens, last verified September 2, 2026. Open weights: yes. Public-board scores are linked to the publisher; vendor-only figures stay in the watch-out, not on the board.
EXAONE 4.5 is LG's open-weight 33B model with a 260K context for research/education use.
Catalog record checked September 2, 2026Individual provider fields may change
| Specification | LG EXAONE 4.5 |
|---|---|
| Provider | LG |
| Tier | Balanced |
| Context window | 262K |
| Max output | Not verifiedUnverified |
| Input / 1M tokens | Not verifiedUnverified |
| Output / 1M tokens | Not verifiedUnverified |
| Weights | Open |
| Parameters | 33B |
| Reasoning levels | low, medium, high |
| Modalities | text, image |
| API model id | EXAONE-4.5-33B |
| Released | April 9, 2026 |
Pricing tiers: Open-weights (EXAONE NC license, non-commercial); self-host. 33B.
Verified evidence
Published benchmark results
Each result keeps its source and measurement date visible. A missing benchmark is not treated as a zero.
| Benchmark | Score | Measured | Source |
|---|---|---|---|
| Artificial Analysis Intelligence Index | 41 | 2026-08-14 | Artificial Analysis · View source |
Best for
- Open-weight deployments
- Research/edu
- Long-context
Watch out
Source receipts
Catalog figures for this model were checked against the following sources.
- LG AI — EXAONE 4.5 (accessed 2026-08-29)
- PRNewswire — EXAONE 4.5 (accessed 2026-08-29)
Common questions
LG EXAONE 4.5
Answered from the verified figures on this page rather than general guidance.
What is LG EXAONE 4.5's context window?
LG EXAONE 4.5 accepts about 262K tokens of context. That only matters if you routinely send very long documents, large codebases, or multi-turn histories that approach that limit.
What is LG EXAONE 4.5 best for?
LG EXAONE 4.5 is a balanced tier from LG. It suits open-weight deployments, research/edu, long-context. Non-commercial license; verify terms before production use.
Can I self-host LG EXAONE 4.5?
LG EXAONE 4.5 publishes open weights, but self-hosting depends on the licence, hardware footprint, quantisation quality, and serving stack. A hosted API is often cheaper until you have measured throughput and concurrency on your own hardware.