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EXAONE 4.5 vs GLM-5.1
EXAONE 4.5 (LG AI Research) and GLM-5.1 (Z.ai (Zhipu AI)) compared on benchmarks, pricing, context window, and use-case rankings.
Scores
Intelligence (ECI)—150
Coding—65
Math—63
Reasoning & Knowledge—47
Agentic & Tools——
Specifications
DeveloperLG AI ResearchZ.ai (Zhipu AI)
Family——
ReleasedApr 9, 2026Apr 7, 2026
Parameters33.2B754B
AvailabilityOpen weights (restricted use)—
Context window—203K
Price — $/M input—$0.98
Price — $/M output—$3.08
Inputs—text
Outputs—text
Benchmarks
AIME 2024/2025—92%
FrontierMath—33%
FrontierMath Tier 4—13%
GPQA Diamond—85%
SimpleBench—59%
SimpleQA Verified—37%
SWE-bench Verified—74%
WebDev Arena—1534
WeirdML—57%
Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.
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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.