GLM-4.5

Hybrid-reasoning GLM release that made the 4.5 line broadly useful

BENCHMARKS

Not in the Epoch Capabilities Index. Epoch benchmarks what it can run, so this is a gap in coverage, not a poor result.

From the lab

Launch announcement · Jul 28, 2025GLM-4.5 Series
RELEASE DATEJul 28, 2025
WEIGHTSOpen weights
CONTEXT WINDOW131.1K
MAX OUTPUT98.3K
REASONINGYes
TOOL CALLINGYes
INPUTStext
OUTPUTStext

Specifications from Models.dev. Availability and limits may differ by provider. Benchmark scores come from Epoch AI under CC BY 4.0.