GLM-4.5-Flash
Efficient GLM model for fast reasoning, coding, and agent workflows
- Price per 1M tokens
- $0 / $0 input / output · Zai
- Context window
- 131.1K tokens in · 98.3K out
The GLM-5.3-Flash line
4 releases in the GLM-5.3-Flash line.
GLM-4.5-FlashJul 28, 2025133dGLM-4.6V-FlashDec 8, 202542dGLM-4.7-FlashJan 19, 2026219dGLM-5.3-FlashAug 26, 2026
A newer release is out: GLM-5.3-Flash.
BENCHMARKS
Not in the Epoch Capabilities Index. Epoch benchmarks what it can run, so this is a gap in coverage, not a poor result.
Z.ai's past year
12 release days in the past year, about one every 30 days. The next is expected around Nov 21, 2026. Forecasts ↗
NovDecJanFebMarAprMayJunJulAugSepOctNov
Specifications
RELEASE DATEJul 28, 2025
WEIGHTSClosed weights
CONTEXT WINDOW131.1K
MAX OUTPUT98.3K
REASONINGNot listed
TOOL CALLINGNot listed
INPUTStext
OUTPUTStext
Specifications and prices from Models.dev; availability and limits may differ by provider. Benchmarks from Epoch AI (CC BY 4.0), LiveBench and the other sources named above.