GLM-5.3 Flash ReleasedGLM-5.3 Flash has been officially released after being teased under the codename Ox Alpha. The model has 320 billion parameters and is positioned as an upgrade over GLM-5.2.
The source also mentions a possible backdoor, but gives no details.
320 billion parameters Outperforms GLM-5.2 in benchmarks and real tasks Costs 10 times less than GLM-5.2 Competes with Claude Opus 4.8 in coding and agent tasks
Link 
You can test GLM-5.3 Flash online or access the model through Hugging Face.
@program
