The short version
Z.ai's multimodal open model tuned for capable, inexpensive coding and agents.
From the HackerLinks archive
GLM-5.3-Flash
Z.ai's multimodal open model tuned for capable, inexpensive coding and agents.
At a glance:
First seen:2026-09-18
Last seen:2026-09-18
Times seen:1
Website:docs.z.ai
Why it caught our attention
A user directly recommended it as unusually capable for its low price.
Where it surfaced on Hacker News
2026-09-18
“Just use GLM-5.3 Flash via OpenRouter. It's dirt cheap especially relative to how capable it is.”
alexjplant · recommendation · first hand use
Direct HN comment
How GLM built its own inference infrastructure