OpenRouter · Vercel · CC BY 4.0
Arena · CC BY 4.0
Usage › GLM 5.3 Flash
Z.ai · LLM
An LLM from Z.ai, released Aug 26, 2026. It’s #3 in usage over the last 7 days and isn’t in the performance ranking (Arena top) yet.
| Performance rank | Not ranked |
| Usage rank | #3 · 10.1T tokens |
| Output price | $0.5 per 1M tokens |
| Input price | $0.15 per 1M tokens |
| Context length | 1.05M tokens |
| Released | Aug 26, 2026 |
chat.z.ai — Open the official site, chat.z.ai (new tab)
Source: OpenRouter (usage Sep 25 – Oct 1 · prices), Arena (performance · quality) · CC BY 4.0. Prices are converted at fixed exchange rates.