All models
Z.AI
GLM 4.5 AIR
The lightweight GLM 4.5, a 106B mixture-of-experts with only 12B active, so replies come fast and cheap. Fine for casual chat and simple tasks, 128K context, text only. Dated on reasoning. GLM-5.3 Flash is newer and cheaper.
OpenOpen-weight models with lighter filters. Discuss more, refuse less.
Quick
Intelligence
~0.64 credits
Estimated price per message
131K tokens
Context window
Text
Reads
GLM 4.5 AIR is a legacy model. Its successor, GLM-5.3 Flash, is faster or cheaper - and chats that used GLM 4.5 AIR move to it automatically.
See GLM-5.3 FlashThe facts
Made by
Z.AI
Content tier
OpenOpen-weight models with lighter filters. Discuss more, refuse less.
Intelligence
Quick
Estimated price per message
~0.64 credits≈ 156 messages for $1
Context window
131K tokens≈ 202 pages of text in one go
Reads
Text
Writes
Text
Tool use
Yes - search, memory, code and more
Served via
OpenRouter, Unbottled AI
Status
Legacy
A typical message: 16K tokens in, 1.5K out. Short replies cost less. Models served via OpenRouter bill the real provider cost plus our markup, so actual charges vary. 1 credit = $0.01.
Compare GLM 4.5 AIR
Same facts, side by side.
Try GLM 4.5 AIR now.
No subscription. Free credits to start. The chat opens with GLM 4.5 AIR selected and a prompt ready - just send.