Release tracker / Z.ai

Z.ai's latest model

• GLM-5.3-Flash

  20 Aug 2026 · 53 days ago · GLM small line, small · 396 days after the last GLM small

  $0.15 in · $0.50 out per MEpoch AI source

GLM-5.3-Flash came out 53 days ago. Spotted a launch we're missing? Tell us.

How often Z.ai ships

Lines with at least three launches in the last two years. Amber: longer since the last launch than the line's average gap. Grey: no launch for 90 days or more, marked quiet.

Every Z.ai release

• GLM-5.3-Flash

  20 Aug 2026 · 53 days ago · GLM small line, small · 396 days after the last GLM small

  $0.15 in · $0.50 out per MEpoch AI source

• GLM-5.3

  14 Aug 2026 · 59 days ago · GLM line, large · 59 days after the last GLM

  #16 of 22 overall$1.40 in · $4.40 out per MReference source

• GLM-5.2

  16 Jun 2026 · GLM line, large · 70 days after the last GLM

  $1.40 in · $4.40 out per MReference source

• GLM-5.1

  7 Apr 2026 · GLM line, large · 54 days after the last GLM

  $1.38 in · $4.40 out per MReference source

• GLM-5

  12 Feb 2026 · GLM line, large · 52 days after the last GLM

  $0.95 in · $2.55 out per MReference source

• GLM-4.7

  22 Dec 2025 · GLM line, large · 83 days after the last GLM

  $0.54 in · $1.98 out per MReference source

• GLM-4.6

  30 Sep 2025 · GLM line, large · 58 days after the last GLM

  $0.50 in · $2.00 out per MReference source

• GLM-4.5

  3 Aug 2025 · GLM line, large · 564 days after the last GLM

  $0.60 in · $2.20 out per MReference source

• GLM-4.5-Air

  20 Jul 2025 · GLM small line, small

  $0.14 in · $0.86 out per MEpoch AI source

• GLM-4

  17 Jan 2024 · GLM line, large

  Epoch AI source

Questions

What is Z.ai's latest model?

GLM-5.3-Flash, released 20 Aug 2026 (53 days ago). It is the newest of the 10 Z.ai launches we have recorded since 17 Jan 2024.

When will Z.ai release its next model?

Z.ai has not announced its next model. It usually releases a new GLM model about every 63 days; the last was GLM-5.3, 59 days ago.

How often does Z.ai release new models?

Over the last two years: a new GLM model about every 63 days (7 launches).

Other providers: OpenAI, Mistral AI, Alibaba, Anthropic, Google, DeepSeek, xAI, Meta, Moonshot AI, Microsoft, MiniMax, Xiaomi, Amazon, NVIDIA, StepFun. Or see every launch on one timeline.

A launch is the first day a model was publicly available, previews included; a family's sizes released together count once, and later dated updates of a model are left out. Main lines are checked by hand against the provider's own changelog or announcement where we could read it ("Provider"), otherwise a reference page ("Reference"); the rest come from Epoch AI's model data (CC BY 4.0).