Z.ai models
14 current Z.ai models on AIblogly (13 text, 1 image), and 2 that Z.ai has retired. The newest is GLM-5.3-Flash, released 26 August 2026. The highest Z.ai model on LMArena’s text leaderboard is GLM-5.3, at rank 28.
Current Z.ai models
| Model | Type | Released | Price | LMArena rank |
|---|---|---|---|---|
| GLM-5.3-Flash | Text | 26 August 2026 | $0.15 input / $0.50 output per 1M tokens ($0.03 cached input) | #36 |
| GLM-5.3 | Text | 18 August 2026 | $1.40 / $4.40 per 1M tokens ($0.26 cached input) | #28 |
| GLM-5.2 | Text | 16 June 2026 | $1.40 / $4.40 per 1M tokens; $0.26 cached input | #39 |
| GLM-5.1 | Text | 7 April 2026 | $1.40 / $4.40 per 1M tokens | #59 |
| GLM 5V Turbo | Text | 2 April 2026 | $1.2 / $4 per 1M tokens | #110 |
| GLM 5 | Text | 12 February 2026 | $1 / $3.2 per 1M tokens | #67 |
| GLM-Image | Image | 14 January 2026 | $0.015 per image (Z.ai API) | #79 |
| GLM 4.7 | Text | 22 December 2025 | $0.60 / $2.20 per 1M tokens | #98 |
| GLM 4.6V | Text | 8 December 2025 | $0.3 / $0.9 per 1M tokens | #196 |
| GLM 4.6 | Text | 30 September 2025 | $0.60 / $2.20 per 1M tokens | #127 |
| GLM 4.5V | Text | 11 August 2025 | $0.6 / $1.8 per 1M tokens | #219 |
| GLM 4.5 | Text | 28 July 2025 | $0.6 / $2.2 per 1M tokens | #155 |
| GLM 4.5 Air | Text | 28 July 2025 | $0.20 / $1.10 per 1M tokens | #201 |
| GLM 4 Plus | Text | — | $0.44 / $1.76 per 1M tokens | #267 |
Retired Z.ai models
Z.ai no longer offers these through its API. Dates are the ones Z.ai states; the replacement is the model it points users to.
| Model | Released | Retired | Description | Replacement |
|---|---|---|---|---|
| GLM 4 Plus 0111 | — | Not on Z.ai’s API price list (checked 28 Oct 2026) | A January build of Zhipu’s GLM-4-Plus. Source | GLM-5.3 |
| GLM 4.7 Flash | — | Not on Z.ai’s API price list (checked 28 Oct 2026) | Zhipu’s small GLM 4.7 model, published with open weights under MIT. Source | GLM-5.3-Flash |
Frequently asked questions
What is Z.ai's newest AI model?+
Of the Z.ai models listed here, the most recently released is GLM-5.3-Flash, released on 26 August 2026.
Which Z.ai model ranks highest on LMArena?+
GLM-5.3, at rank 28 on LMArena's text leaderboard (Elo 1482). The full table is at aiblogly.com/benchmarks.
Which Z.ai models have been retired?+
GLM 4 Plus 0111 (retired Not on Z.ai’s API price list (checked 28 Oct 2026)); GLM 4.7 Flash (retired Not on Z.ai’s API price list (checked 28 Oct 2026)).