Zhipu · since 2026-08-14 (GLM-5.3); GLM-5.3-Flash: 2026-08-26 · 2× · last seen Oct 28, 2026
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Momentum
Z.ai is the product brand of Chinese AI company Zhipu (formerly Zhipu AI), which offers the GLM model family. The current flagship GLM-5.3 was announced on August 14, 2026; the API went live on August 18, 2026, and the weights followed on August 28, 2026 under a custom license. Prices are per 1M tokens.
Momentum trend
31.07.29.10.
Features
| Key Benchmark (%) | GLM-5.3 CyberGym 84.5%; Terminal-Bench 3.0: 28.3 (predecessor GLM-5.2: 4.6) |
| Context Window (Tokens) | GLM-5.3: 1,048,576 (1M), up to 128K output; GLM-5.3-Flash: 1,048,576 (1M) |
| License | GLM-5.3: custom GLM-5.3 license (MIT-style, condition for MaaS operators >$10B revenue); GLM-5.3-Flash: MIT |
| Multimodality | GLM-5.3-Flash: native text, image and video input (output: text); GLM-5.3: text only |
| Platform | Web chat (chat.z.ai), developer API (z.ai/model-api), GLM Coding Plan from $18/month |
| Price per 1M Tokens | GLM-5.3: $1.40 input / $4.40 output (cached $0.26); GLM-5.3-Flash: $0.15 input / $0.50 output |
| Release Date | GLM-5.3: Aug 14, 2026 (API since Aug 18, 2026); GLM-5.3-Flash: Aug 26, 2026 |