Z.ai Releases GLM-5.3-Flash Multimodal Model
The 320B-A18B open-weight model features a 1M-token context window and is released under the MIT License.
- Standard API pricing is $0.15 per million input tokens, $0.50 per million output tokens, and $0.03 for cached inputs.
- Weights are available on Hugging Face, with the model running entirely on Chinese AI chips.
- The model was previously previewed under the name Ox Alpha.
Developers can deploy or query an open-weight, 1M-context multimodal model under permissive open-source licensing at low API costs.
