Legal
Models available through Zro are published under separate licenses. The applicable terms and upstream sources for each currently served model are provided below.
GLM-5.3
Copyright (c) 2026 Zhipu AI
Source: zai-org/GLM-5.3
GLM-5.3 is provided under the GLM-5.3 License. It permits use, modification, distribution, deployment, fine-tuning, and creation of derivative works, subject to its stated conditions.
The license includes additional terms covering commercial use and safety, and differs from the MIT License that applies to GLM-5.2 and GLM-5.3 Flash.
Review the upstream license linked above for the complete terms and warranty disclaimer.
GLM-5.2
Copyright (c) 2026 Zhipu AI
Source: zai-org/GLM-5.2-FP8
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
GLM-5.3 Flash
Copyright (c) 2026 Zhipu AI
Source: zai-org/GLM-5.3-Flash
GLM-5.3 Flash is provided under the MIT License. The full MIT terms are identical to those listed for GLM-5.2 above.
DeepSeek V4.1 Flash
Copyright (c) 2023 DeepSeek
Source: deepseek-ai/DeepSeek-V4.1-Flash
DeepSeek V4.1 Flash is provided under the MIT License. The full MIT terms are reproduced in the GLM-5.2 section above.