Kimi LinearOpen Weight
Kimi Linear is an AI model released by Moonshot AI on Thursday, Oct 30 2025, 55 days after Kimi K2 (0905). It is an open-weight model — the trained weights are available to download and run. It is a 48B parameter model.
Kimi Linear — frequently asked questions
- When was Kimi Linear released?
- Kimi Linear was released by Moonshot AI on Thursday, Oct 30 2025.
- Who made Kimi Linear?
- Kimi Linear was built by Moonshot AI. Chinese AI company building the Kimi family of models. Founded in 2023, known for long-context and efficient MoE architectures.
- How many parameters does Kimi Linear have?
- Kimi Linear is reported at 48B parameters.
- Is Kimi Linear open source?
- Partly. Kimi Linear is an open-weight model: the trained weights are free to download and run locally or on your own infrastructure, but the training data and code are not fully released and the license may restrict some commercial uses. It is not open source in the strict sense.
- What came before and after Kimi Linear?
- Moonshot AI's previous tracked release was Kimi K2 (0905) on Sep 5 2025, 55 days earlier. It was followed by Kimi K2 Thinking on Nov 6 2025.