MiniCPM4.1-8B is the latest iteration in the MiniCPM series from OpenBMB. It features an enhanced chat template supporting optional thinking tags and strong instruction-following performance. The model is fully open and can be used for local inference, fine-tuning, or integration into applications requiring a capable 8B-scale LLM.
In the Foundation models & chat space, MiniCPM4.1 8B takes a focused approach. It focuses on providing a compact yet powerful open language model for local or self-hosted instruction-following and reasoning tasks. MiniCPM4.1 8B is an open-source project aimed at developers. The project is open source (Open Source). MiniCPM4.1 8B is available on the web, the command line, and API.
OpenBMB builds and maintains MiniCPM4.1 8B, and the product first shipped in 2025. Among its 3 catalogued features are Instruction Tuning, Thinking Mode, and Chat Template. It exposes integrations via a public API.
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