Proprietary LLM

A proprietary LLM is a language model whose architecture and weights are controlled by a specific provider and accessed via managed services or restricted licenses. Users rely on APIs rather than hosting the model themselves. For product and marketing teams, proprietary LLMs often offer strong capabilities with minimal infrastructure work, but require thoughtful integration, vendor management, and careful handling of data and cost. A proprietary LLM is a language model whose weights and implementation are controlled by a specific provider and typically accessed through managed services. Users integrate via APIs rather than operating the model directly. For product and growth teams, proprietary LLMs can simplify adoption and maintenance, but require thoughtful vendor management and data handling practices.