DeepSeek, a Chinese AI research lab, has released the DeepSeek-R1-Lite-Preview model.The model performs on par with OpenAI's o1-preview on logical and mathematical reasoning benchmarks.It introduces "chain-of-thought" reasoning, providing step-by-step explanations of its problem-solving process.DeepSeek plans to release open-source versions of its R1 models and APIs in the future.