CogVLM

CogVLM is a state-of-the-art open visual language model developed by Tsinghua University's THUDM lab. At 6.7k+ GitHub stars, it represents a significant advancement in multimodal AI. Unlike traditional approaches that use a separate visual encoder with a frozen language model, CogVLM employs a deep fusion architecture where visual and language features interact at every transformer layer. This enables superior performance on tasks like visual question answering, image captioning, and visual grounding. The model supports both image and text inputs, generating text responses. CogVLM is fully open-source under Apache-2.0, built with PyTorch, and has been adopted by researchers and developers worldwide for building multimodal AI applications.