AIWalker

Mar 17, 2026 · Artificial Intelligence

How a 4B-Parameter Open-Source Model Outperforms 14B Multimodal Giants

InternVL-U, a 4‑billion‑parameter unified multimodal model released as open source, combines a 2B MLLM backbone with a 1.7B visual generation head and, through a reasoning‑centric data pipeline and Chain‑of‑Thought guidance, achieves superior understanding, generation, and editing performance that surpasses much larger 14‑20B models on multiple benchmarks.