DeepSeek V4.1 Flash vs Grok Build 0.1

DeepSeek's efficient multimodal model, and the release that brought vision to its Flash line. V4.1 Flash reads text and images, activates only a small fraction of its parameters per token, and holds a very large context. A new architecture uses less compute for long inputs than for generation, making it fast and cheap for input-heavy agent work. Strong on coding and long-context tasks. Free to start on Aymo. Open weights under an MIT license.

xAI's coding model, purpose-built for autonomous software engineering rather than chat. Grok Build 0.1 acts as an engineering agent: it reasons through a problem, writes code, runs your terminal, checks for errors, and fixes its own mistakes in a loop. It reads text and images, always reasons before answering, and natively supports Model Context Protocol. Built for long-horizon coding that runs with little supervision, at a low cost, tuned for agent loops.