Deepseek V4.1 Flash 1017 beats Claude Opus 5 in agentic tasks at 90% lower cost

deepseek released v4.1 flash 1017, an open-weight model outperforming larger rivals like claude opus 5 and gpt 5.6-sol in coding and agent tasks. trained with reinforcement learning using self-feedback, it runs faster and produces shorter outputs. deepseek also opened its in-house search engine to developers through new search and fetch apis. this update impacts developers and companies using ai for software development, potentially changing the industry's cost-benefit analysis.