DeepSeek releases V4.1-Flash-1017 with MIT-licensed weights and stronger agentic coding

DeepSeek officially released V4.1-Flash-1017, a minor update to V4.1 Flash, with weights on Hugging Face and ModelScope under the MIT license. The company says Terminal-Bench 4.0 rose from 31.2 to 42.3 and ProgramBench from 20.3 to 29.1 while run time and output length fell, with pricing unchanged for API users.