Tech AI LatestDeepSeek ships V4.1-Flash-1017 update with MIT weights and higher agent and coding scores
DeepSeek released V4.1-Flash-1017 on 17 October 2026, an MIT-licensed update it says scores higher with shorter outputs, now serving the deepseek-flash API.
Summary
DeepSeek released DeepSeek-V4.1-Flash-1017 on 17 October 2026, a minor update to V4.1-Flash with open weights under the MIT license. DeepSeek says it scores higher on reasoning, coding, agentic and visual benchmarks while finishing tasks faster with shorter outputs. It now serves the deepseek-flash API model with a 1M-token context, priced at $0.30 per 1M input tokens and $1.20 per 1M output tokens at peak, and half that off-peak.


















