DeepSeek V4.1-Flash-1017 released with MIT weights and Search API
Official release: gains in reasoning, coding, agent and vision benchmarks, shorter faster outputs, MIT-licensed weights on Hugging Face, unchanged API pricing, plus new Search and Fetch APIs.

🇨🇳 China DeepSeek released V4.1-Flash-1017 on Saturday, an update to its open-weight model. The company says it improves reasoning, coding, agent tasks and visual benchmarks, while finishing jobs faster and producing shorter outputs. Weights are free to download on Hugging Face under an MIT licence and are live on the web, app and API at unchanged prices. On DeepSeek’s own figures it beats the previous Flash version on every listed test, including Terminal-Bench and DeepSWE. It also opened its Search and Fetch APIs to developers.