October 17, 2026
DeepSeek-V4.1-Flash-1017: weights open under MIT, input from $0.15 per million tokens

Weights of DeepSeek-V4.1-Flash-1017 are published on Hugging Face and ModelScope under MIT (model card, Oct 17, 2026). Context window of 1 million tokens, uncached input from $0.15 per million tokens.