SOURCES DeepSeek V4.1-Flash announcement: https://www.deepseek.com/en/news/deepseek-v4-1-flash/

API docs and pricing: https://api-docs.deepseek.com/news/news260910/

Model weights and card: https://huggingface.co/deepseek-ai/DeepSeek-V4.1-Flash

Technical report: https://huggingface.co/deepseek-ai/DeepSeek-V4.1-Flash/blob/main/DeepSeek_V41_Tech_Report.pdf

The Register launch coverage: https://www.theregister.com/ai-and-ml/2026/09/11/deepseeks-new-model-sets-a-template-for-powerful-llms-that-run-lean/5295715

VentureBeat pricing and benchmarks: https://venturebeat.com/technology/deepseek-v4-1-flash-debuts-with-0-003-1m-off-peak-cached-input-rate-and-benchmarks-eclipsing-gpt-5-6-sol-claude-opus-5

llama.cpp V4 support discussion: https://github.com/ggml-org/llama.cpp/discussions/22376

Hardware reality check: https://www.modemguides.com/blogs/ai-infrastructure/run-deepseek-v4-1-flash-locally-hardware-reality-check

16GB Mac Mini run: https://x.com/i/status/2098424202168586367

DGX Spark pricing: https://www.nvidia.com/en-us/products/workstations/dgx-spark/

r/LocalLLaMA V4 Flash on 4x RTX 3060: https://www.reddit.com/r/LocalLLaMA/comments/1vrqf4f/running_deepseek_v4_flash_q4_k_xl_at_100_toks/

r/LocalLLaMA DGX Spark thread: https://www.reddit.com/r/LocalLLaMA/comments/1vkpm5p/deepseek_v4_flash_0731_is_the_killer_app_that_is/