DeepSeek Open-Sources V4.1-Flash Under MIT License, Cuts Off-Peak API Rates to 50%
deepseek_ai · x · 2026-09-10
DeepSeek detailed open-source plans and new pricing for V4.1-Flash:
- Open source & deployment: working with the open-source community on inference support and more deployment options; soliciting large-scale deployments of 2,000 GPUs + storage clusters
- The model is on Hugging Face (deepseek-ai/DeepSeek-V4.1-Flash, MIT license, fp8/8-bit weights), with an accompanying technical paper
- Lower API prices: peak/off-peak pricing continues, with off-peak rates at 50% of peak; new pricing effective Sept 10, 04:00 UTC 2026
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