DeepSeek launched the DeepSeek-V4.1-Flash artificial intelligence model on September 10, 2026, as the smallest model in its new architecture family

From the articleAIM — India's Leading AI & Data Science Media PlatformAlso in DeepSeek-V4.1-Flash debuts with $0.003/1M off-peak cached-input rate and benchmarks eclipsing GPT-5.6 Sol, Claude Opus 5, DeepSeek launches V4.1-Flash model with 552B parameters and a million-token context window, DeepSeek releases V4.1-Flash, says it outperforms flagship V4-Pro - SiliconANGLE, DeepSeek launches V4.1-Flash model highlighting unmatched 400 plus token speeds, DeepSeek says new Flash AI model beats Kimi K3 on cyber, coding benchmarks, China's DeepSeek launches V4.1-Flash model | Reuters, DeepSeek V4.1-Flash Cuts Agent Memory Costs Fourfold With New Architecture