DeepSeekLaunchAI ModelsSeptember 10, 2026

DeepSeek releases V4.1-Flash with new YOCO decoder-decoder architecture

DeepSeek's V4.1-Flash carries 552B total parameters but activates only 8B per prompt, with native image input and up to a 1M-token context window. On OpenDesign Arena it scored 81.2/100, 98% of GPT-6 Astra's 82.7, at $0.023 per finished design versus Astra's $1.61.

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