DeepSeek releases V4.1 Flash: 552B MoE, 1M context, SGLang day-0 support
BanghuaZ · x · 2026-09-10
DeepSeek officially launched V4.1-Flash, the smallest model in its new architecture family, with native visual understanding, faster inference and higher throughput — weights are open. SGLang and Miles shipped day-0 inference and RL support.
Key specs:
- Compressed KV shared across layers
- Two-stage sparse indexer
- 196B Engram lookup memory
- 552B backbone, 16B active decode / 8B prefill, up to 1M context, natively multimodal
The team promises "very exciting performance upgrades" in the coming days.
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