DeepSeek releases MIT-licensed V4.1-Flash-1017 as DHS issues federal civilian exclusion order
DeepSeek released its MIT-licensed V4.1-Flash-1017 coding model with an 890-byte per-token KV cache on October 17, as DHS published an October 20 FASCSA order barring DeepSeek across federal civilian IT.
Zero-based bars compare Terminal-Bench 4.0 pass@1 scores for DeepSeek V4.1-Flash (31.2%) and V4.1-Flash-1017 (42.3%), alongside active parameters per token for prefill (8B) and decode (16B).
Higher agent score, federal ban
DeepSeek V4.1-Flash-1017 benchmark gain and asymmetric active parameters
Terminal-Bench 4.0
percent pass@1 · vendor-reportedBenchmarks are vendor-reported; all 763B parameters must stay in memory; DHS order bars federal civilian use.