DeepSeek V4 asks what long context is actually for

Ben Burtenshaw’s Hugging Face analysis covers DeepSeek V4 Pro and Flash, their million-token context, and architectural choices intended to make large histories practical. The discussion connects these changes to agents accumulating actions and intermediate results over time.

Context

Capacity is only one factor. Speed, cost, and accurate retrieval of earlier details determine whether the history helps. A long record can also contain obsolete information and mistakes. Agents still need organized memory and a way to distinguish established facts from working assumptions.