For Agent Memory, the Boring DeepSeek Non-Thinking Pass Wins on Speed and Accuracy
Brave_Pressure_9886 · reddit · 2026-08-28
A user building agent memory systems reports that on a narrow task — roughly 1,000 cached prompt tokens plus 2,000 tokens of memory material for extraction and summarization — the non-thinking pass of DeepSeek V4 Flash 0731 is unexpectedly excellent: fast and sharp, producing better summaries than Luna's low/medium runs and Terra on low effort.
Other notes: Qwen 3.5 Flash is the other non-thinking model he likes, especially for Chinese; he hasn't tested Qwen 3.7/3.8. His own private coding radar gave the V4 Flash/Pro non-thinking route 50 points vs. 8 for Luna low. He routes everything through ZenMux as a single API gateway so models can be swapped without re-integration. His core point: memory analysis sits inside a repeated workflow, so speed itself is a hard requirement — which is why DeepSeek stays in his rotation.
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