DeepSeek V4.1 Flash's 190B Engram Lookup Table Confuses Builders: Can It Store Knowledge Without Fine-Tuning?
No_Afternoon_4260 · reddit · 2026-09-15
- A Reddit user asks for an ELI5 of DeepSeek V4.1 Flash's architecture: what do the 500B+ weights and the 190B+ "engram" lookup table actually bring?
- Known traits include aggressive prefill optimization and a very large KV cache.
- Key open question: can the engram table be updated with new knowledge—or grown—without fine-tuning the model?
Related event: DeepSeek V4.1 Flash resets architecture, shrinking KV cache to a quarter(5 posts)→
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