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petu 3 hours ago

> and it needs 10 times more RAM.

More like 3-6.

Qwen 27B full quality is FP16. So 54GB. In practice most inference providers would serve FP8, so 27GB.

DeepSeek V4 Flash in full quality is mostly FP4. ~167GB official release.

So Deepseek has 140GB model size overhead... which is shared between 100s of users single inference node serves, so not even a gigabyte of VRAM per user.

Memory required for 200K of context per user:

  V4 Flash: 1GB. 
  Qwen 27B: 13GB.