Qwen3.8 125B (6B active) Flash-Next
2× NVIDIA RTX 4070 · llama.cpp · 98,000 ctx
- generation:
- 15.7 tokens/s
- quant:
- IQ3_XXS (GGUF)
Reported by the source; GPU count, offloading and concurrent requests can change these figures. Prompt-processing speed is shown only when the source reports it; generation speed cannot tell us time to first token. Check the full setup before comparing.
User reports Qwen3.8 Flash-Next at 15.7 t/s on an RTX 4070 12GB and V100 16GB with 32GB of system RAM. Setup is llama.cpp with IQ3_XXS weights, 98k context, flash attention, jinja, and MTP with 2 draft tokens, using layer split rather than tensor parallelism. The user asks whether the model should require 45.8 GB in memory as shown for an AD-3.84bpw-IQ4_XS-M64 build, and notes their own RAM usage stayed around 6 GB.