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MODEL COMPARISON

Qwen3.8-Flash-Next vs DeepSeek-V4-Flash

DeepSeek-V4-Flash needs less memory: about 126 GB versus about 146 GB (text weights only) for Qwen3.8-Flash-Next, a difference of 20 GB. Qwen3.8-Flash-Next has 2 runtimes in release (Ollama and LM Studio). DeepSeek-V4-Flash has no runtime listed as in release.

SIDE BY SIDE

CompareQwen3.8-Flash-NextDeepSeek-V4-Flash
Memory neededabout 146 GB · Up to 256 GB (text weights only)about 126 GB · Up to 128 GB
Recommended quantQ4_K_M · 119.6 GBUD-IQ3_XXS · 103.0 GB
llama.cpp supportArchitecture listedChecked 25 Oct 2026Architecture listedChecked 25 Oct 2026
Ollama supportReleasedChecked 25 Oct 2026UnknownVersion v0.40.11 · Checked 25 Oct 2026
LM Studio supportReleasedChecked 25 Oct 2026UnknownChecked 25 Oct 2026
MLX / mlx-lm supportUpload availableChecked 25 Oct 2026UnknownChecked 25 Oct 2026
vLLM supportArchitecture listedChecked 25 Oct 2026Architecture listedChecked 25 Oct 2026
ReleasedAug 24, 2026Apr 22, 2026
LicenseNot recorded in this snapshot — see the model card ↗Not recorded in this snapshot — see the model card ↗
PublisherQwendeepseek-ai
Downloads3.1M936.1K
Model pageOpen Qwen3.8-Flash-Next ↗Open DeepSeek-V4-Flash ↗
Fits these setups
  • Mac 16 GBWon't fit
  • Mac 24 GBWon't fit
  • Mac 32 GBWon't fit
  • Mac 64 GBWon't fit
  • GPU 8 GB + 32 GB RAMWon't fit
  • GPU 12 GB + 32 GB RAMWon't fit
  • GPU 16 GB + 32 GB RAMWon't fit
  • GPU 24 GB + 64 GB RAMWon't fit
  • CPU 32 GBWon't fit
  • CPU 64 GBWon't fit
  • Mac 16 GBWon't fit
  • Mac 24 GBWon't fit
  • Mac 32 GBWon't fit
  • Mac 64 GBWon't fit
  • GPU 8 GB + 32 GB RAMWon't fit
  • GPU 12 GB + 32 GB RAMWon't fit
  • GPU 16 GB + 32 GB RAMWon't fit
  • GPU 24 GB + 64 GB RAMWon't fit
  • CPU 32 GBWon't fit
  • CPU 64 GBWon't fit

Memory needed is the same estimate shown on each model page: the recommended observed file plus 20% headroom and a 1.5 GB runtime allowance. See which setups fit →

These are estimates from observed file sizes, not benchmarks. They don’t account for long contexts or the KV cache, and fitting does not establish runtime compatibility or speed.