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DeepSeek-V4-Flash Preview (High)
deepseek · MIT license · on Arena since 23 Apr 2026
Where to use it for free
- The lab's own chat: chat.deepseek.com (free with daily limits)
- Run it in one command with whichllm (free, open source):
uvx whichllm@latest plan "DeepSeek-V4-Flash"shows the GPU you need,uvx whichllm@latest run "DeepSeek-V4-Flash gguf"downloads it and starts a chat - Download and run it at home: official weights · GGUF files for Ollama and LM Studio
Arena scores
Rank among all models, paid ones included. Source: Arena leaderboard dataset.
Speed on popular hardware
| Hardware | GPU memory | Fits? | Speed |
|---|---|---|---|
| RTX 3060 12 GB | 12 GB | Does not fit | — |
| RTX 4060 Ti 16 GB | 16 GB | Does not fit | — |
| RTX 3090 | 24 GB | Does not fit | — |
| RTX 4090 | 24 GB | Does not fit | — |
| RTX 5090 | 32 GB | Does not fit | — |
| RX 7900 XTX | 24 GB | Does not fit | — |
| 2 × RTX 3090 | 48 GB | Does not fit | — |
| 4 × RTX 3090 | 96 GB | Does not fit | — |
| Mac M4 Max 128 GB | 96 GB | Does not fit | — |
| Ryzen AI Max+ 395 128 GB | 96 GB | Does not fit | — |
| 8 × H100 SXM | 640 GB | Fits in GPU | 97 tok/s |
Estimate at 4-bit with 32K context, 64 GB of DDR5 for offload. Speed ≈ memory bandwidth × 78% ÷ data read per token, plus a fixed cost per token, calibrated on 44 real llama.cpp tests; typical error about ±10%. Compare all GPUs.
GPU memory needed
| Level | 8K context | 32K context | 128K context | Quality vs full |
|---|---|---|---|---|
| Q3_K_M | 147 GB | 149 GB | 158 GB | +4.7% noticeable loss |
| Q4_K_M | 178 GB | 180 GB | 188 GB | +1.2% very small loss |
| Q5_K_M | 208 GB | 210 GB | 219 GB | +0.4% near-lossless |
| Q6_K | 240 GB | 242 GB | 251 GB | +0.2% near-lossless |
| Q8_0 | 310 GB | 313 GB | 321 GB | ≈ 0% same as full |
| F16 | 583 GB | 585 GB | 594 GB | ≈ 0% same as full |
Weights + context cache (from the model's architecture) + runtime. Quality: increase in perplexity against the full model, from llama.cpp tests, scaled by model size. Simulate your own setup.
Chat score over time
Arena score from 23 Apr 2026 to 22 Oct 2026.
Coding score over time
Arena score from 27 Apr 2026 to 23 Oct 2026.
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