Home › Comparison tool › Qwen 3 235B-A22B vs DeepSeek R1 671B

Qwen 3 235B-A22BvsDeepSeek R1 671B

Complete comparison between Qwen 3 235B-A22B (235B parameters, Alibaba) and DeepSeek R1 671B (671B, DeepSeek). VRAM required by quantization, tokens per second measured on 4 reference GPUs, verdict by use case, license, installation commands. All figures are calculated from catalog data — no copy-pasting between pages.

In brief

Feature Qwen 3 235B-A22B DeepSeek R1 671B
Settings 235B 671B
Family Qwen DeepSeek
Author Alibaba DeepSeek
Origin CN CN
License Apache 2.0 MIT
Context 131,072 tokens 128,000 tokens
Output April 2025 January 2025

Memory footprint

Approximate VRAM required for inference with an average context window. The winner (in green) is the model that uses less — smaller models have the edge.

Quantization Qwen 3 235B-A22B DeepSeek R1 671B
Q4_K_M (lightweight) 142 GB 400 GB
Q5_K_M (balanced) 170 GB 480 GB
Q8 (near-lossless) 250 GB 720 GB
FP16 (max quality) 470 GB 1342 GB
CPU-only RAM 160 GB 512 GB

Estimated speed (tokens/second)

Estimates based on the best quantization that can fit on each GPU. Actual figures depend on the prompt, context, and engine (llama.cpp, vLLM, MLX). Methodology.

Reference GPU Qwen 3 235B-A22B DeepSeek R1 671B
RTX 4090 (24 GB) ✗ too heavy ✗ too heavy
RTX 4080 (16 GB) ✗ too heavy ✗ too heavy
RTX 3060 12GB (12 GB) ✗ too heavy ✗ too heavy
Apple M4 Pro (48 GB) (36 GB) ✗ too heavy ✗ too heavy

Verdict by use case

For each common use case, we indicate which of the two is better suited based on its tags, size, and specialization.

General chat
Qwen 3 235B-A22B wins. Best capacity-to-constraints ratio for this use case.
Reasoning / math
Close match — it depends on the exact use case. The two are equivalent on this criterion; decide based on your VRAM or licensing constraints.
RAG / long documents
Qwen 3 235B-A22B wins. Larger context window (131,072 tokens), suitable for long documents.
Agents & tool use
Close match — it depends on the exact use case. The two are equivalent on this criterion; decide based on your VRAM or licensing constraints.
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Strengths and weaknesses

Alibaba · 235B

Qwen 3 235B-A22B

235B/22B active MoE (128 experts, 8 active). AIME 2024 85.7, LiveCodeBench 70.7.

  • Best open MoE at the time
  • Active 22B → fast for its size
  • AIME 2024 85.7
  • At least 142 GB in Q4
  • Multi-GPU deployment or Mac Studio required

Installation

ollama run qwen3:235b
DeepSeek · 671B

DeepSeek R1 671B

MoE 671B/37B MIT. The open reference reasoning model. MATH-500 97.3, AIME 79.8, MMLU 90.8.

  • MIT License
  • Reference open reasoner
  • MATH-500 97.3
  • 400+ GB in Q4 — beyond the reach of a standard laptop/workstation
  • For serious workstations or servers only

Installation

ollama run deepseek-r1:671b

Frequently asked questions

Which model runs best on RTX 4090 (24 GB): Qwen 3 235B-A22B or DeepSeek R1 671B?

On a RTX 4090, Qwen 3 235B-A22B does not fit in 24 GB — part of it must be offloaded to the CPU; DeepSeek R1 671B does not fit in 24 GB either. See the configurator to test your exact GPU.

Which uses the least VRAM?

In Q4_K_M, Qwen 3 235B-A22B fits in 142 GB versus 400 GB for its rival—a gap of 258 GB, significant if you're targeting an RTX 3060 or a 4060 Ti 8 GB.

Can these models be used in commercial production?

Qwen 3 235B-A22B is under Apache 2.0 — free for commercial use. DeepSeek R1 671B is also free under the MIT license. For SaaS, favor Apache 2.0 or MIT.

Which one should you choose in 2026?

Depends on your primary constraint. Smaller / faster: Qwen 3 235B-A22B (235B). More capable: DeepSeek R1 671B (671B). If you're unsure, run the configurator with your GPU and use case — it will decide based on both.

Alternatives to consider

If neither works for you, here are some neighboring models you could explore.

Go further