DeepSeek-V3.1 vs Qwen3.8 Max
Qwen3.8 Max significantly outperforms across most benchmarks.
DeepSeek · Alibaba Cloud / Qwen Team · Updated for 2026
Which is better?
DeepSeek-V3.1 outperforms in 0 benchmarks, while Qwen3.8 Max is better at 2 benchmarks (GPQA, Humanity's Last Exam). Qwen3.8 Max significantly outperforms across most benchmarks.
Based on current benchmark, pricing, and model metadata for 2026.
Choose DeepSeek-V3.1
- you want predictable pricing at $0.27/M input and $1.00/M output
Choose Qwen3.8 Max
- you want the strongest raw capability — it leads on 2 of 2 shared benchmarks
- you want the most recent training data — it shipped Aug 2026
At a glance
The differences that matter most.
Performance Benchmarks
Comparative analysis across standard metrics
DeepSeek-V3.1 outperforms in 0 benchmarks, while Qwen3.8 Max is better at 2 benchmarks (GPQA, Humanity's Last Exam).
Qwen3.8 Max significantly outperforms across most benchmarks.
Arena Performance
Playground indexes and blind preference scores
Model Size
Parameter count comparison
Qwen3.8 Max has 1729.0B more parameters than DeepSeek-V3.1, making it 257.7% larger.
Context Window
Maximum input and output token capacity
Only DeepSeek-V3.1 specifies input context (163,840 tokens). Only DeepSeek-V3.1 specifies output context (163,840 tokens).
Input Capabilities
Supported data types and modalities
Qwen3.8 Max supports multimodal inputs, whereas DeepSeek-V3.1 does not.
Qwen3.8 Max can handle both text and other forms of data like images, making it suitable for multimodal applications.
DeepSeek-V3.1
Qwen3.8 Max
License
Usage and distribution terms
DeepSeek-V3.1 is licensed under MIT, while Qwen3.8 Max uses Qwen3.8-Max License.
License differences may affect how you can use these models in commercial or open-source projects.
MIT
Open weights
Qwen3.8-Max License
Open weights
Release Timeline
When each model was launched
DeepSeek-V3.1 was released on 2025-01-10, while Qwen3.8 Max was released on 2026-08-02.
Qwen3.8 Max is 19 months newer than DeepSeek-V3.1.
Jan 10, 2025
1.6 years ago
Aug 2, 2026
3 weeks ago
1.6yr newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Outputs Comparison
Judge for yourself.
Run your own prompts against DeepSeek-V3.1 and Qwen3.8 Max side-by-side, then vote on the output you prefer.
FAQ
Common questions about DeepSeek-V3.1 vs Qwen3.8 Max.