Compare/DeepSeek V3.1 Terminus (Reasoning) vs Qwen3 Next 80B A3B Instruct

DeepSeek V3.1 Terminus (Reasoning)vsQwen3 Next 80B A3B Instruct

Side-by-side comparison of pricing, 12 benchmarks, and generation speed.

DeepSeek

DeepSeek V3.1 Terminus (Reasoning)

Input
$0.4/M
Output
$2/M
Speed
TTFT
Alibaba

Qwen3 Next 80B A3B Instruct

Input
$0.5/M
Output
$2/M
Speed
154 tok/s
TTFT
0.98s

Winner by Category

Cheaper
DeepSeek V3.1 Terminus (Reasoning)
Faster (tok/s)
Qwen3 Next 80B A3B Instruct
Lower Latency
DeepSeek V3.1 Terminus (Reasoning)
Benchmarks (11-0)
DeepSeek V3.1 Terminus (Reasoning)

Pricing Comparison

MetricDeepSeek V3.1 Terminus (Reasoning)Qwen3 Next 80B A3B Instruct
Input ($/M tokens)$0.4$0.5
Output ($/M tokens)$2$2
Cost for 1M input + 100K output tokens:
DeepSeek V3.1 Terminus (Reasoning)$0.60
Qwen3 Next 80B A3B Instruct$0.70

Speed Comparison

Output Speed (tokens/s) — higher is better
DeepSeek V3.1 Terminus (Reasoning)
Qwen3 Next 80B A3B Instruct
154 tok/s
Time to First Token (seconds) — lower is better
DeepSeek V3.1 Terminus (Reasoning)
Qwen3 Next 80B A3B Instruct
0.98s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
33.920.1
Coding Index
33.715.3
Math Index
89.766.3
GPQA Diamond
79.2%73.8%
MMLU-Pro
85.1%81.9%
LiveCodeBench
79.8%68.4%
AIME 2025
89.7%66.3%
MATH-500
Humanity's Last Exam
15.2%7.3%
SciCode
40.6%30.7%
IFBench
57.0%39.7%
TerminalBench
30.3%7.6%
DeepSeek V3.1 Terminus (Reasoning)11 wins
0 winsQwen3 Next 80B A3B Instruct

Frequently Asked Questions

Which is cheaper, DeepSeek V3.1 Terminus (Reasoning) or Qwen3 Next 80B A3B Instruct?

DeepSeek V3.1 Terminus (Reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.80/M tokens vs $0.88/M for Qwen3 Next 80B A3B Instruct.

Which model performs better on benchmarks?

DeepSeek V3.1 Terminus (Reasoning) wins 11 out of 12 benchmarks compared to 0 for Qwen3 Next 80B A3B Instruct. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Qwen3 Next 80B A3B Instruct generates tokens faster at 154 tok/s vs 0 tok/s. DeepSeek V3.1 Terminus (Reasoning) also has lower time-to-first-token (0.00s vs 0.98s).

When should I use DeepSeek V3.1 Terminus (Reasoning) vs Qwen3 Next 80B A3B Instruct?

Choose based on your priorities: DeepSeek V3.1 Terminus (Reasoning) for lower cost, DeepSeek V3.1 Terminus (Reasoning) for stronger benchmark performance, and Qwen3 Next 80B A3B Instruct for faster generation. For latency-sensitive apps, check the TTFT comparison above.