Compare/GPT-5.1 Codex mini (high) vs Qwen3 Next 80B A3B Instruct

GPT-5.1 Codex mini (high)vsQwen3 Next 80B A3B Instruct

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

OpenAI

GPT-5.1 Codex mini (high)

Input
$0.25/M
Output
$2/M
Speed
186 tok/s
TTFT
6.58s
Alibaba

Qwen3 Next 80B A3B Instruct

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

Winner by Category

Cheaper
GPT-5.1 Codex mini (high)
Faster (tok/s)
GPT-5.1 Codex mini (high)
Lower Latency
Qwen3 Next 80B A3B Instruct
Benchmarks (11-0)
GPT-5.1 Codex mini (high)

Pricing Comparison

MetricGPT-5.1 Codex mini (high)Qwen3 Next 80B A3B Instruct
Input ($/M tokens)$0.25$0.5
Output ($/M tokens)$2$2
Cost for 1M input + 100K output tokens:
GPT-5.1 Codex mini (high)$0.45
Qwen3 Next 80B A3B Instruct$0.70

Speed Comparison

Output Speed (tokens/s) — higher is better
GPT-5.1 Codex mini (high)
186 tok/s
Qwen3 Next 80B A3B Instruct
154 tok/s
Time to First Token (seconds) — lower is better
GPT-5.1 Codex mini (high)
6.58s
Qwen3 Next 80B A3B Instruct
0.98s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
38.620.1
Coding Index
36.415.3
Math Index
91.766.3
GPQA Diamond
81.3%73.8%
MMLU-Pro
82.0%81.9%
LiveCodeBench
83.6%68.4%
AIME 2025
91.7%66.3%
MATH-500
Humanity's Last Exam
16.9%7.3%
SciCode
42.6%30.7%
IFBench
67.9%39.7%
TerminalBench
33.3%7.6%
GPT-5.1 Codex mini (high)11 wins
0 winsQwen3 Next 80B A3B Instruct

Frequently Asked Questions

Which is cheaper, GPT-5.1 Codex mini (high) or Qwen3 Next 80B A3B Instruct?

GPT-5.1 Codex mini (high) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.69/M tokens vs $0.88/M for Qwen3 Next 80B A3B Instruct.

Which model performs better on benchmarks?

GPT-5.1 Codex mini (high) 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?

GPT-5.1 Codex mini (high) generates tokens faster at 186 tok/s vs 154 tok/s. However, Qwen3 Next 80B A3B Instruct has lower time-to-first-token (0.98s vs 6.58s).

When should I use GPT-5.1 Codex mini (high) vs Qwen3 Next 80B A3B Instruct?

Choose based on your priorities: GPT-5.1 Codex mini (high) for lower cost, GPT-5.1 Codex mini (high) for stronger benchmark performance, and GPT-5.1 Codex mini (high) for faster generation. For latency-sensitive apps, check the TTFT comparison above.