GPT-5.1 vs Qwen3 8B
OpenAI vs Alibaba — benchmarks, pricing, and capabilities side by side.
- •GPT-5.1 has the higher intelligence index (89 vs 57.8)
- •Qwen3 8B is cheaper ($0.05 vs $1.25 per 1M input)
- •GPT-5.1 is faster
- •GPT-5.1 has a larger context window (400K)
| GPT-5.1 | Qwen3 8B | |
|---|---|---|
| Intelligence index | 89 | 57.8 |
| Developer | OpenAI | Alibaba |
| Type | LLM | LLM |
| Access | API only | Open weights |
| Context window | 400,000 tokens | 131,072 tokens |
| Input price | $1.25 / 1M | $0.05 / 1M |
| Output price | $10.00 / 1M | $0.40 / 1M |
| Speed | 115 tok/s | 69 tok/s |
| Released | November 12, 2025 | April 28, 2025 |
| Parameters | — | — |
| Input modalities | Text, Image | Text |
| Output modalities | Text | Text |
Shared benchmarks
GPT-5.1
Qwen3 8B
AIME 2025
94
24.3
GPQA Diamond
88.1
58.9
Humanity’s Last Exam
26.5
4.2
LiveCodeBench
86.8
40.6
MMLU-Pro
87
74.3