DeepSeek R1 Distill Qwen 1.5B vs GPT-5.1
DeepSeek vs OpenAI — benchmarks, pricing, and capabilities side by side.
- •GPT-5.1 has the higher intelligence index (89 vs 32.6)
- •DeepSeek R1 Distill Qwen 1.5B is cheaper ($0.00 vs $1.25 per 1M input)
| DeepSeek R1 Distill Qwen 1.5B | GPT-5.1 | |
|---|---|---|
| Intelligence index | 32.6 | 89 |
| Developer | DeepSeek | OpenAI |
| Type | LLM | LLM |
| Access | Open weights | API only |
| Context window | — | 400,000 tokens |
| Input price | $0.00 / 1M | $1.25 / 1M |
| Output price | $0.00 / 1M | $10.00 / 1M |
| Speed | — | 115 tok/s |
| Released | January 20, 2025 | November 12, 2025 |
| Parameters | 1780000000 | — |
| Input modalities | — | Text, Image |
| Output modalities | — | Text |
Shared benchmarks
DeepSeek R1 Distill Qwen 1.5B
GPT-5.1
AIME 2025
22
94
GPQA Diamond
33.8
88.1
Humanity’s Last Exam
3.3
26.5
LiveCodeBench
16.9
86.8
MMLU-Pro
26.9
87