GPT-5.1 vs Nova 2.0 Pro
OpenAI vs Amazon — benchmarks, pricing, and capabilities side by side.
- •GPT-5.1 has the higher intelligence index (89 vs 80.9)
- •GPT-5.1 is cheaper ($1.25 vs $1.30 per 1M input)
- •Nova 2.0 Pro is faster
| GPT-5.1 | Nova 2.0 Pro | |
|---|---|---|
| Intelligence index | 89 | 80.9 |
| Developer | OpenAI | Amazon |
| Type | LLM | LLM |
| Access | API only | — |
| Context window | 400,000 tokens | — |
| Input price | $1.25 / 1M | $1.30 / 1M |
| Output price | $10.00 / 1M | $10.00 / 1M |
| Speed | 115 tok/s | 149 tok/s |
| Released | November 12, 2025 | November 27, 2025 |
| Parameters | — | — |
| Input modalities | Text, Image | — |
| Output modalities | Text | — |
Shared benchmarks
GPT-5.1
Nova 2.0 Pro
AIME 2025
94
89
GPQA Diamond
88.1
78.5
Humanity’s Last Exam
26.5
8.9
LiveCodeBench
86.8
73
MMLU-Pro
87
83