GPT-5 Pro vs Nova Premier
OpenAI vs Amazon — benchmarks, pricing, and capabilities side by side.
- •GPT-5 Pro has the higher intelligence index (88.4 vs 53.1)
- •Nova Premier is cheaper ($2.50 vs $15.00 per 1M input)
| GPT-5 Pro | Nova Premier | |
|---|---|---|
| Intelligence index | 88.4 | 53.1 |
| Developer | OpenAI | Amazon |
| Type | LLM | LLM |
| Access | API only | — |
| Context window | 400,000 tokens | — |
| Input price | $15.00 / 1M | $2.50 / 1M |
| Output price | $120.00 / 1M | $12.50 / 1M |
| Speed | — | 40 tok/s |
| Released | October 6, 2025 | April 30, 2025 |
| Parameters | — | — |
| Input modalities | Text, Image | — |
| Output modalities | Text | — |
Shared benchmarks
GPT-5 Pro
Nova Premier
GPQA Diamond
88.4
56.9
Humanity’s Last Exam
42
4.7