GPT-5 Pro vs Hermes 4 - Llama-3.1 405B
OpenAI vs Nous Research — benchmarks, pricing, and capabilities side by side.
- •GPT-5 Pro has the higher intelligence index (88.4 vs 73.5)
- •Hermes 4 - Llama-3.1 405B is cheaper ($1.00 vs $15.00 per 1M input)
| GPT-5 Pro | Hermes 4 - Llama-3.1 405B | |
|---|---|---|
| Intelligence index | 88.4 | 73.5 |
| Developer | OpenAI | Nous Research |
| Type | LLM | LLM |
| Access | API only | — |
| Context window | 400,000 tokens | — |
| Input price | $15.00 / 1M | $1.00 / 1M |
| Output price | $120.00 / 1M | $3.00 / 1M |
| Speed | — | 34 tok/s |
| Released | October 6, 2025 | August 27, 2025 |
| Parameters | — | — |
| Input modalities | Text, Image | — |
| Output modalities | Text | — |
Shared benchmarks
GPT-5 Pro
Hermes 4 - Llama-3.1 405B
GPQA Diamond
88.4
72.7
Humanity’s Last Exam
42
10.3