GPT-5.1 vs Granite 4.0 H Small
OpenAI vs IBM — benchmarks, pricing, and capabilities side by side.
- •GPT-5.1 has the higher intelligence index (89 vs 35.7)
- •Granite 4.0 H Small is cheaper ($0.10 vs $1.25 per 1M input)
- •Granite 4.0 H Small is faster
| GPT-5.1 | Granite 4.0 H Small | |
|---|---|---|
| Intelligence index | 89 | 35.7 |
| Developer | OpenAI | IBM |
| Type | LLM | LLM |
| Access | API only | — |
| Context window | 400,000 tokens | — |
| Input price | $1.25 / 1M | $0.10 / 1M |
| Output price | $10.00 / 1M | $0.30 / 1M |
| Speed | 115 tok/s | 524 tok/s |
| Released | November 12, 2025 | September 22, 2025 |
| Parameters | — | — |
| Input modalities | Text, Image | — |
| Output modalities | Text | — |
Shared benchmarks
GPT-5.1
Granite 4.0 H Small
AIME 2025
94
13.7
GPQA Diamond
88.1
41.6
Humanity’s Last Exam
26.5
3.7
LiveCodeBench
86.8
25.1
MMLU-Pro
87
62.4