GPT-5.1 vs Olmo 3 32B Think
OpenAI vs Allen Institute for AI — benchmarks, pricing, and capabilities side by side.
- •GPT-5.1 has the higher intelligence index (89 vs 69.5)
- •Olmo 3 32B Think is cheaper ($0.15 vs $1.25 per 1M input)
- •GPT-5.1 has a larger context window (400K)
| GPT-5.1 | Olmo 3 32B Think | |
|---|---|---|
| Intelligence index | 89 | 69.5 |
| Developer | OpenAI | Allen Institute for AI |
| Type | LLM | LLM |
| Access | API only | Open weights |
| Context window | 400,000 tokens | 65,536 tokens |
| Input price | $1.25 / 1M | $0.15 / 1M |
| Output price | $10.00 / 1M | $0.50 / 1M |
| Speed | 115 tok/s | — |
| Released | November 12, 2025 | November 21, 2025 |
| Parameters | — | — |
| Input modalities | Text, Image | Text |
| Output modalities | Text | Text |
Shared benchmarks
GPT-5.1
Olmo 3 32B Think
AIME 2025
94
73.7
GPQA Diamond
88.1
61
Humanity’s Last Exam
26.5
5.9
LiveCodeBench
86.8
67.2
MMLU-Pro
87
75.9