Model comparison
GPT-5 Pro vs o1-pro
GPT-5 Pro is the stronger model overall, scoring 46.4 to 31.5 on the Noometry Index.
Last verified . 3 shared benchmarks.
Summary
- They share 3 benchmarks with published results for both. GPT-5 Pro scores higher in 2 categories and o1-pro in 0 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where GPT-5 Pro leads 56.7 to 29.7.
- The biggest single-benchmark swing is ARC-AGI-1: 70.2% for GPT-5 Pro and 23.3% for o1-pro.
- GPT-5 Pro is cheaper at $15 / $120 per million input/output tokens, against $150 / $600 for o1-pro.
- GPT-5 Pro accepts more context: 400K tokens versus 200K.
Side by side
| GPT-5 Pro | o1-pro | |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Noometry Index | 46.4 | 31.5 |
| Released | 2025-10-06 | 2025-03-19 |
| Weights | Proprietary | Proprietary |
| Context window | 400K | 200K |
| Max output | 272K | 100K |
| Input $ / M tokens | $15 | $150 |
| Output $ / M tokens | $120 | $600 |
| Results tracked | 12 | 3 |
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Category by category
Coding Not comparable
GPT-5 Pro: 44.0 (#80), o1-pro: —
Reasoning GPT-5 Pro leads
GPT-5 Pro: 38.9 (#62), o1-pro: 20.4 (#239)
| Benchmark | GPT-5 Pro | o1-pro |
|---|---|---|
| ARC-AGI-1 | 70.2% | 23.3% |
| EnigmaEval | 18.8% | 6.1% |
| ARC-AGI-2 | 18.3% | — |
| SimpleBench | 61.6% | — |
| Kagi LLM Benchmark | 76.8% | — |
| Epoch Capabilities Index | 150.28 | — |
Math Not comparable
GPT-5 Pro: 48.5 (#63), o1-pro: —
| Benchmark | GPT-5 Pro | o1-pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | 55.8% | — |
| FrontierMath Tier 4 | 19.5% | — |
| FrontierMath Tier 4 (v1) | 14.6% | — |
Knowledge GPT-5 Pro leads
GPT-5 Pro: 56.7 (#42), o1-pro: 29.7 (#234)
| Benchmark | GPT-5 Pro | o1-pro |
|---|---|---|
| Humanity's Last Exam | 31.6% | 8.1% |
Frequently asked questions
Is GPT-5 Pro better than o1-pro?
GPT-5 Pro is the stronger model overall, scoring 46.4 to 31.5 on the Noometry Index.
Which is cheaper, GPT-5 Pro or o1-pro?
GPT-5 Pro is cheaper. It lists at $15 per million input tokens and $120 per million output tokens; o1-pro lists at $150 and $600.
Which has the bigger context window?
GPT-5 Pro does, with 400K tokens against 200K.
How many benchmarks do GPT-5 Pro and o1-pro share?
3 benchmarks have published results for both models. GPT-5 Pro has 12 scored results on Noometry and o1-pro has 3.