Model comparison
Claude 2.1 vs o1-pro
o1-pro is the stronger model overall, scoring 31.5 to 25.2 on the Noometry Index.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in knowledge, where o1-pro leads 29.7 to 15.4.
Side by side
| Claude 2.1 | o1-pro | |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Noometry Index | 25.2 | 31.5 |
| Released | 2023-11-21 | 2025-03-19 |
| Weights | Proprietary | Proprietary |
| Context window | — | 200K |
| Max output | — | 100K |
| Input $ / M tokens | — | $150 |
| Output $ / M tokens | — | $600 |
| Results tracked | 7 | 3 |
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Category by category
Coding Not comparable
Claude 2.1: 26.2 (#327), o1-pro: —
| Benchmark | Claude 2.1 | o1-pro |
|---|---|---|
| WeirdML | 7.1% | — |
Reasoning Too close to call
Claude 2.1: 21.4 (#221), o1-pro: 20.4 (#239)
| Benchmark | Claude 2.1 | o1-pro |
|---|---|---|
| ARC-AGI-1 | — | 23.3% |
| EnigmaEval | — | 6.1% |
| DTBench | 51% | — |
| Epoch Capabilities Index | 119.27 | — |
| ForecastBench | 54.2 | — |
Math Not comparable
Claude 2.1: 10.2 (#315), o1-pro: —
| Benchmark | Claude 2.1 | o1-pro |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.9% | — |
Knowledge o1-pro leads
Claude 2.1: 15.4 (#292), o1-pro: 29.7 (#234)
| Benchmark | Claude 2.1 | o1-pro |
|---|---|---|
| GPQA Diamond | 33% | — |
| Humanity's Last Exam | — | 8.1% |
| MMLU | 73.5% | — |
Frequently asked questions
Is Claude 2.1 better than o1-pro?
o1-pro is the stronger model overall, scoring 31.5 to 25.2 on the Noometry Index.
How many benchmarks do Claude 2.1 and o1-pro share?
0 benchmarks have published results for both models. Claude 2.1 has 7 scored results on Noometry and o1-pro has 3.