# Mercury 2.5 vs o1-pro

> Mercury 2.5 is the stronger model overall, scoring 33.5 to 31.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mercury-2-5-vs-o1-pro
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- Mercury 2.5 is cheaper at $0.04 / $0.15 per million input/output tokens, against $150 / $600 for o1-pro.
- Mercury 2.5 accepts more context: 260K tokens versus 200K.

## Snapshot

| | Mercury 2.5 | o1-pro |
|---|---|---|
| Provider | Inception | OpenAI |
| Noometry Index | 33.5 | 31.5 |
| Rank | 242 | 271 |
| Context | 260K | 200K |
| Input $/M | $0.04 | $150 |
| Output $/M | $0.15 | $600 |
| Weights | Proprietary | Proprietary |

## Coding

- Mercury 2.5: 39.5 (#156)
- o1-pro: —

| Benchmark | Mercury 2.5 | o1-pro |
|---|---|---|
| SciCode | 38.5% | — |
| ALE-Bench | 301.65 | — |

## Reasoning

- Mercury 2.5: 22.4 (#193)
- o1-pro: 20.4 (#239)

| Benchmark | Mercury 2.5 | o1-pro |
|---|---|---|
| ARC-AGI-1 | — | 23.3% |
| CritPt | 0% | — |
| EnigmaEval | — | 6.1% |

## Math

- Mercury 2.5: 23.3 (#272)
- o1-pro: —

| Benchmark | Mercury 2.5 | o1-pro |
|---|---|---|
| ProofBench | 3% | — |

## Knowledge

- Mercury 2.5: —
- o1-pro: 29.7 (#234)

| Benchmark | Mercury 2.5 | o1-pro |
|---|---|---|
| Humanity's Last Exam | — | 8.1% |

## FAQ

### Is Mercury 2.5 better than o1-pro?

Mercury 2.5 is the stronger model overall, scoring 33.5 to 31.5 on the Noometry Index.

### Which is cheaper, Mercury 2.5 or o1-pro?

Mercury 2.5 is cheaper. It lists at $0.04 per million input tokens and $0.15 per million output tokens; o1-pro lists at $150 and $600.

### Which has the bigger context window?

Mercury 2.5 does, with 260K tokens against 200K.

### How many benchmarks do Mercury 2.5 and o1-pro share?

0 benchmarks have published results for both models. Mercury 2.5 has 4 scored results on Noometry and o1-pro has 3.