# AI Co-Mathematician vs GPT-5.2 Pro

> GPT-5.2 Pro has enough public results to be ranked (#39); AI Co-Mathematician does not yet, so treat this comparison as directional.

- Canonical page: https://noometry.com/compare/ai-co-mathematician-vs-gpt-5-2-pro
- Last updated: 2026-10-10
- Shared benchmarks: 2

## Summary

- They share 2 benchmarks with published results for both. AI Co-Mathematician scores higher in 1 category and GPT-5.2 Pro in 0 categories; one gap is clear of the uncertainty.
- The widest gap is in math, where AI Co-Mathematician leads 72.3 to 65.3.
- The biggest single-benchmark swing is FrontierMath Tier 4: 75.6% for AI Co-Mathematician and 46% for GPT-5.2 Pro.

## Snapshot

| | AI Co-Mathematician | GPT-5.2 Pro |
|---|---|---|
| Provider | Google | OpenAI |
| Noometry Index | 58.1 | 52.3 |
| Rank | — | 39 |
| Context | — | 400K |
| Input $/M | — | $21 |
| Output $/M | — | $168 |
| Weights | Proprietary | Proprietary |

## Reasoning

- AI Co-Mathematician: —
- GPT-5.2 Pro: 51.5 (#33)

| Benchmark | AI Co-Mathematician | GPT-5.2 Pro |
|---|---|---|
| ARC-AGI-2 | — | 54.2% |
| SimpleBench | — | 57.4% |
| NYT Connections (extended) | — | 79.3% |
| ARC-AGI-1 | — | 90.5% |
| Epoch Capabilities Index | — | 155.4 |

## Math

- AI Co-Mathematician: 72.3
- GPT-5.2 Pro: 65.3 (#29)

| Benchmark | AI Co-Mathematician | GPT-5.2 Pro |
|---|---|---|
| FrontierMath Tier 4 | 75.6% | 46% |
| FrontierMath Tier 4 (v1) | 47.9% | 31.3% |
| FrontierMath (Tiers 1-3) | — | 74% |

## FAQ

### Is AI Co-Mathematician better than GPT-5.2 Pro?

GPT-5.2 Pro has enough public results to be ranked (#39); AI Co-Mathematician does not yet, so treat this comparison as directional.

### How many benchmarks do AI Co-Mathematician and GPT-5.2 Pro share?

2 benchmarks have published results for both models. AI Co-Mathematician has 2 scored results on Noometry and GPT-5.2 Pro has 8.