# AI Co-Mathematician vs GPT-5.4 Pro

> GPT-5.4 Pro has enough public results to be ranked (#16); AI Co-Mathematician does not yet, so treat this comparison as directional.

- Canonical page: https://noometry.com/compare/ai-co-mathematician-vs-gpt-5-4-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 0 categories and GPT-5.4 Pro in 1 category, but none of those gaps is larger than the uncertainty.
- The biggest single-benchmark swing is FrontierMath Tier 4: 75.6% for AI Co-Mathematician and 58.5% for GPT-5.4 Pro.

## Snapshot

| | AI Co-Mathematician | GPT-5.4 Pro |
|---|---|---|
| Provider | Google | OpenAI |
| Noometry Index | 57.6 | 58.8 |
| Rank | — | 16 |
| Context | — | 1.05M |
| Input $/M | — | $30 |
| Output $/M | — | $180 |
| Weights | Proprietary | Proprietary |

## Coding

- AI Co-Mathematician: —
- GPT-5.4 Pro: 42.6 (#89)

| Benchmark | AI Co-Mathematician | GPT-5.4 Pro |
|---|---|---|
| WeirdML | — | 57.4% |

## Reasoning

- AI Co-Mathematician: —
- GPT-5.4 Pro: 71.0 (#10)

| Benchmark | AI Co-Mathematician | GPT-5.4 Pro |
|---|---|---|
| ARC-AGI-2 | — | 83.3% |
| SimpleBench | — | 74.1% |
| ARC-AGI-1 | — | 94.5% |
| CritPt | — | 30% |
| Chess Puzzles | — | 58.6% |
| EnigmaEval | — | 23.8% |
| Epoch Capabilities Index | — | 159.12 |

## Math

- AI Co-Mathematician: 71.7
- GPT-5.4 Pro: 72.0 (#17)

| Benchmark | AI Co-Mathematician | GPT-5.4 Pro |
|---|---|---|
| FrontierMath Tier 4 | 75.6% | 58.5% |
| FrontierMath Tier 4 (v1) | 47.9% | 37.5% |
| FrontierMath (Tiers 1-3) | — | 82.5% |
| FrontierMath (Feb 2025 set) | — | 50% |

## Knowledge

- AI Co-Mathematician: —
- GPT-5.4 Pro: 68.3 (#6)

| Benchmark | AI Co-Mathematician | GPT-5.4 Pro |
|---|---|---|
| GPQA Diamond | — | 94.6% |
| Humanity's Last Exam | — | 44.3% |
| SimpleQA Verified | — | 46.3% |
| Vectara Hallucination Rate | — | 8.3% |

## FAQ

### Is AI Co-Mathematician better than GPT-5.4 Pro?

GPT-5.4 Pro has enough public results to be ranked (#16); AI Co-Mathematician does not yet, so treat this comparison as directional.

### How many benchmarks do AI Co-Mathematician and GPT-5.4 Pro share?

2 benchmarks have published results for both models. AI Co-Mathematician has 2 scored results on Noometry and GPT-5.4 Pro has 16.