# GPT-5.2 Pro vs o1

> GPT-5.2 Pro is the stronger model overall, scoring 52.3 to 40.9 on the Noometry Index. o1 costs 2.2× less per token, which makes it the better buy when GPT-5.2 Pro's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gpt-5-2-pro-vs-o1
- Last updated: 2026-10-11
- Shared benchmarks: 4

## Summary

- They share 4 benchmarks with published results for both. GPT-5.2 Pro scores higher in 2 categories and o1 in 0 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in math, where GPT-5.2 Pro leads 65.3 to 36.1.
- The biggest single-benchmark swing is ARC-AGI-1: 90.5% for GPT-5.2 Pro and 30.7% for o1.
- o1 is cheaper at $15 / $60 per million input/output tokens, against $21 / $168 for GPT-5.2 Pro.
- GPT-5.2 Pro accepts more context: 400K tokens versus 200K.

## Snapshot

| | GPT-5.2 Pro | o1 |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Noometry Index | 52.3 | 40.9 |
| Rank | 39 | 143 |
| Context | 400K | 200K |
| Input $/M | $21 | $15 |
| Output $/M | $168 | $60 |
| Weights | Proprietary | Proprietary |

## Coding

- GPT-5.2 Pro: —
- o1: 46.1 (#70)

| Benchmark | GPT-5.2 Pro | o1 |
|---|---|---|
| Aider Polyglot | — | 61.7% |
| WeirdML | — | 47.6% |
| LiveBench Coding | — | 69.7% |
| LMArena Coding | — | 1367 |
| CadEval | — | 56% |
| HumanEval+ | — | 89% |
| MBPP+ | — | 80.2% |

## Agentic & Tool Use

- GPT-5.2 Pro: —
- o1: 24.6 (#117)

| Benchmark | GPT-5.2 Pro | o1 |
|---|---|---|
| Cybench | — | 10% |
| METR Time Horizons | — | 51.1% |

## Reasoning

- GPT-5.2 Pro: 51.5 (#33)
- o1: 27.9 (#111)

| Benchmark | GPT-5.2 Pro | o1 |
|---|---|---|
| SimpleBench | 57.4% | 41.7% |
| ARC-AGI-1 | 90.5% | 30.7% |
| Epoch Capabilities Index | 155.4 | 141.91 |
| ARC-AGI-2 | 54.2% | — |
| NYT Connections (extended) | 79.3% | — |
| Chess Puzzles | — | 15% |
| EnigmaEval | — | 5.7% |
| LiveBench Reasoning | — | 91.6% |
| LMArena Hard Prompts | — | 1371 |
| DTBench | — | 74.7% |
| LiveBench Data Analysis | — | 65.5% |
| LMCA | — | 22.3% |
| LiveBench | — | 75.7% |

## Math

- GPT-5.2 Pro: 65.3 (#29)
- o1: 36.1 (#175)

| Benchmark | GPT-5.2 Pro | o1 |
|---|---|---|
| FrontierMath (Tiers 1-3) | 74% | 14.7% |
| FrontierMath Tier 4 | 46% | — |
| OTIS Mock AIME 2024-2025 | — | 73.3% |
| LiveBench Math | — | 80.3% |
| LMArena Math | — | 1388 |
| MATH Level 5 | — | 94.7% |
| FrontierMath (Feb 2025 set) | — | 9.3% |
| FrontierMath Tier 4 (v1) | 31.3% | — |

## Knowledge

- GPT-5.2 Pro: —
- o1: 41.5 (#110)

| Benchmark | GPT-5.2 Pro | o1 |
|---|---|---|
| GPQA Diamond | — | 76.8% |
| Humanity's Last Exam | — | 8% |
| SimpleQA Verified | — | 41.1% |
| Confabulations | — | 11.7% |
| LMArena Expert | — | 1361 |

## Multimodal

- GPT-5.2 Pro: —
- o1: 34.2 (#93)

| Benchmark | GPT-5.2 Pro | o1 |
|---|---|---|
| LMArena Vision | — | 1168 |
| GeoBench | — | 80% |
| VPCT | — | 37% |
| SpatialViz-Bench | — | 41.4% |

## Multilingual

- GPT-5.2 Pro: —
- o1: 48.6 (#142)

| Benchmark | GPT-5.2 Pro | o1 |
|---|---|---|
| LMArena Non-English | — | 1358 |
| LMArena Chinese | — | 1394 |
| LMArena French | — | 1344 |
| LMArena German | — | 1337 |
| LMArena Japanese | — | 1346 |
| LMArena Korean | — | 1396 |
| LMArena Russian | — | 1356 |
| LMArena Spanish | — | 1345 |

## Instruction Following

- GPT-5.2 Pro: —
- o1: 74.8 (#86)

| Benchmark | GPT-5.2 Pro | o1 |
|---|---|---|
| LiveBench Instruction Following | — | 81.5% |
| LMArena Instruction Following | — | 1367 |

## Long Context

- GPT-5.2 Pro: —
- o1: 50.3 (#9)

| Benchmark | GPT-5.2 Pro | o1 |
|---|---|---|
| Fiction.LiveBench | — | 83.3% |
| LMArena Longer Query | — | 1378 |

## Writing & Preference

- GPT-5.2 Pro: —
- o1: 55.6 (#144)

| Benchmark | GPT-5.2 Pro | o1 |
|---|---|---|
| LMArena Text | — | 1366 |
| LMArena Creative Writing | — | 1348 |
| Short-Story Creative Writing | — | 70.2% |
| LMArena Multi-Turn | — | 1369 |
| LiveBench Language | — | 65.4% |

## FAQ

### Is GPT-5.2 Pro better than o1?

GPT-5.2 Pro is the stronger model overall, scoring 52.3 to 40.9 on the Noometry Index. o1 costs 2.2× less per token, which makes it the better buy when GPT-5.2 Pro's lead doesn't matter for your workload.

### Which is cheaper, GPT-5.2 Pro or o1?

o1 is cheaper. It lists at $15 per million input tokens and $60 per million output tokens; GPT-5.2 Pro lists at $21 and $168.

### Which has the bigger context window?

GPT-5.2 Pro does, with 400K tokens against 200K.

### How many benchmarks do GPT-5.2 Pro and o1 share?

4 benchmarks have published results for both models. GPT-5.2 Pro has 8 scored results on Noometry and o1 has 52.