# Gemini 1.5 Pro (May 2024) vs GPT-4.5

> GPT-4.5 is the stronger model overall, scoring 36.9 to 31.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-1-5-pro-vs-gpt-4-5
- Last updated: 2026-10-10
- Shared benchmarks: 28

## Summary

- They share 28 benchmarks with published results for both. Gemini 1.5 Pro (May 2024) scores higher in 0 categories and GPT-4.5 in 10 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in agentic & tool use, where GPT-4.5 leads 27.6 to 17.8.
- The biggest single-benchmark swing is WeirdML: 22.2% for Gemini 1.5 Pro (May 2024) and 39.4% for GPT-4.5.

## Snapshot

| | Gemini 1.5 Pro (May 2024) | GPT-4.5 |
|---|---|---|
| Provider | Google | OpenAI |
| Noometry Index | 31.9 | 36.9 |
| Rank | 253 | 200 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 1.5 Pro (May 2024): 33.8 (#239)
- GPT-4.5: 41.8 (#102)

| Benchmark | Gemini 1.5 Pro (May 2024) | GPT-4.5 |
|---|---|---|
| WeirdML | 22.2% | 39.4% |
| LMArena Coding | 1294 | 1397 |
| Aider Polyglot | — | 44.9% |
| BigCodeBench Instruct | 43.8% | — |
| LiveBench Coding | — | 75.2% |
| BigCodeBench Complete | 57.5% | — |
| CadEval | 34% | — |
| HumanEval+ | 79.3% | — |
| MBPP+ | 74.6% | — |

## Agentic & Tool Use

- Gemini 1.5 Pro (May 2024): 17.8 (#137)
- GPT-4.5: 27.6 (#92)

| Benchmark | Gemini 1.5 Pro (May 2024) | GPT-4.5 |
|---|---|---|
| Cybench | 7.5% | 17.5% |
| TheAgentCompany | 3.4% | — |
| BALROG | 21% | — |

## Reasoning

- Gemini 1.5 Pro (May 2024): 12.3 (#332)
- GPT-4.5: 14.1 (#320)

| Benchmark | Gemini 1.5 Pro (May 2024) | GPT-4.5 |
|---|---|---|
| ARC-AGI-2 | 0.8% | 0.8% |
| SimpleBench | 27.1% | 34.5% |
| LMArena Hard Prompts | 1296 | 1404 |
| Epoch Capabilities Index | 131.73 | 136.74 |
| ForecastBench | 58.4 | 61.7 |
| ARC-AGI-1 | — | 10.3% |
| EnigmaEval | — | 3.2% |
| LiveBench Reasoning | — | 71.1% |
| DTBench | 59% | — |
| LiveBench Data Analysis | — | 64.3% |
| BIG-Bench Hard | 89.2% | — |
| LiveBench | — | 69% |

## Math

- Gemini 1.5 Pro (May 2024): 24.4 (#260)
- GPT-4.5: 31.0 (#200)

| Benchmark | Gemini 1.5 Pro (May 2024) | GPT-4.5 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 23.1% | 37.8% |
| LMArena Math | 1315 | 1412 |
| MATH Level 5 | 70.4% | 78.6% |
| Omni-MATH | 36.4% | — |
| LiveBench Math | — | 69.3% |

## Knowledge

- Gemini 1.5 Pro (May 2024): 29.3 (#228)
- GPT-4.5: 32.4 (#205)

| Benchmark | Gemini 1.5 Pro (May 2024) | GPT-4.5 |
|---|---|---|
| GPQA Diamond | 57.2% | 68.7% |
| Humanity's Last Exam | 4.6% | 5.4% |
| Confabulations | 13.5% | 13.6% |
| LMArena Expert | 1279 | 1394 |
| MMLU-Pro | 73.7% | — |
| GPQA (HELM) | 53.4% | — |
| MMLU | 86.9% | — |

## Multimodal

- Gemini 1.5 Pro (May 2024): 36.2 (#72)
- GPT-4.5: 37.0 (#68)

| Benchmark | Gemini 1.5 Pro (May 2024) | GPT-4.5 |
|---|---|---|
| LMArena Vision | 1161 | 1195 |
| Video-MME | 75% | — |
| VPCT | — | 45% |

## Multilingual

- Gemini 1.5 Pro (May 2024): 45.5 (#169)
- GPT-4.5: 52.7 (#78)

| Benchmark | Gemini 1.5 Pro (May 2024) | GPT-4.5 |
|---|---|---|
| LMArena Non-English | 1312 | 1413 |
| LMArena Chinese | 1331 | 1421 |
| LMArena French | 1301 | 1417 |
| LMArena German | 1286 | 1457 |
| LMArena Japanese | 1292 | 1416 |
| LMArena Korean | 1298 | 1392 |
| LMArena Russian | 1320 | 1419 |
| LMArena Spanish | 1310 | — |

## Instruction Following

- Gemini 1.5 Pro (May 2024): 68.8 (#180)
- GPT-4.5: 72.8 (#129)

| Benchmark | Gemini 1.5 Pro (May 2024) | GPT-4.5 |
|---|---|---|
| LMArena Instruction Following | 1297 | 1404 |
| LiveBench Instruction Following | — | 72.3% |
| IFEval | 83.7% | — |

## Long Context

- Gemini 1.5 Pro (May 2024): 39.7 (#164)
- GPT-4.5: 40.4 (#150)

| Benchmark | Gemini 1.5 Pro (May 2024) | GPT-4.5 |
|---|---|---|
| LMArena Longer Query | 1308 | 1406 |
| Fiction.LiveBench | — | 63.9% |

## Writing & Preference

- Gemini 1.5 Pro (May 2024): 52.5 (#167)
- GPT-4.5: 57.1 (#129)

| Benchmark | Gemini 1.5 Pro (May 2024) | GPT-4.5 |
|---|---|---|
| LMArena Text | 1319 | 1417 |
| LMArena Creative Writing | 1333 | 1394 |
| LMArena Multi-Turn | 1296 | 1444 |
| Short-Story Creative Writing | — | 75.6% |
| EQ-Bench Creative Writing | — | 1258 |
| WildBench | 81.3% | — |
| LiveBench Language | — | 61.5% |

## FAQ

### Is Gemini 1.5 Pro (May 2024) better than GPT-4.5?

GPT-4.5 is the stronger model overall, scoring 36.9 to 31.9 on the Noometry Index.

### Is Gemini 1.5 Pro (May 2024) or GPT-4.5 better for coding?

GPT-4.5 scores higher on coding benchmarks: 41.8 versus 33.8 in the Noometry coding category.

### How many benchmarks do Gemini 1.5 Pro (May 2024) and GPT-4.5 share?

28 benchmarks have published results for both models. Gemini 1.5 Pro (May 2024) has 45 scored results on Noometry and GPT-4.5 has 42.