# Gemini 2.5 Pro vs GPT-4o mini

> Gemini 2.5 Pro is the stronger model overall, scoring 44.9 to 25.4 on the Noometry Index. GPT-4o mini costs 13× less per token, which makes it the better buy when Gemini 2.5 Pro's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gemini-2-5-pro-vs-gpt-4o-mini
- Last updated: 2026-10-10
- Shared benchmarks: 49

## Summary

- They share 49 benchmarks with published results for both. Gemini 2.5 Pro scores higher in 10 categories and GPT-4o mini in 0 categories; 10 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Gemini 2.5 Pro leads 55.8 to 17.7.
- The biggest single-benchmark swing is Aider Polyglot: 83.1% for Gemini 2.5 Pro and 3.6% for GPT-4o mini.
- GPT-4o mini is cheaper at $0.15 / $0.60 per million input/output tokens, against $1.25 / $10 for Gemini 2.5 Pro.
- Gemini 2.5 Pro accepts more context: 1.05M tokens versus 128K.

## Snapshot

| | Gemini 2.5 Pro | GPT-4o mini |
|---|---|---|
| Provider | Google | OpenAI |
| Noometry Index | 44.9 | 25.4 |
| Rank | 67 | 337 |
| Context | 1.05M | 128K |
| Input $/M | $1.25 | $0.15 |
| Output $/M | $10 | $0.60 |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 2.5 Pro: 42.8 (#86)
- GPT-4o mini: 21.6 (#330)

| Benchmark | Gemini 2.5 Pro | GPT-4o mini |
|---|---|---|
| Aider Polyglot | 83.1% | 3.6% |
| WeirdML | 54% | 11.8% |
| LiveBench Coding | 85.9% | 43.1% |
| LMArena Coding | 1452 | 1290 |
| SWE-bench Verified | 57.6% | — |
| SWE-bench Verified (bash only) | 53.6% | — |
| LMArena WebDev | 1227 | — |
| SciCode | 42.8% | — |
| GSO | 3.9% | — |
| BigCodeBench Instruct | — | 46.1% |
| BigCodeBench Complete | — | 57.4% |
| CadEval | 64% | — |
| ALE-Bench | 785.52 | — |
| AlgoTune | 1.51 | — |
| HumanEval+ | — | 83.5% |
| MBPP+ | — | 72.2% |

## Agentic & Tool Use

- Gemini 2.5 Pro: 29.1 (#81)
- GPT-4o mini: 27.2 (#95)

| Benchmark | Gemini 2.5 Pro | GPT-4o mini |
|---|---|---|
| BALROG | 43.3% | 17.4% |
| Terminal-Bench | 32.6% | — |
| GDPval | 23.3% | — |
| Remote Labor Index | 0.8% | — |
| TheAgentCompany | 30.3% | — |
| τ²-bench Banking | 13.7% | — |
| DeepResearch Bench | 42.8% | — |
| LMArena Search | 1142 | — |
| METR Time Horizons | 55.4% | — |
| Vending-Bench 2 | 573.64 | — |

## Reasoning

- Gemini 2.5 Pro: 28.8 (#85)
- GPT-4o mini: 8.7 (#343)

| Benchmark | Gemini 2.5 Pro | GPT-4o mini |
|---|---|---|
| ARC-AGI-2 | 4.9% | 0% |
| SimpleBench | 62.4% | 10.7% |
| Kagi LLM Benchmark | 70.3% | 28.8% |
| Chess Puzzles | 20% | 0% |
| LiveBench Reasoning | 89.8% | 32.8% |
| LMArena Hard Prompts | 1455 | 1267 |
| DTBench | 82.4% | 54.4% |
| LiveBench Data Analysis | 79.9% | 50% |
| LMCA | 34.8% | 10.4% |
| Epoch Capabilities Index | 145.32 | 126.56 |
| LiveBench | 82.3% | 41.3% |
| ARC-AGI-1 | 41% | — |
| CritPt | 2% | — |
| EnigmaEval | 5.6% | — |
| Mystery Game Puzzles | — | 12% |
| ForecastBench | 61.3 | — |
| PIQA | — | 88.7% |

## Math

- Gemini 2.5 Pro: 31.9 (#191)
- GPT-4o mini: 9.9 (#307)

| Benchmark | Gemini 2.5 Pro | GPT-4o mini |
|---|---|---|
| FrontierMath (Tiers 1-3) | 24.6% | 0.7% |
| OTIS Mock AIME 2024-2025 | 84.7% | 6.9% |
| Omni-MATH | 41.6% | 28% |
| LiveBench Math | 90.2% | 36.3% |
| LMArena Math | 1450 | 1267 |
| MATH Level 5 | 95.9% | 52.6% |
| FrontierMath Tier 4 | 0% | — |
| FrontierMath (Feb 2025 set) | 14.1% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |
| GSM8K | — | 91.3% |

## Knowledge

- Gemini 2.5 Pro: 55.8 (#41)
- GPT-4o mini: 17.7 (#279)

| Benchmark | Gemini 2.5 Pro | GPT-4o mini |
|---|---|---|
| GPQA Diamond | 85.3% | 37.7% |
| MMLU-Pro | 86.3% | 60.3% |
| Confabulations | 10.6% | 37.2% |
| GPQA (HELM) | 74.9% | 36.8% |
| LMArena Expert | 1452 | 1235 |
| Humanity's Last Exam | 21.6% | — |
| SimpleQA Verified | — | 8.3% |
| Vectara Hallucination Rate | 7% | — |
| BoolQ | — | 88.7% |
| MMLU | — | 81.8% |

## Multimodal

- Gemini 2.5 Pro: 44.5 (#16)
- GPT-4o mini: 25.3 (#117)

| Benchmark | Gemini 2.5 Pro | GPT-4o mini |
|---|---|---|
| LMArena Vision | 1263 | 1066 |
| GeoBench | 86% | 64% |
| VPCT | 48% | 34% |
| Video-MME | — | 64.8% |
| LMArena Document | 1421 | — |
| SpatialViz-Bench | 44.7% | — |

## Multilingual

- Gemini 2.5 Pro: 55.5 (#30)
- GPT-4o mini: 42.2 (#194)

| Benchmark | Gemini 2.5 Pro | GPT-4o mini |
|---|---|---|
| LMArena Non-English | 1452 | 1266 |
| LMArena Chinese | 1507 | 1264 |
| LMArena French | 1473 | 1296 |
| LMArena German | 1487 | 1272 |
| LMArena Japanese | 1462 | 1216 |
| LMArena Korean | 1435 | 1195 |
| LMArena Russian | 1460 | 1275 |
| LMArena Spanish | 1473 | 1276 |

## Instruction Following

- Gemini 2.5 Pro: 75.2 (#71)
- GPT-4o mini: 62.1 (#234)

| Benchmark | Gemini 2.5 Pro | GPT-4o mini |
|---|---|---|
| LiveBench Instruction Following | 80.6% | 56.8% |
| IFEval | 84% | 78.2% |
| LMArena Instruction Following | 1436 | 1259 |

## Long Context

- Gemini 2.5 Pro: 59.7 (#5)
- GPT-4o mini: 39.1 (#181)

| Benchmark | Gemini 2.5 Pro | GPT-4o mini |
|---|---|---|
| LMArena Longer Query | 1449 | 1289 |
| Fiction.LiveBench | 91.7% | — |

## Writing & Preference

- Gemini 2.5 Pro: 63.9 (#60)
- GPT-4o mini: 39.7 (#243)

| Benchmark | Gemini 2.5 Pro | GPT-4o mini |
|---|---|---|
| LMArena Text | 1458 | 1286 |
| LMArena Creative Writing | 1453 | 1268 |
| Short-Story Creative Writing | 83.8% | 67.2% |
| EQ-Bench Creative Writing | 1421 | 873 |
| WildBench | 85.7% | 79.1% |
| LMArena Multi-Turn | 1453 | 1285 |
| LiveBench Language | 67.8% | 28.6% |

## FAQ

### Is Gemini 2.5 Pro better than GPT-4o mini?

Gemini 2.5 Pro is the stronger model overall, scoring 44.9 to 25.4 on the Noometry Index. GPT-4o mini costs 13× less per token, which makes it the better buy when Gemini 2.5 Pro's lead doesn't matter for your workload.

### Which is cheaper, Gemini 2.5 Pro or GPT-4o mini?

GPT-4o mini is cheaper. It lists at $0.15 per million input tokens and $0.60 per million output tokens; Gemini 2.5 Pro lists at $1.25 and $10.

### Is Gemini 2.5 Pro or GPT-4o mini better for coding?

Gemini 2.5 Pro scores higher on coding benchmarks: 42.8 versus 21.6 in the Noometry coding category.

### Which has the bigger context window?

Gemini 2.5 Pro does, with 1.05M tokens against 128K.

### How many benchmarks do Gemini 2.5 Pro and GPT-4o mini share?

49 benchmarks have published results for both models. Gemini 2.5 Pro has 78 scored results on Noometry and GPT-4o mini has 60.