# Chatgpt 4o Latest 20250326 vs GPT-4o mini

> Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.2 to 25.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/chatgpt-4o-vs-gpt-4o-mini
- Last updated: 2026-10-10
- Shared benchmarks: 21

## Summary

- They share 21 benchmarks with published results for both. Chatgpt 4o Latest 20250326 scores higher in 9 categories and GPT-4o mini in 0 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in math, where Chatgpt 4o Latest 20250326 leads 35.8 to 9.9.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 75% for Chatgpt 4o Latest 20250326 and 28.8% for GPT-4o mini.

## Snapshot

| | Chatgpt 4o Latest 20250326 | GPT-4o mini |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Noometry Index | 43.2 | 25.4 |
| Rank | 84 | 337 |
| Context | — | 128K |
| Input $/M | — | $0.15 |
| Output $/M | — | $0.60 |
| Weights | Proprietary | Proprietary |

## Coding

- Chatgpt 4o Latest 20250326: 41.0 (#122)
- GPT-4o mini: 21.6 (#330)

| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4o mini |
|---|---|---|
| LMArena Coding | 1413 | 1290 |
| Aider Polyglot | — | 3.6% |
| WeirdML | — | 11.8% |
| BigCodeBench Instruct | — | 46.1% |
| LiveBench Coding | — | 43.1% |
| BigCodeBench Complete | — | 57.4% |
| HumanEval+ | — | 83.5% |
| MBPP+ | — | 72.2% |

## Agentic & Tool Use

- Chatgpt 4o Latest 20250326: —
- GPT-4o mini: 27.2 (#95)

| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4o mini |
|---|---|---|
| BALROG | — | 17.4% |

## Reasoning

- Chatgpt 4o Latest 20250326: 32.8 (#64)
- GPT-4o mini: 8.7 (#343)

| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4o mini |
|---|---|---|
| Kagi LLM Benchmark | 75% | 28.8% |
| LMArena Hard Prompts | 1424 | 1267 |
| ARC-AGI-2 | — | 0% |
| SimpleBench | — | 10.7% |
| Chess Puzzles | — | 0% |
| LiveBench Reasoning | — | 32.8% |
| Mystery Game Puzzles | — | 12% |
| DTBench | — | 54.4% |
| LiveBench Data Analysis | — | 50% |
| LMCA | — | 10.4% |
| Epoch Capabilities Index | — | 126.56 |
| LiveBench | — | 41.3% |
| PIQA | — | 88.7% |

## Math

- Chatgpt 4o Latest 20250326: 35.8 (#134)
- GPT-4o mini: 9.9 (#307)

| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4o mini |
|---|---|---|
| LMArena Math | 1407 | 1267 |
| FrontierMath (Tiers 1-3) | — | 0.7% |
| OTIS Mock AIME 2024-2025 | — | 6.9% |
| Omni-MATH | — | 28% |
| LiveBench Math | — | 36.3% |
| MATH Level 5 | — | 52.6% |
| GSM8K | — | 91.3% |

## Knowledge

- Chatgpt 4o Latest 20250326: 38.7 (#131)
- GPT-4o mini: 17.7 (#279)

| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4o mini |
|---|---|---|
| Confabulations | 16.6% | 37.2% |
| LMArena Expert | 1400 | 1235 |
| GPQA Diamond | — | 37.7% |
| SimpleQA Verified | — | 8.3% |
| MMLU-Pro | — | 60.3% |
| GPQA (HELM) | — | 36.8% |
| BoolQ | — | 88.7% |
| MMLU | — | 81.8% |

## Multimodal

- Chatgpt 4o Latest 20250326: 38.9 (#54)
- GPT-4o mini: 25.3 (#117)

| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4o mini |
|---|---|---|
| LMArena Vision | 1243 | 1066 |
| Video-MME | — | 64.8% |
| GeoBench | — | 64% |
| VPCT | — | 34% |

## Multilingual

- Chatgpt 4o Latest 20250326: 53.1 (#72)
- GPT-4o mini: 42.2 (#194)

| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4o mini |
|---|---|---|
| LMArena Non-English | 1419 | 1266 |
| LMArena Chinese | 1456 | 1264 |
| LMArena French | 1447 | 1296 |
| LMArena German | 1424 | 1272 |
| LMArena Japanese | 1406 | 1216 |
| LMArena Korean | 1397 | 1195 |
| LMArena Russian | 1429 | 1275 |
| LMArena Spanish | 1435 | 1276 |

## Instruction Following

- Chatgpt 4o Latest 20250326: 74.2 (#102)
- GPT-4o mini: 62.1 (#234)

| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4o mini |
|---|---|---|
| LMArena Instruction Following | 1403 | 1259 |
| LiveBench Instruction Following | — | 56.8% |
| IFEval | — | 78.2% |

## Long Context

- Chatgpt 4o Latest 20250326: 43.1 (#104)
- GPT-4o mini: 39.1 (#181)

| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4o mini |
|---|---|---|
| LMArena Longer Query | 1413 | 1289 |

## Writing & Preference

- Chatgpt 4o Latest 20250326: 62.8 (#68)
- GPT-4o mini: 39.7 (#243)

| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4o mini |
|---|---|---|
| LMArena Text | 1429 | 1286 |
| LMArena Creative Writing | 1406 | 1268 |
| EQ-Bench Creative Writing | 1501 | 873 |
| LMArena Multi-Turn | 1454 | 1285 |
| Short-Story Creative Writing | — | 67.2% |
| WildBench | — | 79.1% |
| LiveBench Language | — | 28.6% |

## FAQ

### Is Chatgpt 4o Latest 20250326 better than GPT-4o mini?

Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.2 to 25.4 on the Noometry Index.

### Is Chatgpt 4o Latest 20250326 or GPT-4o mini better for coding?

Chatgpt 4o Latest 20250326 scores higher on coding benchmarks: 41.0 versus 21.6 in the Noometry coding category.

### How many benchmarks do Chatgpt 4o Latest 20250326 and GPT-4o mini share?

21 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and GPT-4o mini has 60.