# Chatgpt 4o Latest 20250326 vs GPT-4.1

> Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.2 to 35.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/chatgpt-4o-vs-gpt-4-1
- Last updated: 2026-10-10
- Shared benchmarks: 20

## Summary

- They share 20 benchmarks with published results for both. Chatgpt 4o Latest 20250326 scores higher in 9 categories and GPT-4.1 in 0 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Chatgpt 4o Latest 20250326 leads 32.8 to 11.7.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 75% for Chatgpt 4o Latest 20250326 and 52.3% for GPT-4.1.

## Snapshot

| | Chatgpt 4o Latest 20250326 | GPT-4.1 |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Noometry Index | 43.2 | 35.7 |
| Rank | 84 | 215 |
| Context | — | 1.05M |
| Input $/M | — | $2 |
| Output $/M | — | $8 |
| Weights | Proprietary | Proprietary |

## Coding

- Chatgpt 4o Latest 20250326: 41.0 (#122)
- GPT-4.1: 34.2 (#228)

| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4.1 |
|---|---|---|
| LMArena Coding | 1413 | 1391 |
| SWE-bench Verified | — | 48.5% |
| SWE-bench Verified (bash only) | — | 39.6% |
| Aider Polyglot | — | 52.4% |
| WeirdML | — | 39% |
| CadEval | — | 42% |
| ALE-Bench | — | 558.1 |

## Agentic & Tool Use

- Chatgpt 4o Latest 20250326: —
- GPT-4.1: 34.4 (#40)

| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4.1 |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 54% |

## Reasoning

- Chatgpt 4o Latest 20250326: 32.8 (#64)
- GPT-4.1: 11.7 (#334)

| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4.1 |
|---|---|---|
| Kagi LLM Benchmark | 75% | 52.3% |
| LMArena Hard Prompts | 1424 | 1384 |
| ARC-AGI-2 | — | 0.4% |
| SimpleBench | — | 27% |
| ARC-AGI-1 | — | 5.5% |
| Chess Puzzles | — | 6% |
| EnigmaEval | — | 2.2% |
| DTBench | — | 68.3% |
| LMCA | — | 25.6% |
| Epoch Capabilities Index | — | 136.79 |
| ForecastBench | — | 61.5 |

## Math

- Chatgpt 4o Latest 20250326: 35.8 (#134)
- GPT-4.1: 21.4 (#269)

| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4.1 |
|---|---|---|
| LMArena Math | 1407 | 1369 |
| FrontierMath (Tiers 1-3) | — | 6% |
| OTIS Mock AIME 2024-2025 | — | 38.3% |
| Omni-MATH | — | 47.1% |
| MATH Level 5 | — | 83% |
| FrontierMath (Feb 2025 set) | — | 5.5% |
| FrontierMath Tier 4 (v1) | — | 0% |

## Knowledge

- Chatgpt 4o Latest 20250326: 38.7 (#131)
- GPT-4.1: 37.0 (#152)

| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4.1 |
|---|---|---|
| LMArena Expert | 1400 | 1364 |
| GPQA Diamond | — | 66.9% |
| Humanity's Last Exam | — | 5.4% |
| SimpleQA Verified | — | 31.1% |
| MMLU-Pro | — | 81.1% |
| Confabulations | 16.6% | — |
| Vectara Hallucination Rate | — | 5.6% |
| GPQA (HELM) | — | 65.9% |

## Multimodal

- Chatgpt 4o Latest 20250326: 38.9 (#54)
- GPT-4.1: 37.5 (#66)

| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4.1 |
|---|---|---|
| LMArena Vision | 1243 | 1210 |
| GeoBench | — | 72% |

## Multilingual

- Chatgpt 4o Latest 20250326: 53.1 (#72)
- GPT-4.1: 49.6 (#128)

| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4.1 |
|---|---|---|
| LMArena Non-English | 1419 | 1370 |
| LMArena Chinese | 1456 | 1382 |
| LMArena French | 1447 | 1383 |
| LMArena German | 1424 | 1380 |
| LMArena Japanese | 1406 | 1320 |
| LMArena Korean | 1397 | 1339 |
| LMArena Russian | 1429 | 1377 |
| LMArena Spanish | 1435 | 1375 |

## Instruction Following

- Chatgpt 4o Latest 20250326: 74.2 (#102)
- GPT-4.1: 71.5 (#148)

| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4.1 |
|---|---|---|
| LMArena Instruction Following | 1403 | 1367 |
| IFEval | — | 83.8% |

## Long Context

- Chatgpt 4o Latest 20250326: 43.1 (#104)
- GPT-4.1: 40.0 (#158)

| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4.1 |
|---|---|---|
| LMArena Longer Query | 1413 | 1385 |
| Fiction.LiveBench | — | 63.9% |

## Writing & Preference

- Chatgpt 4o Latest 20250326: 62.8 (#68)
- GPT-4.1: 57.8 (#120)

| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4.1 |
|---|---|---|
| LMArena Text | 1429 | 1383 |
| LMArena Creative Writing | 1406 | 1363 |
| EQ-Bench Creative Writing | 1501 | 1420 |
| LMArena Multi-Turn | 1454 | 1398 |
| WildBench | — | 85.4% |

## FAQ

### Is Chatgpt 4o Latest 20250326 better than GPT-4.1?

Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.2 to 35.7 on the Noometry Index.

### Is Chatgpt 4o Latest 20250326 or GPT-4.1 better for coding?

Chatgpt 4o Latest 20250326 scores higher on coding benchmarks: 41.0 versus 34.2 in the Noometry coding category.

### How many benchmarks do Chatgpt 4o Latest 20250326 and GPT-4.1 share?

20 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and GPT-4.1 has 52.