# Chatgpt 4o Latest 20250326 vs Step 5 Preview

> Chatgpt 4o Latest 20250326 and Step 5 Preview score almost the same on the Noometry Index (43.2 vs 43.8), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/chatgpt-4o-vs-step-5-preview
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in coding, where Step 5 Preview leads 50.6 to 41.0.

## Snapshot

| | Chatgpt 4o Latest 20250326 | Step 5 Preview |
|---|---|---|
| Provider | OpenAI | StepFun |
| Noometry Index | 43.2 | 43.8 |
| Rank | 84 | 78 |
| Context | — | 1.02M |
| Input $/M | — | $1 |
| Output $/M | — | $2.70 |
| Weights | Proprietary | Proprietary |

## Coding

- Chatgpt 4o Latest 20250326: 41.0 (#122)
- Step 5 Preview: 50.6 (#40)

| Benchmark | Chatgpt 4o Latest 20250326 | Step 5 Preview |
|---|---|---|
| LMArena WebDev | — | 1569 |
| SciCode | — | 58.9% |
| LMArena Coding | 1413 | — |

## Reasoning

- Chatgpt 4o Latest 20250326: 32.8 (#64)
- Step 5 Preview: 38.0 (#58)

| Benchmark | Chatgpt 4o Latest 20250326 | Step 5 Preview |
|---|---|---|
| Kagi LLM Benchmark | 75% | — |
| CritPt | — | 20.9% |
| LMArena Hard Prompts | 1424 | — |

## Math

- Chatgpt 4o Latest 20250326: 35.8 (#134)
- Step 5 Preview: —

| Benchmark | Chatgpt 4o Latest 20250326 | Step 5 Preview |
|---|---|---|
| LMArena Math | 1407 | — |

## Knowledge

- Chatgpt 4o Latest 20250326: 38.7 (#131)
- Step 5 Preview: —

| Benchmark | Chatgpt 4o Latest 20250326 | Step 5 Preview |
|---|---|---|
| Confabulations | 16.6% | — |
| LMArena Expert | 1400 | — |

## Multimodal

- Chatgpt 4o Latest 20250326: 38.9 (#54)
- Step 5 Preview: —

| Benchmark | Chatgpt 4o Latest 20250326 | Step 5 Preview |
|---|---|---|
| LMArena Vision | 1243 | — |

## Multilingual

- Chatgpt 4o Latest 20250326: 53.1 (#72)
- Step 5 Preview: —

| Benchmark | Chatgpt 4o Latest 20250326 | Step 5 Preview |
|---|---|---|
| LMArena Non-English | 1419 | — |
| LMArena Chinese | 1456 | — |
| LMArena French | 1447 | — |
| LMArena German | 1424 | — |
| LMArena Japanese | 1406 | — |
| LMArena Korean | 1397 | — |
| LMArena Russian | 1429 | — |
| LMArena Spanish | 1435 | — |

## Instruction Following

- Chatgpt 4o Latest 20250326: 74.2 (#102)
- Step 5 Preview: —

| Benchmark | Chatgpt 4o Latest 20250326 | Step 5 Preview |
|---|---|---|
| LMArena Instruction Following | 1403 | — |

## Long Context

- Chatgpt 4o Latest 20250326: 43.1 (#104)
- Step 5 Preview: —

| Benchmark | Chatgpt 4o Latest 20250326 | Step 5 Preview |
|---|---|---|
| LMArena Longer Query | 1413 | — |

## Writing & Preference

- Chatgpt 4o Latest 20250326: 62.8 (#68)
- Step 5 Preview: —

| Benchmark | Chatgpt 4o Latest 20250326 | Step 5 Preview |
|---|---|---|
| LMArena Text | 1429 | — |
| LMArena Creative Writing | 1406 | — |
| EQ-Bench Creative Writing | 1501 | — |
| LMArena Multi-Turn | 1454 | — |

## FAQ

### Is Chatgpt 4o Latest 20250326 better than Step 5 Preview?

Chatgpt 4o Latest 20250326 and Step 5 Preview score almost the same on the Noometry Index (43.2 vs 43.8), so choose on price, context window or the category you care about most.

### Is Chatgpt 4o Latest 20250326 or Step 5 Preview better for coding?

Step 5 Preview scores higher on coding benchmarks: 50.6 versus 41.0 in the Noometry coding category.

### How many benchmarks do Chatgpt 4o Latest 20250326 and Step 5 Preview share?

0 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and Step 5 Preview has 3.