# Chatgpt 4o Latest 20250326 vs Gemma 4 31B IT

> Chatgpt 4o Latest 20250326 and Gemma 4 31B IT score almost the same on the Noometry Index (43.2 vs 43.2), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/chatgpt-4o-vs-gemma-4-31b-it
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Chatgpt 4o Latest 20250326 scores higher in 3 categories and Gemma 4 31B IT in 6 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Chatgpt 4o Latest 20250326 leads 32.8 to 26.4.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 75% for Chatgpt 4o Latest 20250326 and 63.5% for Gemma 4 31B IT.
- Gemma 4 31B IT has downloadable open weights; the other is API-only.

## Snapshot

| | Chatgpt 4o Latest 20250326 | Gemma 4 31B IT |
|---|---|---|
| Provider | OpenAI | Google |
| Noometry Index | 43.2 | 43.2 |
| Rank | 84 | 85 |
| Context | — | 262K |
| Input $/M | — | $0.09 |
| Output $/M | — | $0.34 |
| Weights | Proprietary | Open |

## Coding

- Chatgpt 4o Latest 20250326: 41.0 (#122)
- Gemma 4 31B IT: 41.9 (#98)

| Benchmark | Chatgpt 4o Latest 20250326 | Gemma 4 31B IT |
|---|---|---|
| LMArena Coding | 1413 | 1459 |
| LMArena WebDev | — | 1364 |
| SciCode | — | 43.4% |
| WeirdML | — | 52.3% |
| ALE-Bench | — | 925.5 |

## Reasoning

- Chatgpt 4o Latest 20250326: 32.8 (#64)
- Gemma 4 31B IT: 26.4 (#119)

| Benchmark | Chatgpt 4o Latest 20250326 | Gemma 4 31B IT |
|---|---|---|
| Kagi LLM Benchmark | 75% | 63.5% |
| LMArena Hard Prompts | 1424 | 1448 |
| NYT Connections (extended) | — | 70.6% |
| CritPt | — | 1.4% |
| Chess Puzzles | — | 5% |
| Thematic Generalization | — | 53% |
| DTBench | — | 82.7% |
| LMCA | — | 39.3% |
| Surface Evolver Bench | — | 30.6% |
| Epoch Capabilities Index | — | 142.74 |

## Math

- Chatgpt 4o Latest 20250326: 35.8 (#134)
- Gemma 4 31B IT: 41.3 (#72)

| Benchmark | Chatgpt 4o Latest 20250326 | Gemma 4 31B IT |
|---|---|---|
| LMArena Math | 1407 | 1464 |
| OTIS Mock AIME 2024-2025 | — | 73.3% |

## Knowledge

- Chatgpt 4o Latest 20250326: 38.7 (#131)
- Gemma 4 31B IT: 37.9 (#141)

| Benchmark | Chatgpt 4o Latest 20250326 | Gemma 4 31B IT |
|---|---|---|
| LMArena Expert | 1400 | 1465 |
| GPQA Diamond | — | 75.8% |
| SimpleQA Verified | — | 10.4% |
| Confabulations | 16.6% | — |
| Vectara Hallucination Rate | — | 7.4% |

## Multimodal

- Chatgpt 4o Latest 20250326: 38.9 (#54)
- Gemma 4 31B IT: 41.0 (#32)

| Benchmark | Chatgpt 4o Latest 20250326 | Gemma 4 31B IT |
|---|---|---|
| LMArena Vision | 1243 | 1278 |
| LMArena Document | — | 1425 |

## Multilingual

- Chatgpt 4o Latest 20250326: 53.1 (#72)
- Gemma 4 31B IT: 54.0 (#52)

| Benchmark | Chatgpt 4o Latest 20250326 | Gemma 4 31B IT |
|---|---|---|
| LMArena Non-English | 1419 | 1431 |
| LMArena Chinese | 1456 | 1478 |
| LMArena French | 1447 | 1436 |
| LMArena Russian | 1429 | 1462 |
| LMArena Spanish | 1435 | 1443 |
| LMArena German | 1424 | — |
| LMArena Japanese | 1406 | — |
| LMArena Korean | 1397 | — |

## Instruction Following

- Chatgpt 4o Latest 20250326: 74.2 (#102)
- Gemma 4 31B IT: 75.6 (#58)

| Benchmark | Chatgpt 4o Latest 20250326 | Gemma 4 31B IT |
|---|---|---|
| LMArena Instruction Following | 1403 | 1433 |

## Long Context

- Chatgpt 4o Latest 20250326: 43.1 (#104)
- Gemma 4 31B IT: 44.2 (#67)

| Benchmark | Chatgpt 4o Latest 20250326 | Gemma 4 31B IT |
|---|---|---|
| LMArena Longer Query | 1413 | 1446 |

## Writing & Preference

- Chatgpt 4o Latest 20250326: 62.8 (#68)
- Gemma 4 31B IT: 60.7 (#92)

| Benchmark | Chatgpt 4o Latest 20250326 | Gemma 4 31B IT |
|---|---|---|
| LMArena Text | 1429 | 1443 |
| LMArena Creative Writing | 1406 | 1416 |
| EQ-Bench Creative Writing | 1501 | 1368 |
| LMArena Multi-Turn | 1454 | 1452 |
| EQ-Bench 4 | — | 1120 |

## FAQ

### Is Chatgpt 4o Latest 20250326 better than Gemma 4 31B IT?

Chatgpt 4o Latest 20250326 and Gemma 4 31B IT score almost the same on the Noometry Index (43.2 vs 43.2), so choose on price, context window or the category you care about most.

### Is Chatgpt 4o Latest 20250326 or Gemma 4 31B IT better for coding?

They score almost the same on coding (41.0 vs 41.9); test both on your own repository before choosing.

### How many benchmarks do Chatgpt 4o Latest 20250326 and Gemma 4 31B IT share?

17 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and Gemma 4 31B IT has 35.
