# Gemma 4 31B IT vs GPT-5.4 Pro

> GPT-5.4 Pro is the stronger model overall, scoring 58.9 to 43.5 on the Noometry Index. Gemma 4 31B IT costs 443× less per token, which makes it the better buy when GPT-5.4 Pro's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gemma-4-31b-it-vs-gpt-5-4-pro
- Last updated: 2026-10-12
- Shared benchmarks: 7

## Summary

- They share 7 benchmarks with published results for both. Gemma 4 31B IT scores higher in 0 categories and GPT-5.4 Pro in 4 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where GPT-5.4 Pro leads 70.7 to 27.2.
- The biggest single-benchmark swing is Chess Puzzles: 5% for Gemma 4 31B IT and 58.6% for GPT-5.4 Pro.
- Gemma 4 31B IT is cheaper at $0.09 / $0.34 per million input/output tokens, against $30 / $180 for GPT-5.4 Pro.
- GPT-5.4 Pro accepts more context: 1.05M tokens versus 262K.
- Gemma 4 31B IT has downloadable open weights; the other is API-only.

## Snapshot

| | Gemma 4 31B IT | GPT-5.4 Pro |
|---|---|---|
| Provider | Google | OpenAI |
| Noometry Index | 43.5 | 58.9 |
| Rank | 90 | 18 |
| Context | 262K | 1.05M |
| Input $/M | $0.09 | $30 |
| Output $/M | $0.34 | $180 |
| Weights | Open | Proprietary |

## Coding

- Gemma 4 31B IT: 42.3 (#108)
- GPT-5.4 Pro: 43.2 (#90)

| Benchmark | Gemma 4 31B IT | GPT-5.4 Pro |
|---|---|---|
| WeirdML | 52.3% | 57.4% |
| LMArena WebDev | 1366 | — |
| SciCode | 43.4% | — |
| LMArena Coding | 1459 | — |
| ALE-Bench | 925.5 | — |

## Reasoning

- Gemma 4 31B IT: 27.2 (#122)
- GPT-5.4 Pro: 70.7 (#13)

| Benchmark | Gemma 4 31B IT | GPT-5.4 Pro |
|---|---|---|
| CritPt | 1.4% | 30% |
| Chess Puzzles | 5% | 58.6% |
| Epoch Capabilities Index | 142.74 | 158.93 |
| ARC-AGI-2 | — | 83.3% |
| SimpleBench | — | 74.1% |
| Kagi LLM Benchmark | 63.5% | — |
| NYT Connections (extended) | 70.6% | — |
| ARC-AGI-1 | — | 94.5% |
| EnigmaEval | — | 23.8% |
| Thematic Generalization | 53% | — |
| LMArena Hard Prompts | 1448 | — |
| DTBench | 82.7% | — |
| LMCA | 39.3% | — |
| Surface Evolver Bench | 30.6% | — |

## Math

- Gemma 4 31B IT: 43.2 (#81)
- GPT-5.4 Pro: 72.4 (#22)

| Benchmark | Gemma 4 31B IT | GPT-5.4 Pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 82.5% |
| FrontierMath Tier 4 | — | 58.5% |
| OTIS Mock AIME 2024-2025 | 73.3% | — |
| LMArena Math | 1465 | — |
| FrontierMath (Feb 2025 set) | — | 50% |
| FrontierMath Tier 4 (v1) | — | 37.5% |

## Knowledge

- Gemma 4 31B IT: 37.9 (#151)
- GPT-5.4 Pro: 68.3 (#7)

| Benchmark | Gemma 4 31B IT | GPT-5.4 Pro |
|---|---|---|
| GPQA Diamond | 75.8% | 94.6% |
| SimpleQA Verified | 10.4% | 46.3% |
| Vectara Hallucination Rate | 7.4% | 8.3% |
| Humanity's Last Exam | — | 44.3% |
| LMArena Expert | 1465 | — |

## Multimodal

- Gemma 4 31B IT: 41.6 (#34)
- GPT-5.4 Pro: —

| Benchmark | Gemma 4 31B IT | GPT-5.4 Pro |
|---|---|---|
| LMArena Vision | 1277 | — |
| LMArena Document | 1425 | — |

## Multilingual

- Gemma 4 31B IT: 53.8 (#57)
- GPT-5.4 Pro: —

| Benchmark | Gemma 4 31B IT | GPT-5.4 Pro |
|---|---|---|
| LMArena Non-English | 1431 | — |
| LMArena Chinese | 1476 | — |
| LMArena French | 1435 | — |
| LMArena Russian | 1460 | — |
| LMArena Spanish | 1444 | — |

## Instruction Following

- Gemma 4 31B IT: 75.5 (#61)
- GPT-5.4 Pro: —

| Benchmark | Gemma 4 31B IT | GPT-5.4 Pro |
|---|---|---|
| LMArena Instruction Following | 1433 | — |

## Long Context

- Gemma 4 31B IT: 44.2 (#71)
- GPT-5.4 Pro: —

| Benchmark | Gemma 4 31B IT | GPT-5.4 Pro |
|---|---|---|
| LMArena Longer Query | 1446 | — |

## Writing & Preference

- Gemma 4 31B IT: 60.5 (#96)
- GPT-5.4 Pro: —

| Benchmark | Gemma 4 31B IT | GPT-5.4 Pro |
|---|---|---|
| LMArena Text | 1443 | — |
| LMArena Creative Writing | 1415 | — |
| EQ-Bench Creative Writing | 1368 | — |
| EQ-Bench 4 | 1120 | — |
| LMArena Multi-Turn | 1452 | — |

## FAQ

### Is Gemma 4 31B IT better than GPT-5.4 Pro?

GPT-5.4 Pro is the stronger model overall, scoring 58.9 to 43.5 on the Noometry Index. Gemma 4 31B IT costs 443× less per token, which makes it the better buy when GPT-5.4 Pro's lead doesn't matter for your workload.

### Which is cheaper, Gemma 4 31B IT or GPT-5.4 Pro?

Gemma 4 31B IT is cheaper. It lists at $0.09 per million input tokens and $0.34 per million output tokens; GPT-5.4 Pro lists at $30 and $180.

### Is Gemma 4 31B IT or GPT-5.4 Pro better for coding?

They score almost the same on coding (42.3 vs 43.2); test both on your own repository before choosing.

### Which has the bigger context window?

GPT-5.4 Pro does, with 1.05M tokens against 262K.

### How many benchmarks do Gemma 4 31B IT and GPT-5.4 Pro share?

7 benchmarks have published results for both models. Gemma 4 31B IT has 35 scored results on Noometry and GPT-5.4 Pro has 16.