# DeepSeek-V3.1 vs Gemma 4 31B IT

> DeepSeek-V3.1 and Gemma 4 31B IT score almost the same on the Noometry Index (42.2 vs 43.2), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/deepseek-v3-1-vs-gemma-4-31b-it
- Last updated: 2026-10-10
- Shared benchmarks: 21

## Summary

- They share 21 benchmarks with published results for both. DeepSeek-V3.1 scores higher in 2 categories and Gemma 4 31B IT in 6 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in long context, where Gemma 4 31B IT leads 44.2 to 36.3.
- The biggest single-benchmark swing is LMCA: 24.3% for DeepSeek-V3.1 and 39.3% for Gemma 4 31B IT.
- Gemma 4 31B IT is cheaper at $0.09 / $0.34 per million input/output tokens, against $0.25 / $0.95 for DeepSeek-V3.1.
- Gemma 4 31B IT accepts more context: 262K tokens versus 164K.

## Snapshot

| | DeepSeek-V3.1 | Gemma 4 31B IT |
|---|---|---|
| Provider | DeepSeek | Google |
| Noometry Index | 42.2 | 43.2 |
| Rank | 106 | 85 |
| Context | 164K | 262K |
| Input $/M | $0.25 | $0.09 |
| Output $/M | $0.95 | $0.34 |
| Weights | Open | Open |

## Coding

- DeepSeek-V3.1: 39.8 (#140)
- Gemma 4 31B IT: 41.9 (#98)

| Benchmark | DeepSeek-V3.1 | Gemma 4 31B IT |
|---|---|---|
| WeirdML | 38.4% | 52.3% |
| LMArena Coding | 1417 | 1459 |
| LMArena WebDev | — | 1364 |
| SciCode | — | 43.4% |
| ALE-Bench | — | 925.5 |

## Reasoning

- DeepSeek-V3.1: 27.3 (#109)
- Gemma 4 31B IT: 26.4 (#119)

| Benchmark | DeepSeek-V3.1 | Gemma 4 31B IT |
|---|---|---|
| Kagi LLM Benchmark | 53.2% | 63.5% |
| LMArena Hard Prompts | 1417 | 1448 |
| DTBench | 82.7% | 82.7% |
| LMCA | 24.3% | 39.3% |
| Epoch Capabilities Index | 139.92 | 142.74 |
| SimpleBench | 40% | — |
| NYT Connections (extended) | — | 70.6% |
| CritPt | — | 1.4% |
| Chess Puzzles | — | 5% |
| Thematic Generalization | — | 53% |
| Surface Evolver Bench | — | 30.6% |
| ForecastBench | 58 | — |

## Math

- DeepSeek-V3.1: 36.1 (#125)
- Gemma 4 31B IT: 41.3 (#72)

| Benchmark | DeepSeek-V3.1 | Gemma 4 31B IT |
|---|---|---|
| LMArena Math | 1420 | 1464 |
| OTIS Mock AIME 2024-2025 | — | 73.3% |

## Knowledge

- DeepSeek-V3.1: 43.0 (#86)
- Gemma 4 31B IT: 37.9 (#141)

| Benchmark | DeepSeek-V3.1 | Gemma 4 31B IT |
|---|---|---|
| Vectara Hallucination Rate | 5.5% | 7.4% |
| LMArena Expert | 1403 | 1465 |
| GPQA Diamond | — | 75.8% |
| SimpleQA Verified | — | 10.4% |

## Multimodal

- DeepSeek-V3.1: —
- Gemma 4 31B IT: 41.0 (#32)

| Benchmark | DeepSeek-V3.1 | Gemma 4 31B IT |
|---|---|---|
| LMArena Vision | — | 1278 |
| LMArena Document | — | 1425 |

## Multilingual

- DeepSeek-V3.1: 51.8 (#100)
- Gemma 4 31B IT: 54.0 (#52)

| Benchmark | DeepSeek-V3.1 | Gemma 4 31B IT |
|---|---|---|
| LMArena Non-English | 1400 | 1431 |
| LMArena Chinese | 1470 | 1478 |
| LMArena French | 1447 | 1436 |
| LMArena Russian | 1405 | 1462 |
| LMArena Spanish | 1429 | 1443 |
| LMArena German | 1412 | — |
| LMArena Japanese | 1374 | — |
| LMArena Korean | 1337 | — |

## Instruction Following

- DeepSeek-V3.1: 74.1 (#105)
- Gemma 4 31B IT: 75.6 (#58)

| Benchmark | DeepSeek-V3.1 | Gemma 4 31B IT |
|---|---|---|
| LMArena Instruction Following | 1400 | 1433 |

## Long Context

- DeepSeek-V3.1: 36.3 (#227)
- Gemma 4 31B IT: 44.2 (#67)

| Benchmark | DeepSeek-V3.1 | Gemma 4 31B IT |
|---|---|---|
| LMArena Longer Query | 1422 | 1446 |
| Fiction.LiveBench | 52.8% | — |

## Writing & Preference

- DeepSeek-V3.1: 60.5 (#93)
- Gemma 4 31B IT: 60.7 (#92)

| Benchmark | DeepSeek-V3.1 | Gemma 4 31B IT |
|---|---|---|
| LMArena Text | 1420 | 1443 |
| LMArena Creative Writing | 1401 | 1416 |
| EQ-Bench Creative Writing | 1436 | 1368 |
| LMArena Multi-Turn | 1408 | 1452 |
| EQ-Bench 4 | — | 1120 |

## FAQ

### Is DeepSeek-V3.1 better than Gemma 4 31B IT?

DeepSeek-V3.1 and Gemma 4 31B IT score almost the same on the Noometry Index (42.2 vs 43.2), so choose on price, context window or the category you care about most.

### Which is cheaper, DeepSeek-V3.1 or Gemma 4 31B IT?

Gemma 4 31B IT is cheaper. It lists at $0.09 per million input tokens and $0.34 per million output tokens; DeepSeek-V3.1 lists at $0.25 and $0.95.

### Is DeepSeek-V3.1 or Gemma 4 31B IT better for coding?

Gemma 4 31B IT scores higher on coding benchmarks: 41.9 versus 39.8 in the Noometry coding category.

### Which has the bigger context window?

Gemma 4 31B IT does, with 262K tokens against 164K.

### How many benchmarks do DeepSeek-V3.1 and Gemma 4 31B IT share?

21 benchmarks have published results for both models. DeepSeek-V3.1 has 27 scored results on Noometry and Gemma 4 31B IT has 35.