# Gemma 4 31B IT vs Grok 4.6

> Grok 4.6 is the stronger model overall, scoring 56.8 to 43.2 on the Noometry Index. Gemma 4 31B IT costs 20× less per token, which makes it the better buy when Grok 4.6's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gemma-4-31b-it-vs-grok-4-6
- Last updated: 2026-10-10
- Shared benchmarks: 29

## Summary

- They share 29 benchmarks with published results for both. Gemma 4 31B IT scores higher in 2 categories and Grok 4.6 in 7 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.6 leads 61.3 to 26.4.
- The biggest single-benchmark swing is SimpleQA Verified: 10.4% for Gemma 4 31B IT and 49.3% for Grok 4.6.
- Gemma 4 31B IT is cheaper at $0.09 / $0.34 per million input/output tokens, against $2 / $6 for Grok 4.6.
- Grok 4.6 accepts more context: 500K tokens versus 262K.
- Gemma 4 31B IT has downloadable open weights; the other is API-only.

## Snapshot

| | Gemma 4 31B IT | Grok 4.6 |
|---|---|---|
| Provider | Google | xAI |
| Noometry Index | 43.2 | 56.8 |
| Rank | 85 | 19 |
| Context | 262K | 500K |
| Input $/M | $0.09 | $2 |
| Output $/M | $0.34 | $6 |
| Weights | Open | Proprietary |

## Coding

- Gemma 4 31B IT: 41.9 (#98)
- Grok 4.6: 58.0 (#14)

| Benchmark | Gemma 4 31B IT | Grok 4.6 |
|---|---|---|
| LMArena WebDev | 1364 | 1620 |
| SciCode | 43.4% | 56.5% |
| WeirdML | 52.3% | 67.3% |
| LMArena Coding | 1459 | 1464 |
| ALE-Bench | 925.5 | 1,508 |
| DeepSWE | — | 67.5% |
| FrontierCode | — | 48% |
| CursorBench | — | 41.4% |
| FrontierSWE | — | 25.3% |

## Agentic & Tool Use

- Gemma 4 31B IT: —
- Grok 4.6: 39.4 (#25)

| Benchmark | Gemma 4 31B IT | Grok 4.6 |
|---|---|---|
| APEX-Agents | — | 65.3% |
| GDP.pdf | — | 17.2% |
| Vending-Bench 2 | — | 9,047 |

## Reasoning

- Gemma 4 31B IT: 26.4 (#119)
- Grok 4.6: 61.3 (#18)

| Benchmark | Gemma 4 31B IT | Grok 4.6 |
|---|---|---|
| NYT Connections (extended) | 70.6% | 80% |
| CritPt | 1.4% | 19.7% |
| Chess Puzzles | 5% | 40% |
| LMArena Hard Prompts | 1448 | 1445 |
| DTBench | 82.7% | 97.3% |
| LMCA | 39.3% | 48.5% |
| Epoch Capabilities Index | 142.74 | 156.48 |
| ARC-AGI-2 | — | 67.1% |
| SimpleBench | — | 75.9% |
| Kagi LLM Benchmark | 63.5% | — |
| ARC-AGI-1 | — | 87.5% |
| Thematic Generalization | 53% | — |
| EBR-Bench | — | 30.5% |
| Mystery Game Puzzles | — | 34% |
| Surface Evolver Bench | 30.6% | — |

## Math

- Gemma 4 31B IT: 41.3 (#72)
- Grok 4.6: 66.8 (#19)

| Benchmark | Gemma 4 31B IT | Grok 4.6 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 73.3% | 99.2% |
| LMArena Math | 1464 | 1416 |
| FrontierMath (Tiers 1-3) | — | 66% |
| FrontierMath Tier 4 | — | 31.7% |
| ProofBench | — | 51% |

## Knowledge

- Gemma 4 31B IT: 37.9 (#141)
- Grok 4.6: 63.3 (#18)

| Benchmark | Gemma 4 31B IT | Grok 4.6 |
|---|---|---|
| GPQA Diamond | 75.8% | 94% |
| SimpleQA Verified | 10.4% | 49.3% |
| LMArena Expert | 1465 | 1463 |
| Vectara Hallucination Rate | 7.4% | — |

## Multimodal

- Gemma 4 31B IT: 41.0 (#32)
- Grok 4.6: 43.9 (#18)

| Benchmark | Gemma 4 31B IT | Grok 4.6 |
|---|---|---|
| LMArena Vision | 1278 | 1265 |
| LMArena Document | 1425 | 1452 |
| Blueprint-Bench 2 | — | 33.2% |
| Furniture Assembly | — | 40% |

## Multilingual

- Gemma 4 31B IT: 54.0 (#52)
- Grok 4.6: 53.3 (#67)

| Benchmark | Gemma 4 31B IT | Grok 4.6 |
|---|---|---|
| LMArena Non-English | 1431 | 1422 |
| LMArena Chinese | 1478 | 1479 |
| LMArena French | 1436 | 1458 |
| LMArena Russian | 1462 | 1427 |
| LMArena Spanish | 1443 | 1408 |
| LMArena German | — | 1425 |
| LMArena Japanese | — | 1383 |
| LMArena Korean | — | 1395 |

## Instruction Following

- Gemma 4 31B IT: 75.6 (#58)
- Grok 4.6: 75.6 (#59)

| Benchmark | Gemma 4 31B IT | Grok 4.6 |
|---|---|---|
| LMArena Instruction Following | 1433 | 1431 |

## Long Context

- Gemma 4 31B IT: 44.2 (#67)
- Grok 4.6: 44.4 (#62)

| Benchmark | Gemma 4 31B IT | Grok 4.6 |
|---|---|---|
| LMArena Longer Query | 1446 | 1453 |

## Writing & Preference

- Gemma 4 31B IT: 60.7 (#92)
- Grok 4.6: 62.5 (#77)

| Benchmark | Gemma 4 31B IT | Grok 4.6 |
|---|---|---|
| LMArena Text | 1443 | 1427 |
| LMArena Creative Writing | 1416 | 1430 |
| LMArena Multi-Turn | 1452 | 1422 |
| EQ-Bench Creative Writing | 1368 | — |
| EQ-Bench 4 | 1120 | — |

## FAQ

### Is Gemma 4 31B IT better than Grok 4.6?

Grok 4.6 is the stronger model overall, scoring 56.8 to 43.2 on the Noometry Index. Gemma 4 31B IT costs 20× less per token, which makes it the better buy when Grok 4.6's lead doesn't matter for your workload.

### Which is cheaper, Gemma 4 31B IT or Grok 4.6?

Gemma 4 31B IT is cheaper. It lists at $0.09 per million input tokens and $0.34 per million output tokens; Grok 4.6 lists at $2 and $6.

### Is Gemma 4 31B IT or Grok 4.6 better for coding?

Grok 4.6 scores higher on coding benchmarks: 58.0 versus 41.9 in the Noometry coding category.

### Which has the bigger context window?

Grok 4.6 does, with 500K tokens against 262K.

### How many benchmarks do Gemma 4 31B IT and Grok 4.6 share?

29 benchmarks have published results for both models. Gemma 4 31B IT has 35 scored results on Noometry and Grok 4.6 has 49.