# Gemma 4 31B IT vs Grok 4.7

> Grok 4.7 is the stronger model overall, scoring 53.1 to 43.5 on the Noometry Index. Gemma 4 31B IT costs 20× less per token, which makes it the better buy when Grok 4.7's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gemma-4-31b-it-vs-grok-4-7
- Last updated: 2026-10-12
- Shared benchmarks: 27

## Summary

- They share 27 benchmarks with published results for both. Gemma 4 31B IT scores higher in 4 categories and Grok 4.7 in 5 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Grok 4.7 leads 62.8 to 37.9.
- The biggest single-benchmark swing is SimpleQA Verified: 10.4% for Gemma 4 31B IT and 56% for Grok 4.7.
- Gemma 4 31B IT is cheaper at $0.09 / $0.34 per million input/output tokens, against $2 / $6 for Grok 4.7.
- Grok 4.7 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 4.7 |
|---|---|---|
| Provider | Google | xAI |
| Noometry Index | 43.5 | 53.1 |
| Rank | 90 | 37 |
| Context | 262K | 500K |
| Input $/M | $0.09 | $2 |
| Output $/M | $0.34 | $6 |
| Weights | Open | Proprietary |

## Coding

- Gemma 4 31B IT: 42.3 (#108)
- Grok 4.7: 58.0 (#18)

| Benchmark | Gemma 4 31B IT | Grok 4.7 |
|---|---|---|
| LMArena WebDev | 1366 | 1639 |
| SciCode | 43.4% | 57.8% |
| LMArena Coding | 1459 | 1427 |
| FrontierCode | — | 47.6% |
| CursorBench | — | 46.3% |
| FrontierSWE | — | 29.5% |
| WeirdML | 52.3% | — |
| ALE-Bench | 925.5 | — |

## Agentic & Tool Use

- Gemma 4 31B IT: —
- Grok 4.7: 36.7 (#37)

| Benchmark | Gemma 4 31B IT | Grok 4.7 |
|---|---|---|
| APEX-Agents | — | 54.6% |
| GDP.pdf | — | 22.8% |
| Vending-Bench 2 | — | 10,537 |

## Reasoning

- Gemma 4 31B IT: 27.2 (#122)
- Grok 4.7: 49.1 (#40)

| Benchmark | Gemma 4 31B IT | Grok 4.7 |
|---|---|---|
| NYT Connections (extended) | 70.6% | 76.8% |
| CritPt | 1.4% | 18% |
| Chess Puzzles | 5% | 38% |
| LMArena Hard Prompts | 1448 | 1413 |
| DTBench | 82.7% | 96% |
| LMCA | 39.3% | 49.4% |
| Epoch Capabilities Index | 142.74 | 153.53 |
| Kagi LLM Benchmark | 63.5% | — |
| Thematic Generalization | 53% | — |
| Mystery Game Puzzles | — | 29% |
| Surface Evolver Bench | 30.6% | — |

## Math

- Gemma 4 31B IT: 43.2 (#81)
- Grok 4.7: 57.8 (#39)

| Benchmark | Gemma 4 31B IT | Grok 4.7 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 73.3% | 98.1% |
| LMArena Math | 1465 | 1407 |
| FrontierMath (Tiers 1-3) | — | 53% |
| FrontierMath Tier 4 | — | 17.1% |
| ProofBench | — | 34% |

## Knowledge

- Gemma 4 31B IT: 37.9 (#151)
- Grok 4.7: 62.8 (#22)

| Benchmark | Gemma 4 31B IT | Grok 4.7 |
|---|---|---|
| GPQA Diamond | 75.8% | 92.7% |
| SimpleQA Verified | 10.4% | 56% |
| LMArena Expert | 1465 | 1422 |
| Vectara Hallucination Rate | 7.4% | — |

## Multimodal

- Gemma 4 31B IT: 41.6 (#34)
- Grok 4.7: 35.5 (#87)

| Benchmark | Gemma 4 31B IT | Grok 4.7 |
|---|---|---|
| LMArena Vision | 1277 | 1228 |
| Blueprint-Bench 2 | — | 32.5% |
| Furniture Assembly | — | 20.8% |
| LMArena Document | 1425 | — |

## Multilingual

- Gemma 4 31B IT: 53.8 (#57)
- Grok 4.7: 50.8 (#116)

| Benchmark | Gemma 4 31B IT | Grok 4.7 |
|---|---|---|
| LMArena Non-English | 1431 | 1389 |
| LMArena Chinese | 1476 | 1455 |
| LMArena French | 1435 | 1455 |
| LMArena Russian | 1460 | 1397 |
| LMArena Spanish | 1444 | 1400 |

## Instruction Following

- Gemma 4 31B IT: 75.5 (#61)
- Grok 4.7: 74.1 (#105)

| Benchmark | Gemma 4 31B IT | Grok 4.7 |
|---|---|---|
| LMArena Instruction Following | 1433 | 1404 |

## Long Context

- Gemma 4 31B IT: 44.2 (#71)
- Grok 4.7: 43.1 (#104)

| Benchmark | Gemma 4 31B IT | Grok 4.7 |
|---|---|---|
| LMArena Longer Query | 1446 | 1413 |

## Writing & Preference

- Gemma 4 31B IT: 60.5 (#96)
- Grok 4.7: 70.0 (#24)

| Benchmark | Gemma 4 31B IT | Grok 4.7 |
|---|---|---|
| LMArena Text | 1443 | 1399 |
| LMArena Creative Writing | 1415 | 1391 |
| EQ-Bench Creative Writing | 1368 | 2007 |
| LMArena Multi-Turn | 1452 | 1393 |
| EQ-Bench 4 | 1120 | — |

## FAQ

### Is Gemma 4 31B IT better than Grok 4.7?

Grok 4.7 is the stronger model overall, scoring 53.1 to 43.5 on the Noometry Index. Gemma 4 31B IT costs 20× less per token, which makes it the better buy when Grok 4.7's lead doesn't matter for your workload.

### Which is cheaper, Gemma 4 31B IT or Grok 4.7?

Gemma 4 31B IT is cheaper. It lists at $0.09 per million input tokens and $0.34 per million output tokens; Grok 4.7 lists at $2 and $6.

### Is Gemma 4 31B IT or Grok 4.7 better for coding?

Grok 4.7 scores higher on coding benchmarks: 58.0 versus 42.3 in the Noometry coding category.

### Which has the bigger context window?

Grok 4.7 does, with 500K tokens against 262K.

### How many benchmarks do Gemma 4 31B IT and Grok 4.7 share?

27 benchmarks have published results for both models. Gemma 4 31B IT has 35 scored results on Noometry and Grok 4.7 has 39.