# Gemma 3n E4b IT vs Grok 4.20 (Non-Reasoning)

> Grok 4.20 (Non-Reasoning) is the stronger model overall, scoring 48.6 to 37.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemma-3n-e4b-it-vs-grok-4-20
- Last updated: 2026-10-10
- Shared benchmarks: 18

## Summary

- They share 18 benchmarks with published results for both. Gemma 3n E4b IT scores higher in 0 categories and Grok 4.20 (Non-Reasoning) in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.20 (Non-Reasoning) leads 52.3 to 19.9.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 31.5% for Gemma 3n E4b IT and 75% for Grok 4.20 (Non-Reasoning).
- Gemma 3n E4b IT has downloadable open weights; the other is API-only.

## Snapshot

| | Gemma 3n E4b IT | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| Provider | Google | xAI |
| Noometry Index | 37.3 | 48.6 |
| Rank | 206 | 54 |
| Context | — | 1M |
| Input $/M | — | $1.25 |
| Output $/M | — | $2.50 |
| Weights | Open | Proprietary |

## Coding

- Gemma 3n E4b IT: 37.0 (#198)
- Grok 4.20 (Non-Reasoning): 42.1 (#112)

| Benchmark | Gemma 3n E4b IT | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| LMArena Coding | 1268 | 1459 |
| LMArena WebDev | — | 1375 |
| WeirdML | — | 52.3% |
| ALE-Bench | — | 1,150 |

## Agentic & Tool Use

- Gemma 3n E4b IT: —
- Grok 4.20 (Non-Reasoning): 34.4 (#46)

| Benchmark | Gemma 3n E4b IT | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| Terminal-Bench | — | 57.3% |
| τ²-bench Banking | — | 18% |
| LMArena Search | — | 1189 |
| Vending-Bench 2 | — | 4,663 |

## Reasoning

- Gemma 3n E4b IT: 19.9 (#247)
- Grok 4.20 (Non-Reasoning): 52.3 (#32)

| Benchmark | Gemma 3n E4b IT | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| Kagi LLM Benchmark | 31.5% | 75% |
| LMArena Hard Prompts | 1284 | 1451 |
| ARC-AGI-2 | — | 65.1% |
| NYT Connections (extended) | — | 85.4% |
| ARC-AGI-1 | — | 89.5% |
| Chess Puzzles | — | 24% |
| Thematic Generalization | — | 63.8% |
| DTBench | — | 90.1% |
| LMCA | — | 38.7% |
| Epoch Capabilities Index | — | 151.98 |
| ForecastBench | — | 61.4 |

## Math

- Gemma 3n E4b IT: 35.1 (#188)
- Grok 4.20 (Non-Reasoning): 48.2 (#65)

| Benchmark | Gemma 3n E4b IT | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| LMArena Math | 1251 | 1455 |
| FrontierMath (Tiers 1-3) | — | 44.9% |
| FrontierMath Tier 4 | — | 17.1% |
| OTIS Mock AIME 2024-2025 | — | 92.2% |
| ProofBench | — | 14% |

## Knowledge

- Gemma 3n E4b IT: 34.2 (#198)
- Grok 4.20 (Non-Reasoning): 52.8 (#60)

| Benchmark | Gemma 3n E4b IT | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| LMArena Expert | 1246 | 1439 |
| GPQA Diamond | — | 89.3% |
| SimpleQA Verified | — | 30.2% |

## Multimodal

- Gemma 3n E4b IT: —
- Grok 4.20 (Non-Reasoning): 33.3 (#98)

| Benchmark | Gemma 3n E4b IT | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| LMArena Vision | — | 1263 |
| Blueprint-Bench 2 | — | 0% |
| LMArena Document | — | 1416 |

## Multilingual

- Gemma 3n E4b IT: 43.4 (#183)
- Grok 4.20 (Non-Reasoning): 54.5 (#40)

| Benchmark | Gemma 3n E4b IT | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| LMArena Non-English | 1285 | 1441 |
| LMArena Chinese | 1309 | 1481 |
| LMArena French | 1330 | 1476 |
| LMArena German | 1311 | 1465 |
| LMArena Japanese | 1272 | 1449 |
| LMArena Korean | 1259 | 1417 |
| LMArena Russian | 1288 | 1458 |
| LMArena Spanish | 1305 | 1443 |

## Instruction Following

- Gemma 3n E4b IT: 66.1 (#210)
- Grok 4.20 (Non-Reasoning): 74.8 (#83)

| Benchmark | Gemma 3n E4b IT | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| LMArena Instruction Following | 1255 | 1420 |

## Long Context

- Gemma 3n E4b IT: 38.7 (#191)
- Grok 4.20 (Non-Reasoning): 45.5 (#34)

| Benchmark | Gemma 3n E4b IT | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| LMArena Longer Query | 1276 | 1437 |
| CL-bench | — | 22.2% |
| CL-bench Life | — | 11.9% |

## Writing & Preference

- Gemma 3n E4b IT: 50.1 (#186)
- Grok 4.20 (Non-Reasoning): 65.7 (#44)

| Benchmark | Gemma 3n E4b IT | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| LMArena Text | 1306 | 1451 |
| LMArena Creative Writing | 1287 | 1438 |
| LMArena Multi-Turn | 1276 | 1456 |
| EQ-Bench Creative Writing | — | 1574 |

## FAQ

### Is Gemma 3n E4b IT better than Grok 4.20 (Non-Reasoning)?

Grok 4.20 (Non-Reasoning) is the stronger model overall, scoring 48.6 to 37.3 on the Noometry Index.

### Is Gemma 3n E4b IT or Grok 4.20 (Non-Reasoning) better for coding?

Grok 4.20 (Non-Reasoning) scores higher on coding benchmarks: 42.1 versus 37.0 in the Noometry coding category.

### How many benchmarks do Gemma 3n E4b IT and Grok 4.20 (Non-Reasoning) share?

18 benchmarks have published results for both models. Gemma 3n E4b IT has 18 scored results on Noometry and Grok 4.20 (Non-Reasoning) has 46.