# Gemini 4 Argon vs Grok 4 Fast

> Gemini 4 Argon is the stronger model overall, scoring 56.5 to 39.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-4-argon-vs-grok-4-fast
- Last updated: 2026-10-10
- Shared benchmarks: 14

## Summary

- They share 14 benchmarks with published results for both. Gemini 4 Argon scores higher in 8 categories and Grok 4 Fast in 1 category; 9 gaps are clear of the uncertainty.
- The widest gap is in math, where Gemini 4 Argon leads 73.9 to 38.9.

## Snapshot

| | Gemini 4 Argon | Grok 4 Fast |
|---|---|---|
| Provider | Google | xAI |
| Noometry Index | 56.5 | 39.4 |
| Rank | 24 | 167 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 4 Argon: 62.0 (#9)
- Grok 4 Fast: 32.5 (#271)

| Benchmark | Gemini 4 Argon | Grok 4 Fast |
|---|---|---|
| LMArena WebDev | 1678 | 1159 |
| LMArena Coding | 1550 | 1429 |
| FrontierSWE | 55% | — |
| SciCode | 61.8% | — |
| WeirdML | — | 42.9% |

## Agentic & Tool Use

- Gemini 4 Argon: 49.2 (#8)
- Grok 4 Fast: 29.5 (#86)

| Benchmark | Gemini 4 Argon | Grok 4 Fast |
|---|---|---|
| APEX-Agents | 82.2% | — |
| τ²-bench Banking | — | 15.7% |
| Cybench | — | 30% |
| LMArena Search | — | 1171 |
| Vending-Bench 2 | 13,718 | — |

## Reasoning

- Gemini 4 Argon: 44.2 (#47)
- Grok 4 Fast: 22.2 (#201)

| Benchmark | Gemini 4 Argon | Grok 4 Fast |
|---|---|---|
| LMArena Hard Prompts | 1548 | 1412 |
| ARC-AGI-2 | — | 5.3% |
| Kagi LLM Benchmark | — | 66.1% |
| ARC-AGI-1 | — | 48.5% |
| CritPt | 27.1% | — |
| DTBench | — | 82.7% |
| Epoch Capabilities Index | — | 144.2 |
| ForecastBench | — | 60.5 |

## Math

- Gemini 4 Argon: 73.9 (#17)
- Grok 4 Fast: 38.9 (#123)

| Benchmark | Gemini 4 Argon | Grok 4 Fast |
|---|---|---|
| LMArena Math | 1536 | 1419 |
| ProofBench | 99% | — |

## Knowledge

- Gemini 4 Argon: 43.9 (#89)
- Grok 4 Fast: 32.0 (#214)

| Benchmark | Gemini 4 Argon | Grok 4 Fast |
|---|---|---|
| LMArena Expert | 1553 | 1411 |
| Vectara Hallucination Rate | — | 19.7% |

## Multimodal

- Gemini 4 Argon: 46.5 (#14)
- Grok 4 Fast: —

| Benchmark | Gemini 4 Argon | Grok 4 Fast |
|---|---|---|
| Blueprint-Bench 2 | 54.4% | — |

## Multilingual

- Gemini 4 Argon: 60.3 (#1)
- Grok 4 Fast: 51.3 (#111)

| Benchmark | Gemini 4 Argon | Grok 4 Fast |
|---|---|---|
| LMArena Non-English | 1523 | 1396 |
| LMArena Chinese | 1610 | 1457 |
| LMArena Russian | 1537 | 1389 |
| LMArena Spanish | 1497 | 1415 |
| LMArena French | — | 1431 |
| LMArena German | — | 1383 |
| LMArena Japanese | — | 1352 |
| LMArena Korean | — | 1357 |

## Instruction Following

- Gemini 4 Argon: 80.1 (#2)
- Grok 4 Fast: 73.2 (#121)

| Benchmark | Gemini 4 Argon | Grok 4 Fast |
|---|---|---|
| LMArena Instruction Following | 1538 | 1387 |

## Long Context

- Gemini 4 Argon: 47.6 (#15)
- Grok 4 Fast: 63.2 (#3)

| Benchmark | Gemini 4 Argon | Grok 4 Fast |
|---|---|---|
| LMArena Longer Query | 1549 | 1415 |
| Fiction.LiveBench | — | 94.4% |

## Writing & Preference

- Gemini 4 Argon: 71.4 (#19)
- Grok 4 Fast: 60.0 (#102)

| Benchmark | Gemini 4 Argon | Grok 4 Fast |
|---|---|---|
| LMArena Text | 1534 | 1407 |
| LMArena Creative Writing | 1531 | 1387 |
| LMArena Multi-Turn | 1557 | 1414 |

## FAQ

### Is Gemini 4 Argon better than Grok 4 Fast?

Gemini 4 Argon is the stronger model overall, scoring 56.5 to 39.4 on the Noometry Index.

### Is Gemini 4 Argon or Grok 4 Fast better for coding?

Gemini 4 Argon scores higher on coding benchmarks: 62.0 versus 32.5 in the Noometry coding category.

### How many benchmarks do Gemini 4 Argon and Grok 4 Fast share?

14 benchmarks have published results for both models. Gemini 4 Argon has 21 scored results on Noometry and Grok 4 Fast has 30.