# Gemini 4 Argon vs Grok 4.1 Fast

> Gemini 4 Argon is the stronger model overall, scoring 56.5 to 41.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-4-argon-vs-grok-4-1-fast
- Last updated: 2026-10-12
- Shared benchmarks: 16

## Summary

- They share 16 benchmarks with published results for both. Gemini 4 Argon scores higher in 10 categories and Grok 4.1 Fast in 0 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in math, where Gemini 4 Argon leads 73.9 to 31.9.
- The biggest single-benchmark swing is ProofBench: 99% for Gemini 4 Argon and 4% for Grok 4.1 Fast.

## Snapshot

| | Gemini 4 Argon | Grok 4.1 Fast |
|---|---|---|
| Provider | Google | xAI |
| Noometry Index | 56.5 | 41.4 |
| Rank | 24 | 136 |
| Context | — | 128K |
| Input $/M | — | $0.20 |
| Output $/M | — | $0.50 |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 4 Argon: 62.0 (#9)
- Grok 4.1 Fast: 34.1 (#245)

| Benchmark | Gemini 4 Argon | Grok 4.1 Fast |
|---|---|---|
| LMArena WebDev | 1678 | 1242 |
| LMArena Coding | 1550 | 1411 |
| FrontierSWE | 55% | — |
| SciCode | 61.8% | — |
| ALE-Bench | — | 394.93 |

## Agentic & Tool Use

- Gemini 4 Argon: 49.2 (#8)
- Grok 4.1 Fast: 36.3 (#39)

| Benchmark | Gemini 4 Argon | Grok 4.1 Fast |
|---|---|---|
| Vending-Bench 2 | 13,718 | 1,107 |
| APEX-Agents | 82.2% | — |
| Berkeley Function Calling Leaderboard | — | 69.6% |
| τ²-bench Banking | — | 13.1% |
| LMArena Search | — | 1171 |

## Reasoning

- Gemini 4 Argon: 44.2 (#47)
- Grok 4.1 Fast: 43.4 (#49)

| Benchmark | Gemini 4 Argon | Grok 4.1 Fast |
|---|---|---|
| LMArena Hard Prompts | 1548 | 1407 |
| SimpleBench | — | 56% |
| NYT Connections (extended) | — | 87.4% |
| CritPt | 27.1% | — |
| DTBench | — | 87.7% |
| ForecastBench | — | 61 |

## Math

- Gemini 4 Argon: 73.9 (#17)
- Grok 4.1 Fast: 31.9 (#221)

| Benchmark | Gemini 4 Argon | Grok 4.1 Fast |
|---|---|---|
| ProofBench | 99% | 4% |
| LMArena Math | 1536 | 1408 |
| MathArena Final-Answer Competitions | — | 60.9% |

## Knowledge

- Gemini 4 Argon: 43.9 (#89)
- Grok 4.1 Fast: 33.1 (#207)

| Benchmark | Gemini 4 Argon | Grok 4.1 Fast |
|---|---|---|
| LMArena Expert | 1553 | 1399 |
| Vectara Hallucination Rate | — | 17.8% |

## Multimodal

- Gemini 4 Argon: 46.5 (#14)
- Grok 4.1 Fast: 37.0 (#76)

| Benchmark | Gemini 4 Argon | Grok 4.1 Fast |
|---|---|---|
| LMArena Vision | — | 1201 |
| Blueprint-Bench 2 | 54.4% | — |

## Multilingual

- Gemini 4 Argon: 60.3 (#1)
- Grok 4.1 Fast: 51.0 (#114)

| Benchmark | Gemini 4 Argon | Grok 4.1 Fast |
|---|---|---|
| LMArena Non-English | 1523 | 1391 |
| LMArena Chinese | 1610 | 1441 |
| LMArena Russian | 1537 | 1387 |
| LMArena Spanish | 1497 | 1413 |
| LMArena French | — | 1415 |
| LMArena German | — | 1404 |
| LMArena Japanese | — | 1349 |
| LMArena Korean | — | 1361 |

## Instruction Following

- Gemini 4 Argon: 80.1 (#2)
- Grok 4.1 Fast: 72.7 (#133)

| Benchmark | Gemini 4 Argon | Grok 4.1 Fast |
|---|---|---|
| LMArena Instruction Following | 1538 | 1376 |

## Long Context

- Gemini 4 Argon: 47.6 (#15)
- Grok 4.1 Fast: 42.4 (#126)

| Benchmark | Gemini 4 Argon | Grok 4.1 Fast |
|---|---|---|
| LMArena Longer Query | 1549 | 1390 |

## Writing & Preference

- Gemini 4 Argon: 71.4 (#19)
- Grok 4.1 Fast: 57.2 (#131)

| Benchmark | Gemini 4 Argon | Grok 4.1 Fast |
|---|---|---|
| LMArena Text | 1534 | 1408 |
| LMArena Creative Writing | 1531 | 1394 |
| LMArena Multi-Turn | 1557 | 1389 |
| EQ-Bench Creative Writing | — | 1327 |

## FAQ

### Is Gemini 4 Argon better than Grok 4.1 Fast?

Gemini 4 Argon is the stronger model overall, scoring 56.5 to 41.4 on the Noometry Index.

### Is Gemini 4 Argon or Grok 4.1 Fast better for coding?

Gemini 4 Argon scores higher on coding benchmarks: 62.0 versus 34.1 in the Noometry coding category.

### How many benchmarks do Gemini 4 Argon and Grok 4.1 Fast share?

16 benchmarks have published results for both models. Gemini 4 Argon has 21 scored results on Noometry and Grok 4.1 Fast has 32.