# Gemini 3 Deep Think vs Grok 4

> Grok 4 has enough public results to be ranked (#49); Gemini 3 Deep Think does not yet, so treat this comparison as directional.

- Canonical page: https://noometry.com/compare/gemini-3-deep-think-vs-grok-4
- Last updated: 2026-10-10
- Shared benchmarks: 2

## Summary

- They share 2 benchmarks with published results for both. Gemini 3 Deep Think scores higher in 1 category and Grok 4 in 0 categories; one gap is clear of the uncertainty.
- The widest gap is in reasoning, where Gemini 3 Deep Think leads 70.8 to 36.9.
- The biggest single-benchmark swing is ARC-AGI-2: 84.6% for Gemini 3 Deep Think and 16% for Grok 4.

## Snapshot

| | Gemini 3 Deep Think | Grok 4 |
|---|---|---|
| Provider | Google | xAI |
| Noometry Index | 58.5 | 47.8 |
| Rank | — | 49 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 3 Deep Think: —
- Grok 4: 49.9 (#44)

| Benchmark | Gemini 3 Deep Think | Grok 4 |
|---|---|---|
| Aider Polyglot | — | 79.6% |
| WeirdML | — | 45.7% |
| LMArena Coding | — | 1408 |

## Agentic & Tool Use

- Gemini 3 Deep Think: —
- Grok 4: 32.1 (#62)

| Benchmark | Gemini 3 Deep Think | Grok 4 |
|---|---|---|
| Terminal-Bench | — | 27.2% |
| Berkeley Function Calling Leaderboard | — | 63% |
| GDPval | — | 21.1% |
| Cybench | — | 43% |
| DeepResearch Bench | — | 47.3% |
| BALROG | — | 43.6% |
| LMArena Search | — | 1142 |
| METR Time Horizons | — | 66.6% |

## Reasoning

- Gemini 3 Deep Think: 70.8 (#11)
- Grok 4: 36.9 (#59)

| Benchmark | Gemini 3 Deep Think | Grok 4 |
|---|---|---|
| ARC-AGI-2 | 84.6% | 16% |
| ARC-AGI-1 | 96% | 66.7% |
| SimpleBench | — | 60.5% |
| Kagi LLM Benchmark | — | 73.6% |
| CritPt | 25.7% | — |
| Chess Puzzles | — | 28% |
| LMArena Hard Prompts | — | 1409 |
| Epoch Capabilities Index | — | 146.46 |
| ForecastBench | — | 60.9 |

## Math

- Gemini 3 Deep Think: —
- Grok 4: 46.5 (#58)

| Benchmark | Gemini 3 Deep Think | Grok 4 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 84% |
| Omni-MATH | — | 60.3% |
| LMArena Math | — | 1422 |
| FrontierMath (Feb 2025 set) | — | 19.7% |
| FrontierMath Tier 4 (v1) | — | 2.1% |

## Knowledge

- Gemini 3 Deep Think: —
- Grok 4: 53.7 (#50)

| Benchmark | Gemini 3 Deep Think | Grok 4 |
|---|---|---|
| GPQA Diamond | — | 87% |
| MMLU-Pro | — | 85.1% |
| Confabulations | — | 12.4% |
| GPQA (HELM) | — | 72.7% |
| LMArena Expert | — | 1417 |

## Multimodal

- Gemini 3 Deep Think: —
- Grok 4: 33.1 (#89)

| Benchmark | Gemini 3 Deep Think | Grok 4 |
|---|---|---|
| LMArena Vision | — | 1211 |
| GeoBench | — | 45% |

## Multilingual

- Gemini 3 Deep Think: —
- Grok 4: 52.0 (#98)

| Benchmark | Gemini 3 Deep Think | Grok 4 |
|---|---|---|
| LMArena Non-English | — | 1403 |
| LMArena Chinese | — | 1428 |
| LMArena French | — | 1418 |
| LMArena German | — | 1429 |
| LMArena Japanese | — | 1396 |
| LMArena Korean | — | 1376 |
| LMArena Russian | — | 1409 |
| LMArena Spanish | — | 1419 |

## Instruction Following

- Gemini 3 Deep Think: —
- Grok 4: 79.4 (#4)

| Benchmark | Gemini 3 Deep Think | Grok 4 |
|---|---|---|
| IFEval | — | 94.9% |
| LMArena Instruction Following | — | 1387 |

## Long Context

- Gemini 3 Deep Think: —
- Grok 4: 63.1 (#4)

| Benchmark | Gemini 3 Deep Think | Grok 4 |
|---|---|---|
| Fiction.LiveBench | — | 94.4% |
| LMArena Longer Query | — | 1409 |

## Writing & Preference

- Gemini 3 Deep Think: —
- Grok 4: 58.7 (#111)

| Benchmark | Gemini 3 Deep Think | Grok 4 |
|---|---|---|
| LMArena Text | — | 1412 |
| LMArena Creative Writing | — | 1397 |
| Short-Story Creative Writing | — | 76.9% |
| WildBench | — | 79.7% |
| LMArena Multi-Turn | — | 1416 |

## FAQ

### Is Gemini 3 Deep Think better than Grok 4?

Grok 4 has enough public results to be ranked (#49); Gemini 3 Deep Think does not yet, so treat this comparison as directional.

### How many benchmarks do Gemini 3 Deep Think and Grok 4 share?

2 benchmarks have published results for both models. Gemini 3 Deep Think has 3 scored results on Noometry and Grok 4 has 48.