# Gemini 3.1 Pro vs Grok 4.6

> Side-by-side benchmark comparison for Gemini 3.1 Pro and Grok 4.6 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-3-1-pro-vs-grok-4-6
- Last updated: September 25, 2026

- Shared sourced benchmarks: 7
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

Pick Grok 4.6 if you want the stronger benchmark profile. Gemini 3.1 Pro only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Grok 4.6 leads overall 69.19 to 64.45.
- The clearest category separation is in agentic, where the averages are 39.3 for Gemini 3.1 Pro and 67.9 for Grok 4.6.
- The biggest single benchmark swing is SWE-bench (Vals) in Coding, with scores of 78.8% and 95.6%.
- Grok 4.6 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Gemini 3.1 Pro also has the larger context window at 1M.

## Model Snapshot

| Property | Gemini 3.1 Pro | Grok 4.6 |
|----------|----------|----------|
| Creator | Google | xAI |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 500K |
| Overall Score | 64.45 | 69.19 |
| Benchmarks Covered | 28 | 17 |
| Pricing (input/output) | $2.00 / $12.00 | $2.00 / $6.00 |

## Category Breakdown

### Agentic

- Winner: Grok 4.6
- Gemini 3.1 Pro public-lane score: 39.3 (Supported · #47/105)
- Grok 4.6 public-lane score: 67.9 (Supported · #8/105)

| Benchmark | Gemini 3.1 Pro | Grok 4.6 | Winner |
|-----------|-----------|-----------|--------|
| Claw-Eval | 57.8% | Coming soon | Coming soon |
| DeepSearchQA | 69.7% | Coming soon | Coming soon |
| τ²-bench results | 95.6% | Coming soon | Coming soon |
| Gert Labs | 56.87% | Coming soon | Coming soon |
| ResearchClawBench | 13.3% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 70.8% | 78.3% | Grok 4.6 |
| Terminal-Bench 3.0 | Coming soon | 26.5% | Coming soon |
| APEX-Agents | Coming soon | 57.5% | Coming soon |
| ApprenticeBench | Coming soon | 13% | Coming soon |

### Coding

- Winner: Grok 4.6
- Gemini 3.1 Pro public-lane score: 43.3 (Supported · #52/135)
- Grok 4.6 public-lane score: 62 (Supported · #14/135)

| Benchmark | Gemini 3.1 Pro | Grok 4.6 | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench Pro | 82.9% | Coming soon | Coming soon |
| React Native Evals | 78.9% | Coming soon | Coming soon |
| Vibe Code Bench | 32.03% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 88.5% | 88.2% | Gemini 3.1 Pro |
| SWE-bench (Vals) | 78.8% | 95.6% | Grok 4.6 |
| Bug Hunt Bench | Coming soon | 27 fixes | Coming soon |
| DeepSWE | Coming soon | 65.9% | Coming soon |
| cursorBench32 | Coming soon | 70.8% | Coming soon |
| FrontierCode 1.1 Extended | Coming soon | 61.3% | Coming soon |
| VulcanBench v3 | Coming soon | 87.0% | Coming soon |
| FrontierSWE v2 | Coming soon | 25.3% | Coming soon |

### Reasoning

- Winner: Not comparable
- Gemini 3.1 Pro public-lane score: 54.4 (Unranked · 2 rankable rows)
- Grok 4.6 public-lane score: 57.6 (#16/19)

| Benchmark | Gemini 3.1 Pro | Grok 4.6 | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 77.1% | 67.1% | Gemini 3.1 Pro |
| ARC-AGI-3 | 0.4% | 2.1% | Grok 4.6 |
| ARC-AGI-1 | Coming soon | 87.00% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Gemini 3.1 Pro public-lane score: 79.1 (#13/50)
- Grok 4.6 public-lane score: Coming soon

| Benchmark | Gemini 3.1 Pro | Grok 4.6 | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 83.9% | Coming soon | Coming soon |
| CharXiv | 80.2% | Coming soon | Coming soon |
| ERQA | 69.4% | Coming soon | Coming soon |
| SimpleVQA | 72.4% | Coming soon | Coming soon |
| ScreenSpot Pro | 84.4% | Coming soon | Coming soon |
| ZeroBench | 29.0% | Coming soon | Coming soon |
| MedXpertQA (MM) | 81.3% | Coming soon | Coming soon |

### Knowledge

- Winner: Grok 4.6
- Gemini 3.1 Pro public-lane score: 66.7 (Supported · #18/158)
- Grok 4.6 public-lane score: 69 (Supported · #13/158)

| Benchmark | Gemini 3.1 Pro | Grok 4.6 | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | 94.3% | Coming soon | Coming soon |
| HLE w/o tools | 45.4% | Coming soon | Coming soon |
| HealthBench Hard | 20.6% | Coming soon | Coming soon |
| MedXpertQA (Text) | 71.5% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 95.5% | 94.7% | Gemini 3.1 Pro |
| MMLU-Pro (Vals) | 91.0% | 89.4% | Gemini 3.1 Pro |

### Mathematics

- Winner: Not comparable
- Gemini 3.1 Pro public-lane score: 54.2 (Unranked · 2 rankable rows)
- Grok 4.6 public-lane score: Coming soon

| Benchmark | Gemini 3.1 Pro | Grok 4.6 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 36.900% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 16.700% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Gemini 3.1 Pro or Grok 4.6?

Grok 4.6 is ahead overall on BenchLM right now.

### Where is the biggest gap between Gemini 3.1 Pro and Grok 4.6?

The widest category gap is in agentic, where the averages are 39.3 for Gemini 3.1 Pro and 67.9 for Grok 4.6.

### How many benchmarks does Gemini 3.1 Pro cover on BenchLM?

Gemini 3.1 Pro currently has 28 sourced benchmark scores on BenchLM.

### How many benchmarks does Grok 4.6 cover on BenchLM?

Grok 4.6 currently has 17 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Gemini 3.1 Pro vs GPT-6 Astra](/compare/gemini-3-1-pro-vs-gpt-6-astra)
- [Grok 4.6 vs GPT-6 Astra](/compare/gpt-6-astra-vs-grok-4-6)
- [Gemini 3.1 Pro vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-gemini-3-1-pro)
- [Grok 4.6 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-grok-4-6)

## Explore More

- [Gemini 3.1 Pro profile](/models/gemini-3-1-pro)
- [Grok 4.6 profile](/models/grok-4-6)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)
