# Claude Opus 4.6 vs Gemini 3.1 Pro

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

- Canonical page: https://benchlm.ai/compare/claude-opus-4-6-vs-gemini-3-1-pro
- Last updated: October 17, 2026

- Shared sourced benchmarks: 17
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Gemini 3.1 Pro leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Gemini 3.1 Pro has the higher overall point estimate 64.7 to 62.39. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in reasoning, where the averages are 71.9 for Claude Opus 4.6 and 58.2 for Gemini 3.1 Pro.
- The biggest single benchmark swing is Vibe Code Bench in Coding, with scores of 57.57% and 32.03%.
- Gemini 3.1 Pro is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Claude Opus 4.6 | Gemini 3.1 Pro |
|----------|----------|----------|
| Creator | Anthropic | Google |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 62.39 | 64.7 |
| Benchmarks Covered | 36 | 30 |
| Pricing (input/output) | $5.00 / $25.00 | $2.00 / $12.00 |

## Category Breakdown

### Agentic

- Winner: Claude Opus 4.6
- Claude Opus 4.6 public-lane score: 45.7 (Supported · #57/128)
- Gemini 3.1 Pro public-lane score: 38.4 (Supported · #70/128)

| Benchmark | Claude Opus 4.6 | Gemini 3.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 65.4% | Coming soon | Coming soon |
| BrowseComp | 83.7% | Coming soon | Coming soon |
| OSWorld-Verified | 72.7% | Coming soon | Coming soon |
| AndroidWorld | 62.0% | Coming soon | Coming soon |
| Claw-Eval | 70.4% | 57.8% | Claude Opus 4.6 |
| DeepSearchQA | 73.7% | 69.7% | Claude Opus 4.6 |
| CyberGym | 66.6% | Coming soon | Coming soon |
| Gert Labs | 61.85% | 56.87% | Claude Opus 4.6 |
| ResearchClawBench | 19.9% | 13.3% | Claude Opus 4.6 |
| JobBench | 36.7% | Coming soon | Coming soon |
| ApprenticeBench | 5% | Coming soon | Coming soon |
| τ²-bench results | Coming soon | 95.6% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 70.8% | Coming soon |
| MazeBench | Coming soon | 1% | Coming soon |

### Coding

- Winner: Claude Opus 4.6
- Claude Opus 4.6 public-lane score: 46.1 (Supported · #52/150)
- Gemini 3.1 Pro public-lane score: 39.2 (Supported · #67/150)

| Benchmark | Claude Opus 4.6 | Gemini 3.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 80.8% | Coming soon | Coming soon |
| SWE-bench Verified* | 75.6% | Coming soon | Coming soon |
| LiveCodeBench Pro | 70.7% | 82.9% | Gemini 3.1 Pro |
| SWE-bench Pro | 53.4% | Coming soon | Coming soon |
| SWE-Rebench | 65.3% | Coming soon | Coming soon |
| React Native Evals | 84.1% | 78.9% | Claude Opus 4.6 |
| Terminal-Bench 2.0 | 65.4% | Coming soon | Coming soon |
| Vibe Code Bench | 57.57% | 32.03% | Claude Opus 4.6 |
| FrontierCode 1.1 Main | 26.9% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | Coming soon | 88.5% | Coming soon |
| SWE-bench (Vals) | Coming soon | 78.8% | Coming soon |
| PostTrainBench v1.1 | Coming soon | 22.0% | Coming soon |

### Reasoning

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: 71.9 (Unranked · 2 rankable rows)
- Gemini 3.1 Pro public-lane score: 58.2 (Unranked · 2 rankable rows)

| Benchmark | Claude Opus 4.6 | Gemini 3.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | Coming soon | 77.1% | Coming soon |
| ARC-AGI-3 | Coming soon | 0.4% | Coming soon |

### Multimodal & Grounded

- Winner: Directional only
- Claude Opus 4.6 public-lane score: 74.5 (#25/54)
- Gemini 3.1 Pro public-lane score: 80.1 (#17/54)

| Benchmark | Claude Opus 4.6 | Gemini 3.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 77.3% | 83.9% | Gemini 3.1 Pro |
| ERQA | 51.6% | 69.4% | Gemini 3.1 Pro |
| ScreenSpot Pro | 83.1% | 84.4% | Gemini 3.1 Pro |
| MedXpertQA (MM) | 64.8% | 81.3% | Gemini 3.1 Pro |
| CharXiv | Coming soon | 80.2% | Coming soon |
| SimpleVQA | Coming soon | 72.4% | Coming soon |
| ZeroBench | Coming soon | 29.0% | Coming soon |

### Knowledge

- Winner: Directional only
- Claude Opus 4.6 public-lane score: 59 (Estimated · #52/184)
- Gemini 3.1 Pro public-lane score: 67.6 (Supported · #26/184)

| Benchmark | Claude Opus 4.6 | Gemini 3.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 91.3% | Coming soon | Coming soon |
| GPQA-D | 89.2% | 94.3% | Gemini 3.1 Pro |
| SuperGPQA | 95% | Coming soon | Coming soon |
| MMLU-Pro | 82% | Coming soon | Coming soon |
| MMLU-Pro (Arcee) | 89.1% | Coming soon | Coming soon |
| HLE | 53% | Coming soon | Coming soon |
| HLE w/o tools | 40% | 45.4% | Gemini 3.1 Pro |
| HealthBench Hard | 14.8% | 20.6% | Gemini 3.1 Pro |
| MedXpertQA (Text) | 52.1% | 71.5% | Gemini 3.1 Pro |
| GPQA Diamond (Vals) | Coming soon | 95.5% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 91.0% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: 52.4 (#87/148)
- Gemini 3.1 Pro public-lane score: Coming soon

### Mathematics

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: 69.1 (Unranked · 3 rankable rows)
- Gemini 3.1 Pro public-lane score: 65 (Unranked · 2 rankable rows)

| Benchmark | Claude Opus 4.6 | Gemini 3.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| AIME25 (Arcee) | 99.8% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 65.965% | 59.649% | Claude Opus 4.6 |
| FrontierMath v2 (Tier 4) | 26.829% | 26.829% | Tie |

## FAQ

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

Gemini 3.1 Pro has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

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

The widest category gap is in reasoning, where the averages are 71.9 for Claude Opus 4.6 and 58.2 for Gemini 3.1 Pro.

### How many benchmarks does Claude Opus 4.6 cover on BenchLM?

Claude Opus 4.6 currently has 36 sourced benchmark scores on BenchLM.

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

Gemini 3.1 Pro currently has 30 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Opus 4.6 vs Claude Opus 4.6 (Adaptive)](/compare/claude-opus-4-6-vs-claude-opus-4-6-thinking)
- [Gemini 3.1 Pro vs Claude Opus 4.6 (Adaptive)](/compare/claude-opus-4-6-thinking-vs-gemini-3-1-pro)
- [Claude Opus 4.6 vs Claude Opus 5.5](/compare/claude-opus-4-6-vs-claude-opus-5-5)
- [Gemini 3.1 Pro vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-gemini-3-1-pro)

## Explore More

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