# Claude Sonnet 4.6 vs Gemini 2.5 Pro

> Side-by-side benchmark comparison for Claude Sonnet 4.6 and Gemini 2.5 Pro across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-sonnet-4-6-vs-gemini-2-5-pro
- Last updated: October 17, 2026

- Shared sourced benchmarks: 6
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Pick Claude Sonnet 4.6 if you want the stronger benchmark profile. Gemini 2.5 Pro only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Claude Sonnet 4.6 leads overall 55.89 to 49.14.
- The clearest category separation is in coding, where the averages are 44.7 for Claude Sonnet 4.6 and 22.3 for Gemini 2.5 Pro.
- The biggest single benchmark swing is Vibe Code Bench in Coding, with scores of 51.48% and 0.40%.
- Gemini 2.5 Pro is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Gemini 2.5 Pro also has the larger context window at 1M.

## Model Snapshot

| Property | Claude Sonnet 4.6 | Gemini 2.5 Pro |
|----------|----------|----------|
| Creator | Anthropic | Google |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Non-Reasoning |
| Context | 200K | 1M |
| Overall Score | 55.89 | 49.14 |
| Benchmarks Covered | 28 | 9 |
| Pricing (input/output) | $3.00 / $15.00 | $1.25 / $10.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- Claude Sonnet 4.6 public-lane score: 46.3 (Supported · #55/128)
- Gemini 2.5 Pro public-lane score: 25.7 (Estimated · #102/128)

| Benchmark | Claude Sonnet 4.6 | Gemini 2.5 Pro | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 59.1% | Coming soon | Coming soon |
| OSWorld-Verified | 72.1% | Coming soon | Coming soon |
| Claw-Eval | 67.8% | Coming soon | Coming soon |
| CyberGym | 65.2% | Coming soon | Coming soon |
| Gert Labs | 62.92% | 42.01% | Claude Sonnet 4.6 |
| OSWorld 2.0 | 8.3% | Coming soon | Coming soon |
| JobBench | 36.9% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 57.3% | Coming soon | Coming soon |
| ApprenticeBench | 2% | Coming soon | Coming soon |
| MazeBench | 0% | Coming soon | Coming soon |

### Coding

- Winner: Claude Sonnet 4.6
- Claude Sonnet 4.6 public-lane score: 44.7 (Supported · #54/150)
- Gemini 2.5 Pro public-lane score: 22.3 (Supported · #115/150)

| Benchmark | Claude Sonnet 4.6 | Gemini 2.5 Pro | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 79.6% | 63.8% | Claude Sonnet 4.6 |
| SWE-Rebench | 60.7% | Coming soon | Coming soon |
| React Native Evals | 80.6% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 59.1% | Coming soon | Coming soon |
| Vibe Code Bench | 51.48% | 0.40% | Claude Sonnet 4.6 |
| cursorBench31 | 48.8% | Coming soon | Coming soon |
| FrontierCode 1.1 Main | 24.3% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 82.1% | Coming soon | Coming soon |
| SWE-bench (Vals) | 77.4% | 54.4% | Claude Sonnet 4.6 |

### Reasoning

- Winner: Not comparable
- Claude Sonnet 4.6 public-lane score: 62.8 (Unranked · 4 rankable rows)
- Gemini 2.5 Pro public-lane score: 73.3 (Unranked · 2 rankable rows)

| Benchmark | Claude Sonnet 4.6 | Gemini 2.5 Pro | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 58.3% | Coming soon | Coming soon |
| ARC-AGI-1 | 86.00% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Claude Sonnet 4.6 public-lane score: 58.7 (#45/54)
- Gemini 2.5 Pro public-lane score: 74.8 (Unranked · 1 rankable row)

| Benchmark | Claude Sonnet 4.6 | Gemini 2.5 Pro | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | 77.4% | Coming soon | Coming soon |

### Knowledge

- Winner: Claude Sonnet 4.6
- Claude Sonnet 4.6 public-lane score: 55.4 (Supported · #58/184)
- Gemini 2.5 Pro public-lane score: 45.6 (Supported · #96/184)

| Benchmark | Claude Sonnet 4.6 | Gemini 2.5 Pro | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 89.9% | 83% | Claude Sonnet 4.6 |
| SuperGPQA | 95% | Coming soon | Coming soon |
| MMLU-Pro | 79.2% | Coming soon | Coming soon |
| HLE | 49% | 18.8% | Claude Sonnet 4.6 |
| GPQA Diamond (Vals) | 85.6% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 87.3% | Coming soon | Coming soon |

### Instruction Following

- Winner: Directional only
- Claude Sonnet 4.6 public-lane score: 48 (#99/148)
- Gemini 2.5 Pro public-lane score: 57.8 (#83/148)

### Mathematics

- Winner: Not comparable
- Claude Sonnet 4.6 public-lane score: Coming soon
- Gemini 2.5 Pro public-lane score: 36.9 (Unranked · 3 rankable rows)

| Benchmark | Claude Sonnet 4.6 | Gemini 2.5 Pro | Winner |
|-----------|-----------|-----------|--------|
| AIME 2024 | Coming soon | 92% | Coming soon |
| FrontierMath v2 (Tiers 1-3) | Coming soon | 24.561% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 0.000% | Coming soon |

## FAQ

### Which is better overall, Claude Sonnet 4.6 or Gemini 2.5 Pro?

Claude Sonnet 4.6 is ahead overall on BenchLM right now.

### Where is the biggest gap between Claude Sonnet 4.6 and Gemini 2.5 Pro?

The widest category gap is in coding, where the averages are 44.7 for Claude Sonnet 4.6 and 22.3 for Gemini 2.5 Pro.

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

Claude Sonnet 4.6 currently has 28 sourced benchmark scores on BenchLM.

### How many benchmarks does Gemini 2.5 Pro cover on BenchLM?

Gemini 2.5 Pro currently has 9 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Sonnet 4.6 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-claude-sonnet-4-6)
- [Gemini 2.5 Pro vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-gemini-2-5-pro)
- [Claude Sonnet 4.6 vs GPT-6.1 Sol](/compare/claude-sonnet-4-6-vs-gpt-6-1-sol)
- [Gemini 2.5 Pro vs GPT-6.1 Sol](/compare/gemini-2-5-pro-vs-gpt-6-1-sol)

## Explore More

- [Claude Sonnet 4.6 profile](/models/claude-sonnet-4-6)
- [Gemini 2.5 Pro profile](/models/gemini-2-5-pro)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)
