head-to-head
Google: Gemini 3.1 Pro Preview vs Anthropic: Claude Sonnet 4.6
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-23.
| Google: Gemini 3.1 Pro Preview | Anthropic: Claude Sonnet 4.6 | |
|---|---|---|
| Vendor | anthropic | |
| Quality Score | 100 | 100 |
| Benchmark Score | 66.5 | 69.7 |
| Input Price | $2.00/M | $3.00/M |
| Output Price | $12.00/M | $15.00/M |
| Context Window | 1,048,576 | 1,000,000 |
| Max Output | 65,536 | 128,000 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | ✓ | - |
| Benchmark Scores | ||
| ai_index | 49.0 | 49.6 |
| aider_polyglot | - | 61.3 |
| eqbench | 74.3 | 80.0 |
Who wins by task?
| Task | Google: Gemini 3.1 Pro Preview | Anthropic: Claude Sonnet 4.6 |
|---|---|---|
| SQL Generation | 143 | 154 |
| Code Review | 150 | 161 |
| Code Refactoring | 153 | 162 |
| Bug Fixing | 154 | 166 |
| Unit Test Generation | 135 | 144 |
| Code Documentation | 139 | 142 |
| Regex Writing | 125 | 129 |
| CI/CD Pipelines | 131 | 138 |
| Frontend Component Design | 130 | 137 |
| Data Analysis | 135 | 147 |
| CSV / Spreadsheet Cleanup | 139 | 145 |
| ETL Scripting | 142 | 150 |
| JSON Extraction | 121 | 125 |
| Bulk Data Labeling | 117 | 118 |
| OCR / Document Parsing | 135 | 140 |
| Table Extraction from PDFs | 135 | 140 |
| Long-Document Summarization | 154 | 161 |
| Short-Form Summarization | 117 | 118 |
| Blog Post Writing | 131 | 137 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →
Related comparisons
Anthropic: Claude Haiku Latest vs Google: Gemini 3.1 Pro Preview
Anthropic: Claude Sonnet Latest vs Anthropic: Claude Sonnet 4.6
Anthropic: Claude Sonnet Latest vs Google: Gemini 3.1 Pro Preview
ByteDance Seed: Seed-2.0-Lite vs Anthropic: Claude Sonnet 4.6
ByteDance Seed: Seed-2.0-Lite vs Google: Gemini 3.1 Pro Preview
ByteDance Seed: Seed-2.0-Mini vs Google: Gemini 3.1 Pro Preview
Google: Gemini 3.1 Flash Lite Preview vs Anthropic: Claude Sonnet 4.6
Google: Gemini 3.1 Flash Lite Preview vs Google: Gemini 3.1 Pro Preview