head-to-head
Google: Gemini Pro Latest vs Google: Gemini 3.1 Pro Preview
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-23.
| Google: Gemini Pro Latest | Google: Gemini 3.1 Pro Preview | |
|---|---|---|
| Vendor | ||
| Quality Score | 100 | 100 |
| Benchmark Score | - | 66.5 |
| Input Price | $2.00/M | $2.00/M |
| Output Price | $12.00/M | $12.00/M |
| Context Window | 1,048,576 | 1,048,576 |
| Max Output | 65,536 | 65,536 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | ✓ | ✓ |
| Benchmark Scores | ||
| ai_index | - | 49.0 |
| eqbench | - | 74.3 |
Who wins by task?
| Task | Google: Gemini Pro Latest | Google: Gemini 3.1 Pro Preview |
|---|---|---|
| SQL Generation | 132 | 143 |
| Code Review | 132 | 150 |
| Code Completion | 117 | 120 |
| Code Refactoring | 136 | 153 |
| Bug Fixing | 136 | 154 |
| Unit Test Generation | 124 | 135 |
| Code Documentation | 129 | 139 |
| Regex Writing | 117 | 125 |
| CI/CD Pipelines | 120 | 131 |
| Frontend Component Design | 122 | 130 |
| Data Analysis | 124 | 135 |
| CSV / Spreadsheet Cleanup | 132 | 139 |
| ETL Scripting | 128 | 142 |
| OCR / Document Parsing | 131 | 135 |
| Table Extraction from PDFs | 131 | 135 |
| Long-Document Summarization | 136 | 154 |
| Short-Form Summarization | 113 | 117 |
| Blog Post Writing | 120 | 131 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →
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