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Side-by-side comparison for AI agent model selection.
Side-by-side comparison of GPT-5.5 and Gemini 3 Pro. GPT-5.5 scores 60 on quality benchmarks at $35.00/1M tokens. Gemini 3 Pro scores 46 at $14.00/1M tokens.
GPT-5.5 has higher benchmark scores. Gemini 3 Pro offers competitive value at a lower price point. For budget-conscious users, go with Gemini 3 Pro. For maximum quality, choose GPT-5.5.
| GPT-5.5 | Gemini 3 Pro | |
|---|---|---|
| Provider | OpenAI | |
| Tier | Frontier | Premium |
| Quality Score | 60 | 46 |
| Input Price | $5.00/1M | $2.00/1M |
| Output Price | $30.00/1M | $12.00/1M |
| Speed | 81 tok/s | 90 tok/s |
| Context Window | 1.1M | 1.0M |
| Max Output | 128K | 66K |
| Reasoning | Yes | Yes |
| Vision | Yes | Yes |
| Task | GPT-5.5 | Gemini 3 Pro | Savings |
|---|---|---|---|
| Coding | $67.50 | $27.00 | Gemini 3 Pro saves $40.50 |
| Writing | $18.00 | $7.20 | Gemini 3 Pro saves $10.80 |
| Analysis | $37.50 | $15.00 | Gemini 3 Pro saves $22.50 |
| Research | $30.00 | $12.00 | Gemini 3 Pro saves $18.00 |
| Image Analysis | $9.00 | $3.60 | Gemini 3 Pro saves $5.40 |
| Math & Reasoning | $22.50 | $9.00 | Gemini 3 Pro saves $13.50 |