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Side-by-side comparison of Gemini 3 Pro and GPT-5.3. Gemini 3 Pro scores 65 on quality benchmarks at $14.00/1M tokens. GPT-5.3 scores 70 at $12.00/1M tokens.
Gemini 3 Pro is the more affordable option. GPT-5.3 leads in quality benchmarks at a lower price point. For budget-conscious users, go with GPT-5.3. For maximum quality, choose GPT-5.3.
| Gemini 3 Pro | GPT-5.3 | |
|---|---|---|
| Provider | OpenAI | |
| Tier | Premium | Frontier |
| Quality Score | 65 | 70 |
| Input Price | $2.00/1M | $2.00/1M |
| Output Price | $12.00/1M | $10.00/1M |
| Speed | 90 tok/s | 80 tok/s |
| Context Window | 1.0M | 400K |
| Max Output | 66K | 64K |
| Reasoning | Yes | Yes |
| Vision | Yes | Yes |
| Task | Gemini 3 Pro | GPT-5.3 | Savings |
|---|---|---|---|
| Coding | $27.00 | $23.40 | GPT-5.3 saves $3.60 |
| Writing | $7.20 | $6.24 | GPT-5.3 saves $0.96 |
| Analysis | $15.00 | $13.00 | GPT-5.3 saves $2.00 |
| Research | $12.00 | $10.40 | GPT-5.3 saves $1.60 |
| Image Analysis | $3.60 | $3.12 | GPT-5.3 saves $0.48 |
| Math & Reasoning | $9.00 | $7.80 | GPT-5.3 saves $1.20 |