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Side-by-side comparison for AI agent model selection.
Side-by-side comparison of GPT-5.5 and DeepSeek R1 (Free). GPT-5.5 scores 60 on quality benchmarks at $35.00/1M tokens. DeepSeek R1 (Free) scores 27 at Free/1M tokens.
GPT-5.5 has higher benchmark scores. DeepSeek R1 (Free) offers competitive value at a lower price point. For budget-conscious users, go with DeepSeek R1 (Free). For maximum quality, choose GPT-5.5.
| GPT-5.5 | DeepSeek R1 (Free) | |
|---|---|---|
| Provider | OpenAI | DeepSeek |
| Tier | Frontier | Free |
| Quality Score | 60 | 27 |
| Input Price | $5.00/1M | Free/1M |
| Output Price | $30.00/1M | Free/1M |
| Speed | 81 tok/s | 40 tok/s |
| Context Window | 1.1M | 64K |
| Max Output | 128K | 8K |
| Reasoning | Yes | Yes |
| Vision | Yes | No |
| Task | GPT-5.5 | DeepSeek R1 (Free) | Savings |
|---|---|---|---|
| Coding | $67.50 | Free | DeepSeek R1 (Free) saves $67.50 |
| Writing | $18.00 | Free | DeepSeek R1 (Free) saves $18.00 |
| Analysis | $37.50 | Free | DeepSeek R1 (Free) saves $37.50 |
| Research | $30.00 | Free | DeepSeek R1 (Free) saves $30.00 |
| Math & Reasoning | $22.50 | Free | DeepSeek R1 (Free) saves $22.50 |
| Creative | $15.00 | Free | DeepSeek R1 (Free) saves $15.00 |