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Side-by-side comparison of GPT-5.3 and DeepSeek R1 (Free). GPT-5.3 scores 70 on quality benchmarks at $12.00/1M tokens. DeepSeek R1 (Free) scores 50 at Free/1M tokens.
GPT-5.3 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-5.3.
| GPT-5.3 | DeepSeek R1 (Free) | |
|---|---|---|
| Provider | OpenAI | DeepSeek |
| Tier | Frontier | Free |
| Quality Score | 70 | 50 |
| Input Price | $2.00/1M | Free/1M |
| Output Price | $10.00/1M | Free/1M |
| Speed | 80 tok/s | 40 tok/s |
| Context Window | 400K | 64K |
| Max Output | 64K | 8K |
| Reasoning | Yes | Yes |
| Vision | Yes | No |
| Task | GPT-5.3 | DeepSeek R1 (Free) | Savings |
|---|---|---|---|
| Coding | $23.40 | Free | DeepSeek R1 (Free) saves $23.40 |
| Writing | $6.24 | Free | DeepSeek R1 (Free) saves $6.24 |
| Analysis | $13.00 | Free | DeepSeek R1 (Free) saves $13.00 |
| Math & Reasoning | $7.80 | Free | DeepSeek R1 (Free) saves $7.80 |
| General Chat | $1.56 | Free | DeepSeek R1 (Free) saves $1.56 |