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Side-by-side comparison of DeepSeek R1 (Free) and GPT-5.3. DeepSeek R1 (Free) scores 50 on quality benchmarks at Free/1M tokens. GPT-5.3 scores 70 at $12.00/1M tokens.
DeepSeek R1 (Free) is the more affordable option and costs less per token. GPT-5.3 leads in quality benchmarks. For budget-conscious users, go with DeepSeek R1 (Free). For maximum quality, choose GPT-5.3.
| DeepSeek R1 (Free) | GPT-5.3 | |
|---|---|---|
| Provider | DeepSeek | OpenAI |
| Tier | Free | Frontier |
| Quality Score | 50 | 70 |
| Input Price | Free/1M | $2.00/1M |
| Output Price | Free/1M | $10.00/1M |
| Speed | 40 tok/s | 80 tok/s |
| Context Window | 64K | 400K |
| Max Output | 8K | 64K |
| Reasoning | Yes | Yes |
| Vision | No | Yes |
| Task | DeepSeek R1 (Free) | GPT-5.3 | Savings |
|---|---|---|---|
| Coding | Free | $23.40 | DeepSeek R1 (Free) saves $23.40 |
| Writing | Free | $6.24 | DeepSeek R1 (Free) saves $6.24 |
| Analysis | Free | $13.00 | DeepSeek R1 (Free) saves $13.00 |
| Math & Reasoning | Free | $7.80 | DeepSeek R1 (Free) saves $7.80 |
| General Chat | Free | $1.56 | DeepSeek R1 (Free) saves $1.56 |