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Side-by-side comparison of GPT-4o Mini and GPT-5.3. GPT-4o Mini scores 38 on quality benchmarks at $0.75/1M tokens. GPT-5.3 scores 70 at $12.00/1M tokens.
GPT-4o Mini is the more affordable option and costs less per token. GPT-5.3 leads in quality benchmarks. For budget-conscious users, go with GPT-4o Mini. For maximum quality, choose GPT-5.3.
| GPT-4o Mini | GPT-5.3 | |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Tier | Budget | Frontier |
| Quality Score | 38 | 70 |
| Input Price | $0.15/1M | $2.00/1M |
| Output Price | $0.60/1M | $10.00/1M |
| Speed | 180 tok/s | 80 tok/s |
| Context Window | 128K | 400K |
| Max Output | 16K | 64K |
| Reasoning | No | Yes |
| Vision | Yes | Yes |
| Task | GPT-4o Mini | GPT-5.3 | Savings |
|---|---|---|---|
| Coding | $1.49 | $23.40 | GPT-4o Mini saves $21.91 |
| Writing | $0.40 | $6.24 | GPT-4o Mini saves $5.84 |
| Analysis | $0.82 | $13.00 | GPT-4o Mini saves $12.18 |
| $0.13 | $2.08 | GPT-4o Mini saves $1.95 | |
| Summarization | $0.26 | $4.16 | GPT-4o Mini saves $3.90 |
| Math & Reasoning | $0.49 | $7.80 | GPT-4o Mini saves $7.30 |