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Side-by-side comparison of GPT-5.3 and Grok 4. GPT-5.3 scores 70 on quality benchmarks at $12.00/1M tokens. Grok 4 scores 68 at $18.00/1M tokens.
GPT-5.3 has higher benchmark scores and costs less per token. Grok 4 offers competitive value. For budget-conscious users, go with GPT-5.3. For maximum quality, choose GPT-5.3.
| Task | GPT-5.3 | Grok 4 | Savings |
|---|---|---|---|
| Coding | $23.40 | $35.10 | GPT-5.3 saves $11.70 |
| Writing | $6.24 | $9.36 | GPT-5.3 saves $3.12 |
| Analysis | $13.00 | $19.50 | GPT-5.3 saves $6.50 |
| Research | $10.40 | $15.60 | GPT-5.3 saves $5.20 |
| Math & Reasoning | $7.80 | $11.70 | GPT-5.3 saves $3.90 |
| General Chat | $1.56 | $2.34 | GPT-5.3 saves $0.78 |