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Side-by-side comparison for AI agent model selection.
Side-by-side comparison of GPT-5.5 and Claude Sonnet 4.1. GPT-5.5 scores 60 on quality benchmarks at $35.00/1M tokens. Claude Sonnet 4.1 scores 44 at $18.00/1M tokens.
GPT-5.5 has higher benchmark scores. Claude Sonnet 4.1 offers competitive value at a lower price point. For budget-conscious users, go with Claude Sonnet 4.1. For maximum quality, choose GPT-5.5.
| GPT-5.5 | Claude Sonnet 4.1 | |
|---|---|---|
| Provider | OpenAI | Anthropic |
| Tier | Frontier | Mid-Range |
| Quality Score | 60 | 44 |
| Input Price | $5.00/1M | $3.00/1M |
| Output Price | $30.00/1M | $15.00/1M |
| Speed | 81 tok/s | 80 tok/s |
| Context Window | 1.1M | 200K |
| Max Output | 128K | 16K |
| Reasoning | Yes | No |
| Vision | Yes | Yes |
| Task | GPT-5.5 | Claude Sonnet 4.1 | Savings |
|---|---|---|---|
| Coding | $67.50 | $35.10 | Claude Sonnet 4.1 saves $32.40 |
| Writing | $18.00 | $9.36 | Claude Sonnet 4.1 saves $8.64 |
| Analysis | $37.50 | $19.50 | Claude Sonnet 4.1 saves $18.00 |
| Research | $30.00 | $15.60 | Claude Sonnet 4.1 saves $14.40 |
| Math & Reasoning | $22.50 | $11.70 | Claude Sonnet 4.1 saves $10.80 |
| Creative | $15.00 | $7.80 | Claude Sonnet 4.1 saves $7.20 |