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Side-by-side comparison for AI agent model selection.
Side-by-side comparison of Claude Sonnet 4.1 and Claude Sonnet 4.5. Claude Sonnet 4.1 scores 58 on quality benchmarks at $18.00/1M tokens. Claude Sonnet 4.5 scores 67 at $18.00/1M tokens.
Claude Sonnet 4.1 is the more affordable option. Claude Sonnet 4.5 leads in quality benchmarks at a lower price point. For budget-conscious users, go with Claude Sonnet 4.5. For maximum quality, choose Claude Sonnet 4.5.
| Claude Sonnet 4.1 | Claude Sonnet 4.5 | |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Tier | Mid-Range | Premium |
| Quality Score | 58 | 67 |
| Input Price | $3.00/1M | $3.00/1M |
| Output Price | $15.00/1M | $15.00/1M |
| Speed | 80 tok/s | 70 tok/s |
| Context Window | 200K | 1.0M |
| Max Output | 16K | 64K |
| Reasoning | No | Yes |
| Vision | Yes | Yes |
| Task | Claude Sonnet 4.1 | Claude Sonnet 4.5 | Savings |
|---|---|---|---|
| Coding | $35.10 | $35.10 | ~Same |
| Writing | $9.36 | $9.36 | ~Same |
| Analysis | $19.50 | $19.50 | ~Same |
| Creative | $7.80 | $7.80 | ~Same |