Claude Sonnet 5 vs Claude Sonnet 5.5
Price and specs side by side · USD per 1M tokens · verified 2026-10-11
// side by side
| metric | Claude Sonnet 5 | Claude Sonnet 5.5 |
|---|
| input / 1M | $2.00 | $2.00 |
| output / 1M | $10.00 | $10.00 |
| blended (3:1) | $4.00 | $4.00 |
| cache read / 1M | $0.20 | $0.10 |
| context | 1M | 1M |
| max output | 128K | 128K |
| input types | text · image · pdf | text · image · pdf |
| reasoning | yes | yes |
| tool calling | yes | yes |
| structured output | yes | yes |
| open weights | no | no |
| released | 2026-06-29 | 2026-09-28 |
| knowledge cutoff | 2026-01-31 | 2026-06 |
| lab | Anthropic | Anthropic |
// monthly cost scenarios
| workload | tokens in / out | Claude Sonnet 5 | Claude Sonnet 5.5 |
|---|
| Chatbot | 10M / 2M | $40.00 | $40.00 |
| RAG app | 50M / 5M | $150 | $150 |
| Coding agent | 20M / 10M | $140 | $140 |
// verdict
- Claude Sonnet 5 and Claude Sonnet 5.5 have the same blended price.