Claude Sonnet 5.5
openrouter / anthropic/claude-sonnet-5.5
Input price
$2
per 1M tokens
Output price
$10
per 1M tokens
Context
1,000K
tokens
Capabilities
✓ Reasoning✓ Tool calls✓ Image input— Open weights
| cache read | $0.1 |
| cache write | $2.5 |
| Context | 1,000,000 tokens |
| max output | 128,000 tokens |
| Released | 2026-09-28 |
| Data updated | 2026-09-28 |
Prices are official/data-source rates (per 1M tokens), not what relays actually charge — relay prices vary with discounts and group multipliers. See methodology.