New page: Claude opus 5.5
Confirmed17 evidence links
English original
Anthropic · model family
Claude Opus has 6 versions on record. The first released was Claude Opus 4.5 on 24 Nov 2025, the latest Claude Opus 5.5 on 22 Sep 2026.
USD / 1M tokens
| Model | Context window | Input USD / 1M tokens | Output USD / 1M tokens | Status |
|---|---|---|---|---|
Claude Opus 5.5Anthropic | 1M | $4.00 | $20.00 | Released · |
Claude Opus 5Anthropic | 1M | $5.00 | $25.00 | Released · |
Claude Opus 4.8Anthropic | 1M | $5.00 | $25.00 | Released · |
Claude Opus 4.7Anthropic | 1M | $5.00 | $25.00 | Released · |
Claude Opus 4.6Anthropic | 1M | $5.00 | $25.00 | Released · |
Claude Opus 4.5Anthropic | 200K | $5.00 | $25.00 | Released · |