Claude Opus models
Anthropic
- Models
- 5
- 1 scored
- Cheapest call
- $0.1532
- Claude Opus 5.5
- Dearest call
- $0.1915
- Claude Opus 5
- Best bugs caught
- 90%
- Claude Opus 5.5
- Newest
- 2026-09-22
- Claude Opus 5.5
| Version | Model id | Released | Context | Max output | Input / 1M | Output / 1M | Cached input / 1M | Review call | Weights | Rank | Bugs caught |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Claude Opus 5.5 | claude-opus-5-5 | 2026-09-22 | 1M | 128K | $4.00 | $20.00 | $0.20 | $0.1532 | Closed | #1 | 90% |
| Claude Opus 5 | claude-opus-5 | 2026-07-24 | 1M | 128K | $5.00 | $25.00 | $0.50 | $0.1915 | Closed | – | – |
| Claude Opus 4.8 | claude-opus-4-8 | 2026-05-28 | 1M | 128K | $5.00 | $25.00 | $0.50 | $0.1915 | Closed | – | – |
| Claude Opus 4.7 | claude-opus-4-7 | 2026-04-16 | 1M | 128K | $5.00 | $25.00 | $0.50 | $0.1915 | Closed | – | – |
| Claude Opus 4.6 | claude-opus-4-6 | 2026-02-05 | 1M | 128K | $5.00 | $25.00 | $0.50 | $0.1915 | Closed | – | – |
| Compare | |||||
|---|---|---|---|---|---|
| 1 | Claude Opus 5.5Anthropic · Frontier | 90% | 1.7 | $0.1525 |
Updated Oct 16, 2026All pricespricing.json