claude-opus-4.5
Claude Opus 4.5
Made by Anthropic. Sold by 3 providers, from $5.00 per million input tokens.
- Maker
- Anthropic
- Released
- 2025-11-24
- Context
- 200K tokens
- Max output
- 64K tokens
- Input
- text, image, pdf
- Output
- text
- Open weights
- No
- Knowledge cutoff
- 2025-05
Where to buy it
| Provider | Input $/M | Output $/M | Blended* | Holds your prompt | Training |
|---|---|---|---|---|---|
| Anthropic | $5.00 | $25.00 | $10.00 | runs it 🇺🇸 United States | off by default |
| Microsoft Azure | $5.00 | $25.00 | $10.00 | forwards 🇺🇸 United States | off by default |
| Google Vertex AI | $5.00 | $25.00 | $10.00 | runs it 🇺🇸 United States | off by default |
Blended is our calculation: (3 × input + output) ÷ 4, US dollars per million tokens — most calls read far more than they write. Tiers that are cheaper because they train on your data are not used for the “from” price.
Retirement dates
| Provider | Id on that provider | Shuts down | Source |
|---|---|---|---|
| Microsoft Azure | claude-opus-4-5 | 2026-11-24 | provider page |