Claude Opus 4.5
Premium model combining maximum intelligence with practical performance.
- Image input
- Reasoning
- Coding
- Extended thinking
- Streaming
Specifications
| Provider | Anthropic |
|---|---|
| API model ID | claude-opus-4-5 |
| Released | November 2025 |
| Context window | 200,000 tokens |
| Max output | 32,000 tokens |
| Reasoning model | Yes |
| Price per 1M tokens (input / output) | See provider |
Specs as published by Anthropic. Prices are standard list prices before caching or batch discounts.
More Anthropic models
FAQ
- What is the context window of Claude Opus 4.5?
- Claude Opus 4.5 accepts up to 200,000 tokens of context and can return up to 32,000 output tokens per reply.
- When was Claude Opus 4.5 released?
- Anthropic released Claude Opus 4.5 in November 2025.
- How do I use Claude Opus 4.5?
- Add your Anthropic API key in DapperGPT, pick Claude Opus 4.5 in the model picker, and start chatting. You pay Anthropic directly for usage.