Claude Opus 4.5
Anthropic
- Context window
- 200K 200,000 tokens
- Max output
- 64K 64,000 tokens
- Input / Output
- text, image → text
API pricing
USD / 1M tokens
| Input | Output | Cached input |
|---|---|---|
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Input / output price · USD / 1M tokens
Signals 1
Specifications
Claude Opus 4.5 is a model from Anthropic, released on 24 Nov 2025. The context window is 200,000 tokens. The maximum output is 64,000 tokens. Pricing is $5.00 per million input tokens and $25.00 per million output tokens.
- Context window
- 200,000
- Max output
- 64,000
- Input
- text · image
- Output
- text
- Input · USD / 1M tokens
- $5.00
- Output · USD / 1M tokens
- $25.00
- Cached input · USD / 1M tokens
- $0.50
Questions
What is the context window of Claude Opus 4.5?
The context window is 200,000 tokens. The maximum output is 64,000 tokens.
How much does Claude Opus 4.5 cost?
Pricing is $5.00 per million input tokens and $25.00 per million output tokens. Cached input is $0.50 per million.
When was Claude Opus 4.5 released?
On 24 Nov 2025.