All modelsCalculate what your real prompts cost on Claude Opus 4.5
Claude Opus 4.5
Anthropic model, released 24 Nov 2025.
$5.00
per 1M input tokens
$25.00
per 1M output tokens
$0.5
per 1M cached-read tokens
Price history
Price stable since we started tracking (7 Jul 2026). History will chart here as soon as it moves.
Specifications
- Lab
- Anthropic
- Released
- 24 Nov 2025
- Context window
- 200k tokens
- Max output
- 64k tokens
- Input modalities
- file, image, text
- Output modalities
- text
- Knowledge cutoff
- —
- Open source
- No
Frequently asked questions
How much does Claude Opus 4.5 cost?
Claude Opus 4.5 costs $5.00 per 1M input tokens and $25.00 per 1M output tokens (list price, updated every 6 hours).
What is Claude Opus 4.5's context window?
Claude Opus 4.5 supports a 200k-token context window with up to 64k output tokens.