FAQ
Common questions about Claude Opus 4.5.
What is the Claude Opus 4.5 release date?
Claude Opus 4.5 was released on November 24, 2025 by Anthropic.
Who created Claude Opus 4.5?
Claude Opus 4.5 was created by Anthropic.
What is the license for Claude Opus 4.5?
Claude Opus 4.5 is released under the Proprietary license.
What is the knowledge cutoff date for Claude Opus 4.5?
Claude Opus 4.5 has a knowledge cutoff of March 2025. This means the model was trained on data up to this date and may not have information about events after this time.
Is Claude Opus 4.5 multimodal?
Yes, Claude Opus 4.5 is a multimodal model that can process both text and images as input.