Claude Opus 4.5
Intelligent, efficient, and the best model in the world for coding, agents, and computer use.
Claude Opus 4.5 is Anthropic’s November 2025 Opus-tier Claude model release for coding, agents, computer use, reasoning, deep research, and professional work, available through Claude apps, the Claude API, and major cloud platforms.
Pricing
Official Claude Platform pricing lists additional prompt-cache write prices for Claude Opus 4.5: $6.25/MTok for 5-minute cache writes and $10/MTok for 1-hour cache writes. MTok means one million tokens.
Anthropic's official Claude Platform pricing table lists Claude Opus 4.5 at $5 per million base input tokens and $25 per million output tokens, with cache hits/refreshes at $0.50 per million tokens. The official launch post confirms the Claude API model name and $5/$25 per million token pricing; it also describes vision capabilities, supporting multimodal classification.