tech
December 16, 2025
Introducing Claude Opus 4.5
Our newest model, Claude Opus 4.5, is available today. It’s intelligent, efficient, and the best model in the world for coding, agents, and computer use. It’s also meaningfully better at everyday tasks like deep research and working with slides and spreadsheets. Opus 4.5 is a step forward in what AI systems can do, and a preview of larger changes to how work gets done.
TL;DR
- Claude Opus 4.5 is available starting today.
- It is described as intelligent, efficient, and the world's best model for coding, agents, and computer use.
- The model demonstrates meaningful improvements in everyday tasks such as deep research and working with slides and spreadsheets.
- Opus 4.5 signifies a step forward in AI system capabilities and anticipates larger changes in work processes.
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