Anthropic

Anthropic's most capable model, excelling at complex analysis, nuanced content creation, and advanced coding tasks. Features superior reasoning and the ability to work autonomously on extended tasks.

The best combination of performance and speed for efficient, high-throughput tasks. Excellent balance of intelligence and cost-effectiveness.

Fastest and most compact model for near-instant responsiveness. Ideal for customer-facing applications and high-volume tasks.

Claude Opus 4.5 is Anthropic's latest AI model, launched on November 24, 2025. It is designed to be intelligent and efficient, excelling in coding, agents, and computer use. The model significantly improves performance in everyday tasks such as deep research and working with slides and spreadsheets. It is state-of-the-art in real-world software engineering tests and is available on various platforms, including apps, API, and major cloud services.

Claude Haiku 4.5 is Anthropic's latest small AI model, launched on October 15, 2025. It offers similar coding performance to the previous state-of-the-art model, Claude Sonnet 4, but at one-third the cost and more than twice the speed. This model excels in real-time, low-latency tasks, making it particularly beneficial for applications like chat assistants and customer service agents. Claude Haiku 4.5 also enhances the coding experience, providing a responsive environment for multiple-agent projects and rapid prototyping, while maintaining high intelligence and speed.