tech
February 17, 2026
Anthropic Releases Claude Sonnet 4.5 in Latest Bid for AI Agents and Coding Supremacy
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TL;DR
- Anthropic's new AI model, Claude Sonnet 4.5, autonomously coded a chat app for 30 hours.
- The model generated approximately 11,000 lines of code, marking a significant advancement in autonomous AI operation.
- Claude Sonnet 4.5 is positioned as the leading model for real-world agents, coding, and computer use.
- The model shows particular strength in cybersecurity, financial services, and research.
- Anthropic is providing developers with virtual machines, memory, context management, and multi-agent support to build their own AI agents.
- Claude Sonnet 4.5 demonstrates over three times the computer navigation skill compared to Anthropic's technology from October of the previous year.
- The model can perform tasks like calendar scheduling, data analysis, and generating candidate profiles for hiring.
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