Claude is BACK! (30 Hours of Thinking!)

Model Performance & Benchmarks - Claude Sonnet 4.5% is considered the best coding model, demonstrating a significant advancement in coding ability [1] - On SWE-bench verified evaluation, Claude Sonnet 4.5% outperforms Opus 4.1% by a substantial margin, exceeding almost 20 percentage points compared to GPT-4 Code Interpreter and Gemini 1.5 Pro [1] - The model achieves top scores on Terminal Bench (50%), agentic tool use, and computer use benchmarks, excelling in high school math (Amy 2025 with Python) with a 100% score [1] Long Horizon Tasks & Efficiency - AI's ability to complete long horizon tasks is exponentially increasing, with the task duration AI can handle doubling every 7 months [1] - Claude Sonnet 4.5% can think independently for over 30 hours, indicating its suitability for agentic applications [1] - The industry is shifting towards measuring AI intelligence per watt, emphasizing the importance of task and token efficiency [2] Future Applications & Industry Impact - Anthropic is showcasing a vision of the future of software with "Claude Imagine," demonstrating the ability to generate applications on the fly within a desktop environment [1][2] - Claude is increasingly used to write its own code, with Anthropic's CEO stating that it writes the majority of the code for Claude [9][10] - Box tested Claude Sonnet 4.5% for data extraction accuracy with Box AI on 40,000 fields across 1500+ documents, and the model performed four percentage points better than Sonnet 4 [3][4] Pricing & Availability - Claude Sonnet 4.5% is priced at $3 per million input tokens and $15 per million output tokens, the same as Sonnet 4 [11] - Anthropic recommends immediate upgrading to Claude Sonnet 4.5% for all use cases [11]