Claude 4.5 Can Work Autonomously for 30+ Hours — Why This Changes Everything for Enterprise AI
Anthropic's Claude Sonnet 4.5, released September 2025, can sustain continuous autonomous work for over 30 hours on realistic engineering tasks — a massive leap from earlier models that managed just hours.
Real-World Examples
Anthropic
Key Insight
Anthropic's Claude Sonnet 4.5, released September 2025, can sustain continuous autonomous work for over 30 hours on realistic engineering tasks — a massive leap from earlier models that managed just hours.
Exec Package + Claude OS Master Skill | Business Engineer Founding Plan
FourWeekMBA x Business Engineer | Updated 2026
Anthropic’s Claude Sonnet 4.5, released September 2025, can sustain continuous autonomous work for over 30 hours on realistic engineering tasks — a massive leap from earlier models that managed just hours.
The Benchmarks That Matter:
SWE-bench Verified: 77.2% — State-of-the-art for real-world software coding
OSWorld: 61.4% — Real-world computer tasks, up from 42.2% just four months earlier
30+ hours — Sustained autonomous work on complex engineering tasks
Why This Matters for Enterprise:
Previous AI models required constant human supervision. Claude 4.5 can:
Take a complex coding task and work through the night
Handle multi-step workflows without losing context
Claude 4.5 is best for sustained reasoning, complex autonomous tasks, and compliance-heavy interactions where you need an AI that can think deeply and work independently.
What is Claude 4.5 Can Work Autonomously for 30+ Hours — Why This Changes Everything for Enterprise AI?
Anthropic's Claude Sonnet 4.5, released September 2025, can sustain continuous autonomous work for over 30 hours on realistic engineering tasks — a massive leap from earlier models that managed just hours.
Gennaro Cuofano is a CRO and tech executive who has worked in AI since late 2015, starting with bringing NLP, natural-language generation, voice and chatbot products to the marketing industry. His background is in law and finance: he holds a Master's degree in Law and an International MBA with an emphasis on corporate finance (LUISS Business School and the University of San Diego, 2012), and worked as a financial analyst at a real-estate investment firm in San Diego and as an assistant controller. His work focuses on business model strategy, business engineering and, more broadly, structural analysis: how companies make money, read from their own filings. He created FourWeekMBA and leads research there and at The Business Engineer, his newsletter on AI and business strategy, with over 95,000 subscribers and more than 1,000 published analyses. His writing has also appeared on Entrepreneur (for example, How to Digitize a Family Business in Europe) and HackerNoon. Find him on LinkedIn and Substack. See how we source.
