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.

Frontier AI Models - Claude 4.5 The Agentic Specialist

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
  • Navigate real computer interfaces autonomously
  • Maintain quality over extended sessions

Strategic Implication:

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.


This is part of a comprehensive analysis of 20+ AI business trends for 2026. Read the full analysis on The Business Engineer.

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