Claude Opus 4.5 expands long-running agents and computer use
Anthropic released Claude Opus 4.5 across its apps, API, and major clouds with stronger coding, computer use, tool orchestration, multi-agent coordination, and longer-running workflows.
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Why it moved the index
A broadly deployed frontier model with improved computer use, persistent workflows, and multi-agent management directly increases practical consequential autonomy.
Assessment history
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R1
Toward 52 · confidence 88
New historical record from Anthropic's launch and system card.
11 Aug 2026
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DoomBench assesses “Claude Opus 4.5 expands long-running agents and computer use” as evidence moving toward doom, with magnitude 52 and confidence 88 out of 100 in the autonomy and agency category.
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The DoomBench assessment of “Claude Opus 4.5 expands long-running agents and computer use” is based on reporting from Anthropic and records the editorial rationale, source quality, attribution, and revision history.
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DoomBench summarizes “Claude Opus 4.5 expands long-running agents and computer use” as follows: Anthropic released Claude Opus 4.5 across its apps, API, and major clouds with stronger coding, computer use, tool orchestration,...
https://www.doombench.com/news/claude-opus-4-5-expands-long-running-agents-and-computer-use-2025-11-24