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Autonomy and agency

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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CURRENT ASSESSMENT · REVISION 1
TOWARD DOOM52confidence 88/100

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

  1. R1
    Toward 52 · confidence 88

    New historical record from Anthropic's launch and system card.

    11 Aug 2026

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DoomBench social sharing card for Claude Opus 4.5 expands long-running agents and computer use.

  1. 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.

  2. 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.

  3. 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