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Claude Code 2.1.316 enables tiered "thinking" depth for sub-agents to manage costs

Anthropic's Claude Code 2.1.316 introduces CLAUDE_CODE_SUBAGENT_EFFORT, allowing for differentiated "thinking" depths for sub-agents. This feature enables main agents to use higher effort settings for planning while sub-agents performing tasks like code searching or testing can use lower, more cost-effective settings. The update also includes CLAUDE_CODE_DISABLE_ULTRATHINK to prevent accidental cost increases and clarifies the effort level hierarchy for various models and configurations. AI

IMPACT Enables more cost-effective multi-agent workflows by allowing granular control over AI "thinking" depth for different tasks.

RANK_REASON This item details a new feature and configuration options for an existing AI coding tool, Claude Code, focusing on its practical application and cost management.

Read on Medium — Claude tag →

AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

Claude Code 2.1.316 enables tiered "thinking" depth for sub-agents to manage costs

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This item details a new feature and configuration options for an existing AI coding tool, Claude Code, focusing on its practical application and cost management.
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COVERAGE [2]

  1. Medium — Claude tag TIER_1 English(EN) · Automation Labs ·

    Claude Code Subagents vs Agent Teams vs Workflows: One Costs 7x

    <div class="medium-feed-item"><p class="medium-feed-image"><a href="https://medium.com/@automation.labs/claude-code-subagents-vs-agent-teams-vs-workflows-one-costs-7x-912f547d8bb7?source=rss------claude-5"><img src="https://cdn-images-1.medium.com/max/2600/0*D_N_KgFGJnDdxh4Q" wid…

  2. dev.to — LLM tag TIER_1 中文(ZH) · Twinkle Model ·

    How much effort should a sub-agent exert? Discussing effort stratification in multi-agent coding from Claude Code 2.1.316's CLAUDE_CODE_SUBAGENT_EFFORT.

    <blockquote> <p><strong>短版摘要(供短帖渠道使用)</strong><br /> 10 月 31 日发布的 Claude Code 2.1.316 新增了 <code>CLAUDE_CODE_SUBAGENT_EFFORT</code>:当没有其他设置指定时,子 Agent 用这个档位运行,而不再默认继承主会话的 effort。这看起来是个小开关,但对多 Agent 编码的成本影响很大:主会话开 xhigh 做规划,搜索、读代码、跑测试的子 Agent 往往用 medium 甚至 low 就够了。本文梳理 effort 的完整优先…