Claude Code version 2.1.316 introduces a new environment variable, CLAUDE_CODE_SUBAGENT_EFFORT, allowing developers to explicitly set the effort level for subagents. Previously, subagents inherited the session's effort level unless otherwise specified. This new variable provides more granular control over adaptive reasoning, impacting speed, cost, and the depth of analysis for tasks like code exploration. The change is detailed in the changelog and affects how subagents like 'Explore' function, with effort levels ranging from low to max, influencing token usage and billing. AI
IMPACT Enhances developer control over AI coding assistant behavior, potentially optimizing performance and cost for specific tasks.
RANK_REASON This is a software update for a specific developer tool, Claude Code, introducing a new configuration option.
Read on dev.to — Claude Code tag →
- Claude Code
- Claude Code 2.1.316
- CLAUDE_CODE_EFFORT_LEVEL
- CLAUDE_CODE_SUBAGENT_EFFORT
- Haiku 5.5
- Hermes IDE
- Opus 5.5
- Sonnet-5.5
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