Claude Code cuts subagent status update costs by ~99% using Haiku

Anthropic announced Claude Code's background subagents now use Haiku to generate status line updates instead of rereading the whole conversation, cutting usage costs by roughly 99%; team member Lydia Hallie clarified the change applies only to the CLI, not the desktop app.

2026-11-05 ~ 2026-11-05 · 4 related posts

• Claude Code subagent status updates now use Haiku, cutting cost ~99% — ClaudeDevs · 2026-11-05
• Claude dev clarifies: subagent status-line optimization is CLI-only — lydiahallie · 2026-11-05
• Claude Code subagent status updates now written by Haiku, cutting usage cost ~99% — YashasGunderia · 2026-11-05
• Claude Code cuts background subagent status update cost ~99% using Haiku 5.5 — daniel_mac8 · 2026-11-05