# Live news

Canonical: https://ournews.ai/live/0f169d17-8001-4638-b841-1ce71af0fe27
Published: 2026-11-04T22:36:09.537040+00:00
Updated: 2026-11-04T22:36:09.537040+00:00

Claude Code CLI v2.1.316+ uses Haiku 5.5 for background-agent status updates: ~99% less usage per update, ~5% per session, Anthropic says. Live for most Pro/Max/Ultra and all Team/Enterprise users.

Source: ClaudeDevs — announcement and rollout details — https://x.com/ClaudeDevs/status/2118063143167693011
Source date: 2026-11-04T19:29:39.698000+00:00