Frontier AI
On the Anthropic API, Claude Code now uses claude-haiku-5-5 as its default Haiku model: 1M context, $0.10 per million input tokens.
Why it matters. Tasks that Claude Code sends to Haiku switch model with no config change, so recheck their cost and output quality.
Source: Claude Code releases
Muse Wonder is available now in the Meta Model API and Muse Code, and Muse Wonder Full is limited to Muse Code subscribers.
Why it matters. The announcement gives no API pricing or context window, so test it before you plan any production use.
Source: Meta newsroom
Prompt and agent hooks written as plain instructions were allowing the actions they were meant to block, and this release fixes that.
Why it matters. If instruction hooks are your guardrails, update now and review what earlier versions may have let through.
Source: Claude Code releases
Short-term memory now costs $1.00 per GB ingested, $0.20 per GB retrieved and $0.10 per GB-month stored, replacing a flat rate per event.
Why it matters. Agents writing frequent small events gain most, though ingestion and retrieval bill each event at a 12 KB minimum.
Source: AWS What's New