Releases Claude Code v2.1.284 Public — Claude Sonnet 5.5 added as default model and various stability improvements
News Anthropic releases Claude Sonnet 5.5: faster and cheaper per task while rivaling Opus 5.5 performance
Features "What has become cheaper?" — Sonnet 5.5's "30%" and the shift from price lists to consumption-based competition
News [Rumor] Claude Sonnet 5.5 arriving tomorrow? Leaker who correctly predicted Opus 5.5 says "next week," but the numbers look a bit suspicious