Claude Sonnet 5 Just Leaked. Anthropic Might Drop It During the Super Bowl.
Developers found 'claude-sonnet-5@20260203' in Google Vertex AI logs. Codenamed 'Fennec,' early tests show it matches Opus performance at half the price.
Sonnet 5 - Latest News & Analysis
In-depth coverage, analysis, and updates on Sonnet 5 in AI and tech. 1 articles on AI Pulse.