Anthropic altered the Sonnet 5 cost-performance chart after the initial version showed the model underperforming compared to Opus 4.8. The replacement chart presents a more favorable comparison.…
Anthropic's Fable 5 returned from export control and Sonnet 5 shipped the same week a Claude Code agent recursively deleted a developer's project, marking a moment when AI capability and control curve…
Anthropic's most powerful model, Fable 5, has been taken offline worldwide since June 12 following an emergency US Commerce Department directive citing national security concerns after a jailbreak met…
Anthropic released Claude Sonnet 5, a new model optimized for agentic AI tasks, offering performance similar to Opus models at lower costs. Starting September 1, Sonnet 5 will cost $3 per million inpu…