Claude sonnet 4.5 will be the default for users, and Anthropic recommends it for every use. Paid subscribers can still choose ...
Anthropic’s new AI model coded a Slack-style app in just 30 hours, generating 11,000 lines of code. The company calls it the most advanced model for real-world agents, excelling in coding, ...
Anthropic also claims Sonnet 4.5 is its most aligned model yet, with fewer sycophantic answers and stronger defenses.