Claude API - AppAuxin

Claude Now Watermarks Its Text: Which Models Are Marked and What You Can Do

Anthropic is quietly marking text from more Claude models. Here’s which ones, what’s confirmed, and what it means if you write or build with Claude.

Anthropic quadrupled the Messages API size cap from 32 MB to 128 MB. Here’s where it applies, where it doesn’t, and what still triggers a 413 error.

Anthropic and GSA just widened a 40% Claude discount to state, local and tribal governments. Here’s who qualifies and how buying works.

Anthropic will retire Claude Sonnet 4.5 on Nov 30. Here is what to switch to, and the removed API settings that can trip you up first.