5 Biggest AI Stories: Week of Apr 13-19, 2026
Here are the 5 biggest AI stories from the week of April 13–19, 2026. 1. Anthropic: Claude Opus 4.7 Anthropic released Claude Opus 4.7 this week. The headline numbers: 3× more production bugs fixed on SWE-bench compared to the previous model 98.5% on vision tasks — near-perfect image understanding New /ultrareview command in Claude Code for deeper code analysis The catch: Opus 4.7 uses a new tokenizer that adds up to 35% more tokens on code-heavy tasks, which increases cost even though the per-token price stayed the same. If you work with a lot of code, run the math on your current usage before upgrading. ...