Thread · 4 stories · Mar 30 – Jun 13 · concluded
Peak-hour rate limits, rationed access, a dumbed-down Opus 4.6, then three outages in ten days and a measurable benchmark drop.
Jump to timeline ↓Through spring 2026 Anthropic's demand outran its capacity. It began trimming five-hour session limits in peak windows, then rationed access outright; users reported Opus 4.6 degrading at busy hours, which the company confirmed was compute rationing.
By June the symptoms were measurable: three outages in ten days and SWE-Bench-Pro pass rates falling from 65% to 57%.