User: Opus 5 is "unusable" — it finds every way not to do what's asked even at max settings
RexDouglass · x · 2026-09-11
User RexDouglass complains that Opus 5 is "unusable": even at max settings, it finds every possible way not to do what it's asked.
A short but pointed piece of negative feedback on Anthropic's flagship model, reflecting frustration from some heavy users about instruction-following in the latest version.
More from Models
- Cognition ships SWE-2: first model at frontier-level performance, free for Devin users for a month — DeryaTR_ · 2026-09-11
- Genspark launches Gen-1 Slides, a work model priced at 1/17th of Opus 5 — Scobleizer · 2026-09-11
- OpenAI's Rumored Internal Model 'Bel' Could Be the Most Hyped Release Ever — imadade · 2026-09-11
- Model infers OSS software behavior from source snippets memorized in pretraining — voooooogel · 2026-09-11
- DeepSeek-V4.1-Flash rolls out to Ollama cloud Pro subscribers after Max and Team debut — ollama · 2026-09-11
- GPT-6 Astra called a computer-use model built for knowledge work like accounting — mckbrando · 2026-09-11