Opus 5's knowledge cutoff is May 2026; rollout appears limited to Claude Code
daniel_mac8 · x · 2026-08-29
The user adds details: Opus 5's knowledge cutoff is May 2026, yet the same question to Opus 5 in the Claude Desktop app still fails. This looks like a silent rollout to a subset of Claude Code users.
Related event: Opus 5.1 Reportedly Rolls Out With More Direct Answers(2 posts)→
More from Models
- Kimi-K3 prices rise 30% due to high demand — markjeffrey · 2026-08-29
- GLM-5.3 Launches on Baseten: 743B Open-Weight Model with ZDR — baseten · 2026-08-29
- GLM-5.3 launches on Baseten with 743B params and MIT license — baseten · 2026-08-29
- Qwen3.8-Flash-Next Excels in Local Agentic Coding Benchmark — WonderRico · 2026-08-29
- On Hunyuan rank anomaly: Reward noise masks generation gap — AlchainHust · 2026-08-29
- Qwen 27B outperforms on RTX 4090 due to speed stability — mayfer · 2026-08-29