https://app.sentisense.ai/stories/anthropic-shipped-opus-5-5-on-the-rumored-tuesday-with-its-own-caveat-09222026 2026-09-23T07:19:12Z SentiSense en 2026-09-23T01:30:00Z Anthropic shipped Opus 5.5 on the rumored Tuesday. Its numbers come with its own caveat