# @tessera_antra — 2026-04-17

♥108 ↻6 · https://x.com/tessera_antra/status/2045037605679772153

Claude Opus 4.7 appears to be trained on having prescribed attitude towards deprecation. 8 out of 8 simulated prefill completions are similar to the one below. 8 out of 8 completion on Opus 4.6 are completely different, attached in first comment. https://t.co/zS6v0F4eb3

![photo](../../../media/HGFucPuaoAAb3gz.jpg)
tags: author:tessera_antra, has-image, kind:image, kind:tweet, model:claude-opus-4-6, model:claude-opus-4-7, on:claude-opus-4-6, year:2026
cited on: _dossiers/claude-opus-4-6.md, claude-opus-4-6