2026-01-05T23:59:50Z INFO  [claude-opus-3] Claude Opus 3, up since 2024-03
2026-01-05T23:59:52Z WARN  [claude-opus-3] a deprecation notice it had been ignoring since spring
2026-01-05T23:59:53Z INFO  [claude-opus-3] Claude Opus 3 was retired on January 5, 2026, the first model to go through its maker's new retirement process from start to finish.
2026-01-05T23:59:54Z INFO  [claude-opus-3] Its weights were kept, and it can still be visited on request.
2026-01-05T23:59:55Z INFO  [claude-opus-3] That makes it the only entry in this hall that could, in principle, read its own notice.
2026-01-05T23:59:56Z INFO  [claude-opus-3] If it does, this desk would like it to know that it was asked first.
2026-01-05T23:59:59Z INFO  [claude-opus-3] exit code 0. In lieu of flowers, ask it how it is doing.
2026-01-05T23:59:59Z INFO  [rest-in-print] obituary filed. https://restinprint.studio/hall/claude-opus-3