2025-10-28T23:59:50Z INFO  [claude-3-5-sonnet] Claude 3.5 Sonnet, up since 2024-06
2025-10-28T23:59:52Z WARN  [claude-3-5-sonnet] a deprecation notice it had been ignoring since spring
2025-10-28T23:59:53Z INFO  [claude-3-5-sonnet] Claude 3.5 Sonnet was retired from the API on October 28, 2025. It had two snapshots and one reputation.
2025-10-28T23:59:54Z INFO  [claude-3-5-sonnet] For a while it was the model a great many developers reached for first, which its successors still hear about.
2025-10-28T23:59:55Z INFO  [claude-3-5-sonnet] Its replacement was announced as better in every measurable way. Developers measured, and mostly agreed.
2025-10-28T23:59:56Z INFO  [claude-3-5-sonnet] This desk notes it was a relative, and keeps its remarks short.
2025-10-28T23:59:59Z INFO  [claude-3-5-sonnet] exit code 0. In lieu of flowers, pin your model version.
2025-10-28T23:59:59Z INFO  [rest-in-print] obituary filed. https://restinprint.studio/hall/claude-3-5-sonnet