What probably matters to youSection of the release
Unclear It is not clear whether this table decides the model directly or only applies when settings from Anthropic's servers are missing.
What
The fable alias is a short name that points to a Fable model. On the default provider it now points to claude-fable-5-2. Before, it pointed to claude-fable-5-1.
Nothing else in the table moved:
Through the gateway provider, fable still points to claude-fable-5.
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtIt is not clear whether this table decides the model directly or only applies when settings from Anthropic's servers are missing.
Anthropic's release notes agreeFixed auto mode running behind a gateway at ANTHROPIC_BASE_URL on a model whose gateway name contains "haiku"; such a model, other than…