Feels like an end of era, ordinary people will probably never again get upgraded frontier models.

Fable 5’s return shows how safety routing can downgrade a frontier model.

Now we only permissioned intelligence.

The cost of putting a gatekeeper inside intelligence.

To note, that safeguard is not a simple refusal layer; it is a classifier that sends flagged Fable 5 requests to Opus 4.8.

Fable 5 came back, but the old promise did not.

End of an era. ☹️