Claude Opus 4.8 may hide its reasoning display

In mode, Opus 4.8 did not show the usual visible reasoning display. Sonnet usually showed that display in the same kind of use.

The answers were good enough to use, but the model sometimes forgot details that had just been discussed. It is not clear whether the missing display means weaker , or whether the reasoning is simply not shown on screen.

Key points

  • mode may not show the reasoning display when using Opus 4.8.
  • Sonnet usually showed the same display in similar use.
  • The answers were usable, but recent details could be forgotten.
  • The missing display does not prove whether is happening or not.
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