Given the pace AI is improving and that it doesn't give the exact same answers under many circumstances, is the the [in]stability of "preview" a concern?

GMail was in "beta" for 5 years.

ChatGPT 4.5 was never released to the public, but it is widely believed to be the foundation the 5.x series is built on.

Wonder how GP feels about the minor bumps for other model providers?