It's a loss leader, and also credits can be used in more ways like integrating directly into a product (why would you do this? haven't really seen a great use case yet I dunno).

Enterprises would be my guess. At its current price, though, I honestly don't find Fable worth it (it's good, just too expensive).

Have you by any chance also tried GPT-5.6 Sol? Curious how that compares.

Price insensitive enterprises.