OpenRouter’s Jeff Wang said Fable 5.1 is smarter with much better cache-hit economics, so they can offer it at under half the price of Fable 5 while improving fusion routing. That shows gateways can pass Anthropic’s cache-read cut through as an immediate end-user price win.
Key Takeaways
- ✓OpenRouter prices Fable 5.1 at under half of Fable 5, driven by cache-hit savings.
- ✓Fusion routing keeps improving as open- and closed-source cost curves keep falling.
- ✓Gateway users get Anthropic’s cache-read cut as an immediate sticker-price drop.