Fable 5.1 in Devin and Why It’s Cheaper than Opus 5

Introducing Fable 5.1 in Devin. Fable-level intelligence is now 54% cheaper – making it even cheaper than Opus – due to a change in caching. Devin’s Fusion harness is now even smarter and cheaper than before, matching Fable 5.1 on FrontierCode at 47% lower cost.