Summary
- Claude Fable 5.2 is now integrated and available for use within Devin.
- The model achieved the top spot on the FrontierCode 2.0 benchmark with a score of 49.1%, outperforming Fable 5.1 and Opus 5.5.
- Fable 5.2 demonstrates lower reasoning costs, surpassing previous model results at less than a third of the cost per task.
Why it matters
The integration of Claude Fable 5.2 into Devin offers developers significantly higher engineering benchmark performance at a reduced operational cost.