Fable 5.1 in Devin and Why It’s Cheaper than Opus 5 | Devin
The integration lowers Devin task costs by 10% to 25% following a prompt-caching rate cut to $0.25 per million tokens.
- Fable 5.1 is now available in Devin Desktop, Devin CLI, and Devin Cloud.
- Prompt-caching reads drop 75% to $0.25 per million tokens, cutting Fable end-to-end task costs by 54%.
- Fable 5.1 uses 33% fewer tokens than Opus 5 on FrontierCode benchmark tasks by making fewer tool calls.
- Eligible customers can use Claude Fable 5 and 5.1 under zero data retention agreements under a time-bound exemption.
Devin users gain access to Fable 5.1 with lower end-to-end execution costs and enterprise zero data retention options.
