Databricks engineering lead Patrick Wendell said Astra is now rolled out to every engineer (N≈3500). Versus prior top models Opus 5 and Sol 5.6, Astra clearly wins on highly complex work—especially high-level system design and long-range horizontal tasks—and engineers with Astra increased overall coding spend by about 60% vs baseline. Gains on medium/low-complexity coding look unclear and may be saturated by earlier models. The company piloted with ~200 users via Unity Gateway cohort experiments, and gives engineers an Astra-specific sub-budget so they use it selectively on hard tasks while preferring cheaper models day to day. A robust Astra-vs-Fable comparison is not available yet because Fable has not been rolled out widely due to data-retention policies.

Key Takeaways

  • ✓Rolled out to ~3500 engineers; Astra clearly beats Opus 5 and Sol 5.6 on hard system-design / long-range tasks
  • ✓Engineers with Astra raised coding spend ~60%; medium/low-complexity gains look limited
  • ✓Piloted ~200 users via Unity Gateway cohort experiments; Astra sub-budgets encourage selective use
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