Astra 6 crushes Opus on formal verification, still tops two months post-launch

Developer Josh Purtell reports Astra remains the top pick for highly-verifiable, complex tasks two months after launch, beating Opus on TLA formal verification, while Fable 5.2 excels at interactive work.

2026-11-11 ~ 2026-11-11 · 2 related posts

• Astra still king at verifiable coding tasks 2 months post-release, dev benchmarks show — JoshPurtell · 2026-11-11
• Astra still rules high-complexity verifiable tasks two months on, Fable 5.2 wins interactive work — JoshPurtell · 2026-11-11