GPT-6 Astra vs GPT-5.6 Sol: 107 vs 91 confirmed bugs found across 50 real PRs

entelligenceai17 · reddit · 2026-09-10

A new evaluation benchmarks GPT-6 Astra vs GPT-5.6 Sol on bug-finding across 50 real PRs from Cal.com, Sentry, Discourse, Keycloak, and Grafana. Sol surfaced 107 confirmed bugs vs 91 for Astra, though Astra showed higher precision and lower latency. Every finding was independently verified; the authors are soliciting methodology feedback ahead of a Fable vs Opus round next week.

Related event: GPT-6 Astra Beats GPT-5.6 Sol 107-91 on Real-PR Bug Review(3 posts)→

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