Ploy 7/13 AI-agent migration: Claude Opus 4.8 → GPT-5.6 Sol (per buzzing.cc HN)

aihot 2026-07-13 07:54 + buzzing.cc HN-translation feed: Ploy migrated its AI-agent default from Claude Opus 4.8 to GPT-5.6 Sol — build time 2.2x faster, cost -27%, output tokens halved, visual score +0.034 — but GPT-5.6 Sol silently fills defaults on 25 tool params, leaving 52-64% of file reads empty.