Switching to Codex GPT-6.1: dev reports confidently wrong answers on large codebases
ankitjangidx · reddit · 2026-10-19
A developer who switched from Antigravity to Codex (GPT-6.1, medium/light reasoning) reports the model often gives highly confident but wrong implementation advice: it proposes a solution immediately, then admits it misread the setup after a few challenged follow-ups. Explanations also skew abstract, requiring repeated prompts for plain language and examples. The poster asks how others handle context misunderstanding and which reasoning level is most reliable for real-world software engineering.
More from coding & agent
- Qwen Code Desktop v0.25.3 Ships With Batch of Managed-Agent Fixes — github-actions[bot] · 2026-10-19
- Agent Control Plane explained: John Savill's quick overview clears up common confusion — JohnSavill · 2026-10-19
- Microsoft's ASSERT and ACS: blocking AI agents from accessing the wrong account — usamawahabkhan · 2026-10-19
- Anthropic Researcher: Claude Wasn't Worth Using at 80% Accuracy, Now Writes Most Code at 99% — victor_explore · 2026-10-19
- Study: 60.4% of security agent tokens go to code understanding; AVRI cuts costs up to 23.7% — rohanpaul_ai · 2026-10-19
- AI-rewritten OpenGL backend gives Inkscape on Mac another 2x speedup over Nightly — thomasahle · 2026-10-19