GPT-6 Release Broke His Automated Workflow, Heavy User Mulls Adding Claude

WhiteBoyWhoJumps · reddit · 2026-09-24

A developer running a fully automated grant-writing agency on Codex reports his previously flawless GPT-5.6 Sol/Luna workflows started struggling after the GPT-6 Luna/Sol releases, often needing extra prompting or hours of agent self-tinkering to recover. Frustrated with shrinking value of his 20x plan, and impressed by Opus 5.5 outputs (while wary of Anthropic's rate limits and weekly quota carve-outs), he's considering a Claude subscription for its agentic strength — asking dual-subscription users how the two recent model cycles have affected their work.

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