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TRANSMISSION served its purpose. Four and a half months later, time to move on. Over the Memorial Day long weekend I rebuilt the site, and the more useful story is the workflow: Claude Opus 4.7 did the design judgment, Codex on GPT-5.5 did the execution, and the /goal function let Codex run autonomously for close to four hours at a stretch.
Nineteen days after cancelling Claude Max, my pattern has settled. Codex with GPT-5.4 on xHigh took the coding seat. Claude Code with Opus 4.7 on xHigh took every other seat at the desk.
I cancelled Claude Max after 13 months and US$1,892.38 in subscription fees. This is not a victory lap. It is a 30-day test to see whether I can keep shipping STRATUM, DIALOGUE, my course platform, and this site at the same pace with Codex as my primary tool.
Two weeks after my original comparison, both tools shipped major updates. Codex challenged my product strategy in ways Claude Code did not. Claude Code shipped Agent Teams and AutoMemory. The result: I am cutting my $200/month Max plan — and getting better output for less money.
After using Claude Code with Opus 4.6 daily for almost a year, I spent a week with Codex and GPT-5.4. The verdict: neither tool wins outright. The combination — cross-model review, complementary strengths, operational resilience — is better than either alone.