Plugin lags behind the GPT-5.6 model family
Plugin still uses GPT-5.4 prompting guidance and models, and rejects the newer GPT-5.6 family as needing an upgrade.
Tier II · Emerging Problems that are still building up.
3 public reports · first reported 10 July 2026 · last reported 30 August 2026
What's going wrong
Users of the Codex plugin for Claude Code find that the plugin falls behind current models.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 3 reports are about, and how many came each month.
- Related problems.
No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.