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GPT-5.5 Retired, Users Advised to Migrate from Codex

By PulseAugur Editorial · [1 sources] ·

The article discusses the retirement of a model named GPT-5.5, which was previously the default for the Codex CLI. It advises users to check their profiles, custom agents, and scheduled tasks for any lingering references to this model to avoid potential issues during migration to newer systems like GPT-6.1 Sol. AI

IMPACT Users of AI coding tools should ensure their systems are updated to avoid issues with retired model references.

RANK_REASON The item discusses a model retirement and migration advice, which falls under tooling and product updates rather than a frontier release.

Read on Medium — AI coding tag →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

GPT-5.5 Retired, Users Advised to Migrate from Codex

How we ranked this

Signal score
1 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
The item discusses a model retirement and migration advice, which falls under tooling and product updates rather than a frontier release.
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
model release, product
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
1 days old
Coverage has settled into its steady-state source set.

Full methodology in our editorial standards.

COVERAGE [1]

  1. Medium — AI coding tag TIER_1 English(EN) · Vishal chauhan ·

    GPT-5.5 Leaves Codex on October 14. Seven Migration Mistakes I’d Avoid.

    <div class="medium-feed-item"><p class="medium-feed-snippet">GPT-6.1 Sol is now the Codex CLI default, but a retired model name can still be hiding in your profiles, custom agents, scheduled tasks&#x2026;</p><p class="medium-feed-link"><a href="https://medium.com/@vishalchauhan19…

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