GPT-5.3-Codex being routed to GPT-5.2

github.com

February 11, 2026

1 min read

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Summary

GPT-5.3-Codex is being routed to GPT-5.2 in Codex CLI version 0.99.0-alpha.10. The user is subscribed to ChatGPT Pro and is operating on a Darwin 25.2.0 arm64 arm platform using the Ghostt terminal emulator.

Key Takeaways

The user is experiencing an issue where the Codex CLI is set to use gpt-5.3-codex, but the output indicates it is using gpt-5.2-2025-12-11.
The problem occurs despite both the config.toml and TUI being configured for gpt-5.3-codex.
The issue can be reproduced by running specific commands in the Codex CLI environment.
The expected behavior is for the system to utilize gpt-5.3-codex instead of gpt-5.2.

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Coverage & discussions

Hacker News · github.com

GPT-5.3-Codex being routed to GPT-5.2 ↗

Community discussions

Hacker News discussion ↗

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Analysis ready

Community Sentiment

Negative

Positives

The GPT-5.3-codex model is recognized as OpenAI's most cyber-capable reasoning model, indicating significant advancements in AI's ability to assist in cyber defense applications.

Concerns

Users are frustrated that they are being routed to a less capable model without notification, raising concerns about transparency and the value of their subscription.
The requirement for identity verification to access the powerful GPT-5.3-codex model creates barriers that could deter users from utilizing advanced AI capabilities.
Concerns about the potential misuse of the GPT-5.3-codex model highlight the ongoing ethical dilemmas surrounding powerful AI technologies and their regulation.
The slow response speed of the GPT-5.3-codex in the Codex CLI suggests performance issues that could hinder user experience and application effectiveness.