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codex --model gpt-5.5 Not updated in the CLI yet

BACKGROUND
1 SIGNALFIRST DETECTED 23 April 2026
Narrative synthesis pending — 1 signal collected.
How the story developed
23 Apr
4.0
Other feeds and industry voices
3 May
so for coding which model do we use now?

<!-- SC_OFF --><div class="md"><p>Should I use gpt-5.5 or codex/gpt-5.3 ??</p> <p>I'm just coding </p> </div><!-- SC_ON --> &#32; submitted by &#32; <a

OPINION · WHAT · OpenAIOPEN STORY
2 May
Codex needs to keep up with recent OpenAI models

<!-- SC_OFF --><div class="md"><p>Not a complaint, I just find it amusing.</p> <p>When I ask Codex to analyze a python script that generates an image, I get this:</p> <p><code>

OPINION · WHEN · OpenAIOPEN STORY
9 Jul
If you're not seeing 5.6 in codex...

<!-- SC_OFF --><div class="md"><p>I had it on the website under &quot;work&quot; mode, but not in codex. Codex did not tell me it had an update available.</p> <p>`npm install -g

OPINION · WHAT · OpenAIOPEN STORY
23 Apr
GPT-5.5 is out but not yet in the OpenAI API - but in the ongoing battle with Anthropic over OpenClaw OpenAI made their Codex tool's private backend API a semi-approved mechanism... and that one has G

GPT-5.5 is out but not yet in the OpenAI API - but in the ongoing battle with Anthropic over OpenClaw OpenAI made their Codex tool's private backend API a semi-approved

OPINION · HOW · Simon WillisonOPEN STORY
23 Apr
Codex GPT 5.5 will not currently run without being in a sandbox with the newest version 0.124 alpha 2. Full permissions do not work even when set

<!-- SC_OFF --><div class="md"><p>I'm reporting this for the updated Aplha 2 update version 0.124.</p> <p>Was scheduled to perform 4 NIAH tests with a local model after being

OPINION · WHEN · OpenAIOPEN STORY
5 May
GPT-5.5 Instant: Smarter, Clearer, and More Personalized

&#32; submitted by &#32; <a href="https://www.reddit.com/user/rhiever"> /u/rhiever </a> <br /> <span><a href="https://openai.com/index/gpt-5-5-instant">[link]</a></span> &#32;

OPINION · WHAT · OpenAIOPEN STORY
3 Oct
OpenAI publishes a model guide for the GPT-6 family covering model choice, reasoning effort, and tool use

<table> <tr><td> <a href="https://www.reddit.com/r/OpenAI/comments/1wwq6yn/openai_publishes_a_model_guide_for_the_gpt6/"> <img alt="OpenAI publishes a model guide for the GPT-6

OPINION · WHAT · OpenAIOPEN STORY
2 Oct
ChatGPT Codex Web doesn't work

<table> <tr><td> <a href="https://www.reddit.com/r/OpenAI/comments/1wvqw3d/chatgpt_codex_web_doesnt_work/"> <img alt="ChatGPT Codex Web doesn't work"

OPINION · WHAT · OpenAIOPEN STORY
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