GPT 5.3

1. GPT-5.3 Codex stops working, even after saying it'll continue (www.reddit.com)

   +1 2h gpt-5codex

   Do anyone knows what's going on? I prefer 5.3-Codex for real work, it's straight and to the point, much more efficient in my opinion.

2. Parameter Estimate (www.reddit.com)

   +166 1d gpt-5geminiopus

   The estimate seems quite accurate. Many people have noticed a drop in quality with GPT-5.1, GPT-5.2, GPT-5.3, and Opus 4.7.

3. Copilot Student GPT-5.3-Codex removal from model picker (github.blog via hn)

   +21 3d copilotgpt-5codex

   Copilot Student GPT-5.3-Codex removal from model picker - GitHub Changelog Skip to contentSkip to sidebar /Blog Changelog Docs Customer stories Try GitHub CopilotSee what's new Search Changelog Docs Customer stories See what's newTry GitHu…

4. Claude Opus 4.7 review (www.reddit.com)

   +111 3d copilotopusopenai

5. Just got an email announcing GPT-5.3-Codex-Spark (www.reddit.com)

   +332 6d gpt-5codexopenai

   Just got this e-mail from OpenAI, two months too late. I hope they mean March, 20th 2027.

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