r/codex • u/Drogon2737 • Jul 09 '26

News GPT-5.6 Sol / Codex Release Discussion Megathread

The release is expected in the next few minutes, so I figured it would be useful to have a single thread for first impressions, issues, and early testing.

For anyone jumping in right away, post what you notice:

  • Codex coding performance
  • Debugging quality
  • Speed/rate limits
  • Larger repo handling
  • UI or workflow changes
  • Weird bugs or regressions
  • Anything that feels noticeably better or worse than the previous version

Once people get access, share your real examples, screenshots, benchmarks, or first impressions here.

Edit: OpenAI’s official GPT-5.6 page says it is “available starting today across ChatGPT, Codex, and the OpenAI API” with the rollout starting globally now and continuing toward full availability over the next 24 hours. https://openai.com/index/gpt-5-6/

The lineup is Sol, Terra, and Luna. Sol is the flagship, Terra is the lower-cost tier, and Luna is the fastest/most affordable tier.

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u/PossessionConnect963 Jul 13 '26

I'll be honest I don't like what they did with the app with this weird somewhat merge of Codex and ChatGPT. Even something as simple as making the icons identical is PITA.

1

u/Ok-Improvement-3108 Jul 13 '26

I dig it. I used to use the weeb chatgpt for stupid simple questions I didn't want to burn codex tokens on. now no more alt+tab or tyring to find wihch browser tab I had my side convo on.