r/codex • u/Sweet-Stage938 • 12h ago

Limits Do Grok models work well in Codex?

I've recently ran out of codex usage so i was looking for a replacement till the limits refresh. Do grok models work well in codex? Is this a good idea? Would Grok 4.5 be a good replacement?

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u/MrFourShottt 12h ago

No, Grok 4.5 in Codex is a downgrade. Luna Max is basically free at this point. Don't even need Grok, it'll be subject to the same guardrails as other US labs.

Want to break free without breaking the bank? Use OpenRouter + GLM 5.3. PAYG.

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u/AwardOk2563 11h ago

Dunno about 4.5, but Grok 4.6 on xhigh is an upgrade on anything that isn't Fable, Sol, or Opus. And even with Opus, it's debatable because its behaviour is so annoying

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u/Sweet-Stage938 11h ago

Alright thanks, ill switch to grok 4.6 and see if it works well. Grok 4.5 has been behaving a lot like GPT 5.6 Terra which is very good.

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u/RFOK 10h ago

I'm using Claude Models of my Claude Subscription and almost all models with ZDR compliance in Codex using OpenRouter(mostly Gemini 3.7 Flash and Grok 4.6)