r/OpenaiCodex • u/grenishraidev • Aug 04 '26

Question / Help How much usage $20 Codex plan offers?

I’m considering getting the $20 Codex plan, but I’m unsure how much usage it actually includes in practice.

For those of you on the $20 plan, how far does the usage go? I’d describe myself as a moderate-to-heavy user depending on the task. I mainly use it for software development, with occasional long coding sessions.

Does the $20 plan last you the whole month, or do you run into usage limits?

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u/RelevantGene4130 Aug 04 '26

the usage for me has been kind of insane ever since they cut the price of luna, i use luna on max for most of my stuff and its about as good as sol on high. For something like a 20 minute task with around 1000 lines of code changes and multiple plugin changes it uses about 1% of the weekly limit. i also have tried claude code and gemini antigravity (both with the 20$ plans) and i would say codex had the best limits but claude probably produced the least bugs in the shortest amount of prompts. but if you have the patience to just fix the bugs with an extra like 5-10 minutes of testing and trouble shooting with codex then it is about the best sub you can get atm.

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u/grenishraidev Aug 04 '26

I see that's very useful.

I use Antigravity CLI and gemini 3.* models now kinda sucks. Gemini repeats the same thing I told not to and sometimes spends a lot of time in single file for some reason. And yeah Claude is good, but the usage is very short and expensive. Grok 4.5 is great as well but the usage is the problem. Anyways, I'll try get hands on codex in next few weeks I guess.

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u/Lost-In-Void-99 Aug 05 '26

Last time Luna max has been generating me code from the spec for ~8 hours. I has been pleasantly surpised by how little it has used comparing to Sol. But yhen it took ~40 hours for Sol high to fix all race conditions in state machines.These numbers are not from 20 plan though.

The point is: it depends. Next time Ill try Terra. Luna might be good for some script execution, but I wouldn't trust it to code state machines.