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Ask HN: Claude Code or Codex?

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41–50 of 55 posts

Re: Ask HN: Claude Code or Codex?

#42
I use Claude Max 5x

Although Codex and Claude seem to have the same price for similar plans, Claude's tokens run out much faster. But I can't complain about that because I get much better results. Especially when working with very complex systems, I don't need to repeatedly revise Claude's changes as much as Codex, so in some cases it might even be cheaper.

Also, in my experience, Claude tends to follow rules and instructions more consistently

Re: Ask HN: Claude Code or Codex?

#43
I have Max subscription to both Claude Code and Codex. I use both fulltime throughout the day. I have them check each other's work, and route tasks they are best at to the right one.

The checking each other's work is so helpful.

New features, mockups, I use Claude Code. Deep fact-checking, I use Codex.

My harness matters at least as much as the model. I use the best harness and then invest a ton in it

Re: Ask HN: Claude Code or Codex?

#44

I use Claude Max 5x Although Codex and Claude seem to have the same price for similar plans, Claude's tokens run out much faster. But I can't complain about that because I get much better results. Especially when working with very complex systems, I don't need to repeatedly revise Claude's changes as much as Codex, so in some cases it might even be cheaper. Also, in my experience, Claude tends to follow rules and ins…

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Re: Ask HN: Claude Code or Codex?

#45
post #43

I have Max subscription to both Claude Code and Codex. I use both fulltime throughout the day. I have them check each other's work, and route tasks they are best at to the right one. The checking each other's work is so helpful. New features, mockups, I use Claude Code. Deep fact-checking, I use Codex. My harness matters at least as much as the model. I use the best harness and then invest a ton in it

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Re: Ask HN: Claude Code or Codex?

#46
post #37

I use Claude Max, and I like that Fable can write code and run experiments on its own. I just check in occasionally to see how things are going and suggest the next direction. I expected Claude to be the clear favorite here, but there are more Codex users than I thought, so now I’m tempted to give it a try. That said, GPT translated this comment for me.

the ability to let fable work independently, run experiments and only check in occasionally is probably claude's strongest argument here. i'm also surprised by how codex-heavy the replies have been, although the pricing and usage limits seem to explain part of it. what kind of tasks are you comfortable leaving fable alone with, and how often does it take the project in a direction you need to undo? also, gpt translat…

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Re: Ask HN: Claude Code or Codex?

#48
My high level methodology: Claude code fable for planning and execution. Codex sol for review. My constraint for one task convergence is codex saying no issues found on 3 consecutive run for the current diff along with code coverage with tests (95% with unit tests and 85% for integration tests)

Re: Ask HN: Claude Code or Codex?

#49

My high level methodology: Claude code fable for planning and execution. Codex sol for review. My constraint for one task convergence is codex saying no issues found on 3 consecutive run for the current diff along with code coverage with tests (95% with unit tests and 85% for integration tests)

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Re: Ask HN: Claude Code or Codex?

#50

I switched to Codex in November 2025 because I couldn't stand the smarmy, "You're absolutely right" anymore. Codex at the time offered less sycophancy and more pushback when I was actually wrong. I also feel it writes cleaner code since it follows my instructions better to not write unrequested code, not create unnecessary abstractions, and not reinvent any wheels. I use LLMs on a tight-leash in HITL for web developm…

August 2025 for me but now days I’m much more extreme- it does it all max sol in mornings and then I do other things in the afternoon. I get more done than before with far less stress.
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