Ask HN: How did you like GPT-4.5?

1 point

10 months ago

I found it was the best model when the task at hand required only “writing” - no coding, tool use or reasoning. Like proofreading and suggesting better phrasing.

I think it would fare quite well against GPT-5 in writing tasks like the ones progress.openai.com.

I’m disappointed it’s been deprecated and there where not any comparisons with it in the GPT-5 demos.

ps: if someone here is on the pro plan and that still gives access to 4.5, could you please give it the prompts in progress.openai.com to see how it compares with 5?

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