How many days will it take for GPT-4.5's API price to at least halve?
6
Ṁ1182
2026

Invalid contract

Resolves to the amount of days it takes for the average reduction of the cost for 1 Million Input and Output tokens for ChatGPT-4.5 as listed on https://openai.com/api/pricing/. For example, if input cost halves while output state the same, this counts as a 25% average reduction.

  • Update 2025-06-02 (PST) (AI summary of creator comment): - If GPT-4.5 never gets cheaper, the answer option representing "270 or more" days will be resolved YES.

  • Update 2025-06-02 (PST) (AI summary of creator comment): The creator has clarified that their intent is for this market to fully resolve after 270 days at the latest. If the price halving has not occurred by the 270-day mark, the market will be resolved at that time.

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@MingCat Resolves NO

@MingCat Resolves NO

bought Ṁ10 ???

In the GPT 4.1 announcement it was said that GPT 4.5 will be deprecated in the API on July 14th, 2025. https://openai.com/index/gpt-4-1/#:~:text=We%20will%20also,future%20API%20models. No plans to cut API cost.

@JaySocrates hmm, I suppose I'll still just resolve them all NO as they pass, in case they ever bring it back or something? not that I think it's likely

@MingCat I never asked, but when GPT 4.5 is removed from the API on July 14th, will you resolve all no?

@JaySocrates I think I will err on the side of caution since theoretically they may rerelease 4.5 if they get it to be cheaper. I agree this is very unlikely, though.

@MingCat also, the "more" of 270 or more means I will resolve that YES after 270 days if 4.5 never gets cheaper, so that should be trading much higher

@MingCat when you said "or more", that seems to me to mean "the price halves after 270 days" not "after 270 or never".

@MingCat Like, how would that ever resolve? When the market expires?

@JaySocrates the intent was so that the market could fully resolve after 270 days at the latest, but yeah this was ambiguous and I should've made that clearer, my bad!

@MingCat if you lost any mana on this I'm happy to reimburse you

@MingCat you're good, single-digit mana doesn't matter. In the future, I'd just add a "never" option. I also think Manifold should fix this type of issue directly in the design of these expected date markets. I remember the Grok 3.5 market was displaying an expected release date of May 45th at one point.

bought Ṁ150 ???

@MingCat Resolves NO, It has been 30 days since it was available on the API. https://community.openai.com/t/gpt-4-5-is-live-in-the-api/1131571?utm_source=perplexity

@JaySocrates You mean NO I assume right?

@MingCat Whoops, yeah, lol. I edited it. Resolves NO.

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