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.