According to @OpenAI, the company will start testing ads in the ChatGPT free and Go tiers in the coming weeks, source OpenAI via X on Jan 16, 2026. OpenAI stated the ad approach will prioritize user trust and transparency to keep AI broadly accessible, source OpenAI. The announcement did not specify ad formats, rollout regions, targeting, or opt-out controls, source OpenAI. No cryptocurrencies or blockchain integrations were mentioned, so there are no direct crypto market details in this update, source OpenAI. For traders, the key near-term data point is the stated timeline of coming weeks for ad testing within core ChatGPT products, source OpenAI.