https://tokencost.app/blog/imagen-4-shutdown-gemini-3-1-flash-image-cost TokenCost en 2026-08-10T00:00:00.000Z Imagen 4 stops answering on August 17. Google's pages send you to two different replacements and one of them dies six weeks later. The model that costs less than Imagen 4 and has no end date of its own is named in neither. https://tokencost.app/blog/gpt-5-6-long-context-fast-mode-cost TokenCost en 2026-08-09T00:00:00.000Z On August 1 we wrote that nobody was going to bill you $20 per million input tokens. Four days later OpenAI let Fast mode accept long prompts, and now somebody will.