Cheapest first. Prefer points per message or image; otherwise use 1,000 tokens (500 input + 500 output), 4,000 characters, a 1024×1024 image, or 10 seconds of video. “≈” marks an estimate; “From” marks a minimum or partial rate. Prompt, tool and media-input costs may be extra. Tiers use points regardless of the currency selected. Assumptions and conversion method.