xAI API responses now include exact request cost in `usage.cost_in_usd_ticks`.

Cost moves into the response itself, so usage handling can track spend at the request level.

It covers chat completions, Responses API, image generation, video generation, and streaming from the same usage object.

• Jul 06, 2026OpenAI upgraded ChatGPT memory to keep context current and reduce stale or contradictory saved memories.
• Jul 06, 2026OpenAI began rolling out ads for Free and Go users in the UK.
• Jul 06, 2026xAI streaming Speech to Text now supports Smart Turn end-of-turn detection.

This is the world we build in. It moves this fast. We move with it.