Your LLM provider will deprecate your model. xAI just gave 9 days' notice.

If your app has a hard-coded model ID, you are one provider email away from a production incident. Here is what just happened, and why it keeps happening. xAI: 8 models, ~9 days Around May 6, 2026, xAI emailed API customers announcing Grok 4.3 and the retirement of 8 models effective May 15, 2026, PM PT: grok-4-1-fast-reasoning, grok-4-1-fast-non-reasoning grok-4-fast-reasoning, grok-4-fast-non-reasoning grok-4-0709 grok-code-fast-1 grok-3 grok-imagine-image-pro That is roughly nine days of notice to find every hard-coded slug in your stack, test a replacement, and ship.