Grok 4.6 and Grok Build 0.1 are xAI's two current flagship-adjacent models, and they are not competing options — they were built for different jobs and priced accordingly. ........ Grok 4.6, released
OpenRouter's Free Models Router is a single model ID that routes requests to whatever free model on the platform can handle them — no model selection, no cost, and no guarantee which model answers. ..
