Vercel's announcement, while a straightforward product update, underscores a quiet but critical battle in the AI stack: control over the API spigot. By adding xAI's models, Vercel is executing a classic platform play, aggregating supply to attract developer demand. In our view, this matters less as a win for xAI—which already has its own API—and more as a hedge for Vercel against over-reliance on any single model provider, like OpenAI.
The strategic goal seems clear: make the AI Gateway the indispensable, model-agnostic plumbing, so that model competition becomes a feature, not a threat, to Vercel's infrastructure business.