B.AI said it has officially launched Grok 4.6 on its API platform, giving users access to the upgraded model starting today. The company said Grok 4.6 marks a broad improvement over Grok 4.5 in complex task handling, deep reasoning, and overall intelligence, and said the model showed leading performance in the GPDVal-AA V2 evaluation. B.AI also introduced dual access options through official and self-selected service providers, alongside a 40% discount for both channels, a move aimed at lowering costs and giving developers more flexibility when integrating the model for demanding reasoning and other high-difficulty use cases.