Grok 4.3 is now live on the xAI API. It’s our fastest, most intelligent model to date.
It tops the
@ArtificialAnlys leaderboards in agentic tool calling and instruction following, and ranks #
1# in
@ValsAI enterprise domains like case law and corporate finance.
Grok 4.3 supports a 1 million token context window and is priced at $1.25/m input and $2.50/m output.
Create an API key and start building: