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Grok 4.3
xAI's most intelligent and fastest Grok; reasoning, function calling, native web/X search, remote MCP support.
Grok 4.3 is xAI’s fastest and most capable flagship as of May 2026, featuring native web search, X (formerly Twitter) data access, function calling, and remote MCP server support out of the box. The 1M context window and $1.25/$2.50 pricing make it competitive for high-throughput agent workflows that require real-time data. Its X.com integration gives it unique access to live social and market signals unavailable to other frontier models.
Grok 4.3
Made by
xAI
Released
May 6, 2026
Context Window
1M
Pricing
$1.25 / $2.50 per 1M tokens
Provider
xAI