Grok 4.6 is now available in GitHub Copilot - GitHub Changelog

Grok 4.6 Released: Benchmarks, Pricing, and What It Means for Agent Builders

Grok 4.6 released August 12 for agents with self-verification, benchmark parity with frontier (AA 61), pricing $2/$6 per token—50% vs competitors. Internal verification reduces harness overhead and retry cost, improving agent ROI, though Terminal-Bench still weak (26% vs 34% frontier).