Grok 4.6
Released on August 12, 2026
Changes from previous version
A longer supplemental training run than Grok 4.5, with stronger first passes on interactive apps, more self-testing on long trajectories, and gains on GDPVal-AA v2 (1753 vs 1526) and DeepSWE v1.1 (65.9% vs 54%).
Release Summary
SpaceXAI's successor to Grok 4.5, jointly trained with Cursor for long-running agents and visual work. Matches GPT-5.6 Sol on the Artificial Analysis Intelligence Index (61 at High), scores 65.9% on DeepSWE v1.1 and 69.9% on CursorBench v3.2, and ships in Cursor, Grok Build, and the API as grok-4.6 at $2/$6 per million tokens (Fast is 2x).
Timeline
Amazon Bedrock
Grok 4.6 is generally available on Amazon Bedrock.
GitHub Copilot
Grok 4.6 becomes available in GitHub Copilot.
Grok 4.6 released
SpaceXAI releases Grok 4.6 in Cursor, Grok Build, and its API, with a 500K context window and low/medium/high/xhigh reasoning.