xAI has released its flagship model "Grok 4.6," which supports code generation and agent tool calling. The company positions this as the "most intelligent and fastest model" they have built. Grok 4.6 provides a variety of functions, including real-time conversation, speech recognition, and image and video generation. However, dedicated models and APIs are available for specific uses such as audio and images, while Grok 4.6 is recommended for general-purpose tasks and code processing.
xAI Releases Grok 4.6 with 2M Context Window
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The knowledge cutoff date is 2026-02-01. Additionally, a model name alias feature has been introduced, allowing users to automatically transition to the next version. Many users are encouraged to use aliases such as "<modelname>-latest," which automatically apply the latest features.
Sources: Grok 4 Fast now has 2M context window（HN 194pt・281コメント） (HN Search (backfill), 2025-11-09)