Models

Grok 4.6

2 synchronized stories carry this tag.

Grok Build adds project-scoped and global persistent memory

Grok Build now writes durable conventions, decisions and project facts to background-generated Markdown notes, then reads relevant topics in later coding sessions. Project workspaces remain separate from a global preference scope; /memory exposes a read-only browser, /dream consolidates notes, and current-session instructions are documented to override stored memory.

Why it matters: Persistent memory can stop coding agents from relearning commands and architecture, but it also creates a new background-written source of authority. Incorrect, stale or cross-scope notes can steer later edits even when the relevant fact never appears in the…

Read storyOriginal source · x.ai

Grok 4.6 ships with 500K context and tiered long-context pricing

xAI released Grok 4.6 for coding, agentic tasks, knowledge work, and image input. The API exposes a 500,000-token context window, four reasoning levels, and per-million-token prices of $2 input and $6 output below 200,000 prompt tokens, doubling above that threshold.

Why it matters: The release pairs a frontier agent model with unusually explicit context limits and a material long-context price step.

Read storyOriginal source · x.ai