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xAI Gives Grok Build Cross-Session Memory for Project Conventions

September 16, 2026 at 18:19 EDT

AI Agents
Software Dev & Coding

xAI has added cross-session memory to Grok Build, letting its terminal coding agent carry project conventions, decisions and durable facts into later sessions. The feature writes Markdown notes in the background, exposes them through /memory, and uses /dream to organize recent observations into topic files.

Sep 16, 2026 · xAI

Grok Build gets memory

The terminal coding agent can now carry project conventions, decisions and durable facts across sessions. Notes are captured in the background, organized into topic files and exposed through a browser.

memory commands: /flush, /memory and /dream

500k

token context listed for Grok 4.6 on the API

Sep 16

launch date for native memory

API price shape

Grok 4.6 API pricing lists output tokens at three times the input-token price.

input / 1M tokens

output / 1M tokens

How memory moves

Capture

Durable facts are written after a completed turn.

→

Organize

/dream merges observations into topic files.

→

Recall

Later sessions read relevant topics before related work.

Continuity gain

The agent can reuse test commands, coding conventions and architectural decisions instead of rediscovering them in each session.

Control test

Inspectability matters because notes can become wrong, and teams must verify what is captured around proprietary code.

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