x.ai Introduces Grok Build (grok-4.6) for Agentic Coding

x.ai has introduced Grok Build (grok-4.6), a new coding model optimized for agentic coding workflows, available in early access.

Memory in Grok Build

Grok Build introduced a memory feature that allows it to retain project facts, decisions, and conventions across sessions.

Updated Grok API model and rate limit documentation

x.ai maintains comprehensive rate limits for their model suite, which now includes the grok-4.6 model and advanced reasoning models like grok-4.20-0309-reasoning.

Introduction of Speech to Speech API

The new Speech to Speech API enables real-time, bidirectional voice conversations over WebSocket, supporting function calling with web, X, and collections search tools.

Grok Bot Introduction and Guides

Speech to Speech API Release

New Speech to Speech API allows real-time voice conversations over WebSocket with support for function calling, web search, and X search.

Video Generation: Grok API Capabilities | SpaceXAI Docs

Docs describe Grok video generation via the Grok API, including configurable duration/aspect ratio/resolution and the model grok-imagine-video-1.5 (with native 1080p for text-to-video).

Image-to-Video Model Capabilities

x.ai documentation highlights the capabilities of their grok-imagine-video-1.5 model, which supports native 1080p resolution for image-to-video generation tasks.

Updated API Pricing with Batch Discounts and Priority Processing

SpaceXAI updated its API pricing structures to include batch discounts of 20% for specific models (including grok-4.3 and various grok-4.20 variants) and introduced Priority Processing, which offers higher scheduling…

Grok Bot 101

An overview guide introducing Grok Bot, posted Sep 11, 2026, explaining what Grok Bot is and what to do next.

Grok Bot for Engineering Guide Released

A new engineering guide highlighting how Grok Bot is being used internally at SpaceXAI to significantly accelerate development, including examples of shipping thousands of PRs and building entire apps in weeks.

Enterprise Adoption of Grok Voice Technologies

Recent enterprise use cases highlight the adoption of Grok-powered voice and speech-to-text agents in large-scale operations, including LiveKit integration and Starlink customer support.

Grok Bot Procurement Case Study

x.ai demonstrated the practical application of Grok Bot in procurement, showing it could identify significant savings by analyzing vendor and contract data.

Grok model service outage

x.ai is currently investigating a widespread outage affecting Grok on the web, Android, and API services.

Designing Grok Bot for Persistent Agents

x.ai published design details on the Grok Bot, highlighting its capability for persistent agent sessions that operate beyond a single chat window.

Grok Bot for Enterprise Launch

x.ai launched Grok Bot for Enterprise, featuring enhanced access, network, and audit controls, with a two-week free usage period for Grok and Cursor Enterprise customers.

Retirement of grok-imagine-image-quality model

x.ai announced the retirement of the 'grok-imagine-image-quality' model slug, effective November 2, 2026, which will be replaced by 'grok-imagine-image-2.0'.

API Model Retirement: grok-imagine-image-quality

x.ai announced the upcoming retirement of the grok-imagine-image-quality API model on November 2, 2026, transitioning users to grok-imagine-image-2.0.

Biosecurity at the frontier (Grok 4.6 evaluation)

LatchBio published an independent analysis evaluating Grok 4.6 on biological capability and biosecurity benchmarks, finding it to be a top-performing frontier model.

Grok Bot now works with X

Grok Bot has launched a new integration with the X platform, allowing users to search posts, read their timeline, and check mentions directly via the bot.

Grok Bot Usage Guides and Case Studies

SpaceXAI has released a series of 'Grok Bot Guides,' providing practical strategies for integrating AI teammates into workflows like mobile development, enterprise GTM, and PM tasks.

Grok 4.6 released on Microsoft Foundry

x.ai released its flagship model, Grok 4.6, which features a 500k context window and configurable reasoning levels, now available on Microsoft Foundry.

Grok 4.6 released on Microsoft Foundry

Grok 4.6, a flagship model featuring a 500k context window and configurable reasoning efforts, is now available on Microsoft Foundry.

Grok 4.6 Available on Google Cloud Vertex AI

The flagship Grok 4.6 model, which features a 500k context window and configurable reasoning, is now available via Google Cloud Vertex AI.

Grok 4.6 Flagship Model Release and Integrations

x.ai released Grok 4.6, their flagship model featuring a 500k context window and configurable reasoning efforts, making it available on the Gemini Enterprise Agent Platform and Microsoft Foundry.

Grok Bot Access Expanded to More Plans

x.ai has expanded access to its Grok Bot to include all SuperGrok Plus, Cursor Pro+, and Cursor Teams plans.

Grok Build Available for All Users

x.ai made 'Grok Build' available to all plans on web and mobile, allowing users to build live, functional apps directly within chat.

Grok 4.6 on Amazon Bedrock

Grok 4.6 is now generally available for developers via Amazon Bedrock.

Grok Build Now Available to All Users

Grok Build is now available for all plans on web and mobile, enabling users to create and share interactive apps, dashboards, and games directly within the chat interface.

Grok 4.6 and 4.5 API Incident

A brief service disruption occurred on August 17 affecting Grok 4.6 and 4.5 APIs, which was subsequently resolved.

Grok Speech to Speech API launch

x.ai launched a new flagship voice model, grok-voice-think-fast-2.0, with support for real-time speech-to-speech interaction.

Grok 4.6 in GitHub Copilot

Grok 4.6 was integrated into GitHub Copilot, allowing developers in VS Code and GitHub to utilize the new coding model.

Introducing Grok Bot

xAI launched Grok Bot, a team of always-on AI agents capable of operating within tools and apps to perform end-to-end work tasks.

Image 2.0 Released

xAI released Image 2.0, a new model for precise image generation and editing that supports advanced features like background removal, segmentation, and multi-ref editing.

Release of Grok Build 1.0.0 and Grok 4.5 Integration

x.ai released Grok Build 1.0.0, a major update to its coding agent tool now powered by the Grok 4.5 model.

Imagine 2.0 image generation model introduction

X.ai introduced Imagine 2.0, a new image generation model designed for precise creative work, now integrated into Grok as a tool.

Console Updates: Voice Agents and Telephony

The SpaceXAI Console added features for telephony and SMS support in voice agents, including Twilio integration and updated voice playgrounds.

Launch of Build Mode for Grok

xAI introduced Build Mode, allowing SuperGrok Heavy subscribers to create and share websites, apps, and games directly from Grok.

Grok API Reference-to-Video Capabilities

The Grok API introduced Reference-to-Video capabilities in the grok-imagine-video-1.5 model, allowing users to guide video generation using reference images and preset voices.

Imagine Video 1.5 with References | SpaceXAI

x.ai updated Imagine Video 1.5 to include support for image and voice references, native 1080p generation, and text-to-video capabilities.

Update to Grok Model Lineup and Grok Build

SpaceXAI continues to update its model lineup, with the latest offerings including the Grok 4.6 model for general tasks and Grok Build (v0.2.x) specifically for agentic coding workflows.

Greater Memphis Area Site Updates

SpaceXAI updated its status on the Memphis supercomputer facility, committing to a removal timeline for temporary mobile turbines by July 2027 while moving toward a permanent 1.2 GW power plant.

Introducing Grok Voice Think Fast 2.0

x.ai released Grok Voice Think Fast 2.0, a new voice model featuring improved speech reasoning, conversational abilities, and transcription accuracy, priced at $0.08 per minute of audio.

Grok 4.5 in GitHub Copilot

Grok 4.5, x.ai's latest model, is now available within GitHub Copilot for developers using VSCode and GitHub products.

Introducing Build Mode

x.ai launched Build Mode in Early Beta for SuperGrok Heavy subscribers, allowing users to create and share interactive apps, websites, and games directly within Grok.

Grok Productivity Add-ins Launch

x.ai launched Grok add-ins for Google Workspace (Docs, Sheets, Slides) and Microsoft 365 (Word, Excel, PowerPoint, Outlook), enabling AI assistance directly within these productivity applications.

Introduction of Workflows in Grok Build

Grok Build now supports Workflows, allowing users to orchestrate complex tasks across hundreds of parallel agents with built-in deep research capabilities.

Release of Grok 4.5

x.ai released Grok 4.5, their most intelligent model to date, across iOS, Android, web, and the X platform.

Grok for Outlook Released

x.ai released a Microsoft Outlook add-in that allows users to summarize email threads, draft replies, and organize their inboxes using Grok.

Grok for Excel Launch

Grok for Excel is introduced as a free Microsoft 365 add-in, allowing users to ask questions in plain English, write formulas, and run scenarios directly within Excel workbooks.