Grok News - TestingCatalog

28 Mar 2026 · 2 min read

xAI prepares Skills support for Grok to rival Claude and ChatGPT

xAI is developing a Custom Skills feature for Grok, letting users create and import modular instruction sets seen in code hints, but not yet launched.

1 Mar 2026 · 2 min read

xAI tests Voice Cloning on Grok for iOS with shareable voices

xAI is developing a Voice Cloning feature for Grok’s iOS app, letting users record and share their own voices for use within Grok and via links.

15 Feb 2026 · 3 min read

xAI tests Arena Mode with Parallel Agents for Grok Build

xAI's Grok Build is evolving into a full IDE with multi-agent coding, arena mode, dictation, browser-style tabs, and GitHub integration.

1 Feb 2026 · 1 min read

xAI launches Grok Imagine API for text-to-video and editing tools

xAI’s Grok Imagine API now lets developers create text-to-video and image-to-video content with synced audio, supporting multiple aspect ratios.

25 Jan 2026 · 1 min read

xAI leaks internal Dev Models override section on Grok

xAI is testing a “Dev Models” feature for Grok, enabling advanced model config management, but it remains unclear if this tool will reach real users.

8 Jan 2026 · 2 min read

Early look at Grok Build, upcoming vibe coding agent from xAI

What we know so far: Grok Build will arrive as a CLI tool along with a web UI support on Grok. Remote coding agents are planned to arrive later, too.

6 Jan 2026 · 1 min read

xAI raises $20 billion to expand Grok AI models and enterprise tools

xAI has raised $20 billion in Series E funding to expand its Colossus GPU clusters and advance Grok AI features for enterprise and developer use.

4 Jan 2026 · 1 min read

ICYMI: xAI launches Grok Business and Enterprise plans

xAI introduces Grok Business and Grok Enterprise for secure team deployments with higher rate limits, workspaces, and robust admin controls.

18 Dec 2025 · 1 min read

xAI works on Imagine API and Grok API Playground

xAI opens new opportunities for developers with the Voice Agent API and is developing new Playground and Imagine API internally.

17 Dec 2025 · 1 min read

xAI launches Grok Voice Agent API for real-time voice apps

xAI introduces the Grok Voice Agent API, offering developers real-time speech capabilities and configurable voice options for voice-first apps.

18 Nov 2025 · 2 min read

xAI launches Grok 4.1 and Grok 4.1 Thinking across Grok apps

Grok 4.1 is now live for all users, offering faster, more creative responses and top leaderboard scores across grok.com, X, and mobile apps.

11 Nov 2025 · 2 min read

xAI works on Grok Code Remote to rival OpenAI's Codex

xAI hosts a hackathon on Dec 6–7 with early access to unreleased models; Grok Code remote spotted in development.

30 Oct 2025 · 1 min read

xAI updates Imagine with video extension and HD upscaling

xAI introduces Imagine update on web with video extension, text-to-image toggle and HD upscaling, raising the bar in generative media; iOS app to follow.

24 Oct 2025 · 1 min read

xAI adds 4th Grok companion Mika ahead of rollout

xAI readies Mika, a 24-year-old Grok companion who opts for motorcycles over clichés, with assets hinting at an imminent weekend rollout.

7 Oct 2025 · 2 min read

XAI readies Grok tools support in Tasks for data fetching

xAI prepares Grok web tools to pull data from Gmail, Slack, Notion and X search while providing ticker stock updates and unified insights.

20 Sep 2025 · 1 min read

XAI launches Grok 4 Fast with cost-efficient reasoning

xAI debuts Grok 4 Fast with a 2M token context and unified reasoning on web, iOS, Android and API, delivering cost control for developers.

14 Sep 2025 · 2 min read

xAI launches Grok 4 Fast in early access beta with up to 10x speed

What's new? Grok 4 Fast is now available, along with a new "Early Access models" toggle; Grok on the web now has a dedicated Changelog page.

11 Sep 2025 · 2 min read

xAI readies background conversations so Grok can work while you chat

What's new and what's next? Now you can select Grok mode on Projects; Soon it might be possible to select Grok model explicitly as well as run thinking tasks in the background within the same conversation.