xAI (SpaceXAI)

Part of SpaceX; reported to be renaming again, from SpaceXAI to SpaceXSI †. Owns X and Cursor. Grok Bot now routes some tasks to other companies' models.

What it offers

Grok 4.7

Released 21 Sep. 500k-token context. Also available in Cursor and GitHub Copilot.

Grok 4.6 · grok-code-fast-1 · Grok Voice

Earlier general model, a fast coding model, and speech. Grok 5 is teased but unreleased †.

Grok app

Web, iOS, Android and built into X. SuperGrok and SuperGrok Heavy tiers.

Grok Bot (“Grokbot”)

Beta since 11 Aug. Always-on agent “teammates”, each with its own cloud computer. They sign into your apps, coordinate with each other and learn from demonstrations. Bundled into the X subscription (12 Oct); Musk says it will route tasks to Claude Opus 5.5 and other models.

Grok Build

Coding-agent CLI and terminal UI (beta since May; memory added 16 Sep).

Grok Voice 3.0

Speech-to-speech at $0.08 a minute (14 Oct); Grok 4.7 also on Amazon Bedrock since 28 Sep.

Cursor

AI IDE acquired for $60B (closed 14 Aug).

Grok Imagine

Image and video generation, with an API.

Grokipedia

AI-written encyclopedia.

Companions (3D avatars)

Ani and the other avatar companions were retired 7 Sep.

Recent news

• 14 Oct 2026Grok Voice 3.0 ships at $0.08 per minuteTops a speech-to-speech index and competes in the voice API market.AI Weekly ↗
• 7 Oct 2026Musk says Grok Bot will route tasks to Claude Opus 5.5 and other modelsA shift toward orchestrating other providers' models; SpaceXAI is reported to be renaming to SpaceXSI.The Next Web ↗
• 28 Sep 2026Grok 4.7 goes live on Amazon BedrockGrok gains hyperscaler distribution, with 500K context.AI Weekly ↗
• 3 Sep 2026Grok down for more than three hours in Memphis data center outageSpaceXAI apologized to users and compute partners, raising reliability questions after the August glitchesEngadget ↗
• 14 Aug 2026SpaceX completes $60B acquisition of CursorBuys a leading AI coding tool, giving Grok a direct channel to developers to compete with Claude Code and CodexBloomberg ↗
• 12 Aug 2026SpaceXAI debuts Grok 4.6, ranked third on Artificial AnalysisMatches GPT-5.6 Sol on that leaderboard, which puts Grok back near the frontierVentureBeat ↗
• 8 Jul 2026SpaceXAI releases Grok 4.5, which Musk calls Opus-classA low-cost coding and agent model trained with Cursor and priced at $2/$6 per M tokensTechCrunch ↗
• 6 Jul 2026xAI rebrands as SpaceXAI five months after the SpaceX mergerThe new name ties Grok to SpaceX's compute, energy and orbital data-center plansDigital Applied ↗
• 12 Jun 2026SpaceX IPO closes up 19% at about $2.1T valueThe largest IPO in history, raising $86B, gives Grok's parent company public-market capitalCNBC ↗