X

xAI

Foundation Models

AI company building Grok models and Colossus supercomputer.

Acquired by SpaceX (2026)

Total funding—

Valuation$230B

Employees—

Founded2023

HeadquartersSan Francisco, USA

StatusAcquired

Products

Selected offerings — the AI products recorded here, not the vendor's full catalogue.

• Grok Application Sold on its own

  Assistant for chat, real-time web and X search, image generation and voice, on the web and in the X apps.

• xAI API Model API Sold on its own

  Hosted API for the Grok models, billed per token.

• Grokipedia Application Sold on its own

  AI-generated reference encyclopedia, freely browsable without sign-in, listed in x.ai's own top-level Products nav.

• Grok Voice API service Sold on its own

  Voice agent builder and API suite from xAI: real-time speech-to-speech conversational agents, speech-to-text transcription, text-to-speech, voice cloning and (upcoming) live translation, built on Grok.

Inside Grok

• Grok Bot AI agent

  Persistent AI teammate agents that retain context and learn from prior work across sessions, for delegated business tasks (e.g. account management).

• Grok Build AI agent

  Terminal-based coding agent powered by Grok 4.6 with plan mode, subagents, skills, plugins and MCP-server support for software development workflows.

Inside xAI API

• Grok Imagine API API service

  API for generating and editing images and video via Grok Imagine, distinct from the consumer Imagine surface inside the Grok app.

Closest alternatives 6

AAlphabet (Google)Public · $4.2TBoth consumer assistants in one measured market; Gemini holds 27.7% to Grok's sub-5% — the rising number two against a tail challenger.11 of 12 capabilitiesShared product typeSourced competitorUse an everyday AI assistantCompareOOpenAIPrivate · $852BBoth consumer assistants in one measured market; ChatGPT holds 46.4% while Grok sits under 5% — the leader against a tail challenger rather than a head-to-head.9 of 12 capabilitiesShared product typeSourced competitorUse an everyday AI assistantBuild on a hosted model APICompareAAnthropicPrivate · $965BBoth consumer assistants in one measured market; Claude holds 10.3% to Grok's sub-5% — third place against the tail the survey sizes but does not separate.6 of 12 capabilitiesShared product typeSourced competitorUse an everyday AI assistantBuild on a hosted model APICompareDDeepSeekPrivate · $50BBoth consumer assistants measured in the same market, each under 5% share; the survey sizes the tail without separating the two.5 of 12 capabilitiesShared product typeSourced competitorUse an everyday AI assistantCompareMPMeta PlatformsPublic · $1.5TBoth consumer assistants measured in the same market, each under 5% share; rivals in the tail behind ChatGPT, Gemini and Claude.6 of 12 capabilitiesShared product typeSourced competitorUse an everyday AI assistantComparePPerplexityPrivate · $20.4BBoth consumer assistants measured in the same market, each under 5% share; the survey sizes the tail without separating the two.3 of 12 capabilitiesShared product typeSourced competitorUse an everyday AI assistantCompare

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xAI is acquired, with no independent scale.2 of 12 capabilitiesShared product typeCompareLSLM StudioPrivateGrok Build and LM Studio Bionic do comparable work on agentic coding; xAI is acquired, with no independent scale; LM Studio's scale not recorded.2 of 12 capabilitiesShared product typeCompareDDropboxPublic · $7.8BGrokipedia and Dropbox Dash do comparable work on search answers; xAI is acquired, with no independent scale.2 of 12 capabilitiesShared product typeCompareFFathomAcquiredGrok and Fathom do comparable work on summarization; both acquired, so no independent scale on either side.2 of 12 capabilitiesShared product typeCompareKHKakao HealthcarePrivateGrok and PASTA both serve buyers who need to draft and edit written content; xAI is acquired, with no independent scale; Kakao Healthcare's scale not recorded.2 of 12 capabilitiesShared product typeCompareQQodoPrivate · $50M raisedGrok Build and Qodo: AI Code Review (VS Code) do comparable work on code generation; both also serve buyers who need to code with an AI assistant; xAI is acquired, with no independent scale; ships developer tool rather than the same layer.2 of 12 capabilitiesDifferent layerCompareSSonarPrivate · $4.7BGrok Build and SonarQube do comparable work on agentic coding; both also serve buyers who need to code with an AI assistant; xAI is acquired, with no independent scale; ships developer tool rather than the same layer.1 of 12 capabilitiesDifferent layerCompareGGreptilePrivateGrok Build and TREX do comparable work on agentic coding; both also serve buyers who need to code with an AI assistant; xAI is acquired, with no independent scale; Greptile's scale not recorded; ships developer tool rather than the same layer.1 of 12 capabilitiesDifferent layerCompareSSemrushAcquired ($1.9B deal)Grokipedia and Semrush AI Visibility Toolkit do comparable work on search answers; both acquired, so no independent scale on either side.1 of 12 capabilitiesShared product typeCompareSSiemensPublic · $244.7BGrok Build and Eigen Engineering Agent do comparable work on code generation; both also serve buyers who need to code with an AI assistant; xAI is acquired, with no independent scale.2 of 12 capabilitiesShared product typeCompareMManusPrivateGrok and Manus do comparable work on image generation and search answers; xAI is acquired, with no independent scale; Manus's scale not recorded.2 of 12 capabilitiesShared product typeCompareMMoveworksAcquiredOverlaps on agent orchestration, summarization and text generation; both acquired, so no independent scale on either side.3 of 12 capabilitiesShared product typeCompareDDocusignPublic · $12.7BGrok and Docusign AI-Assisted Review do comparable work on summarization; both also serve buyers who need to draft and edit written content; xAI is acquired, with no independent scale.3 of 12 capabilitiesShared product typeCompareFAFireworks AIPrivate · $17.5BGrok Voice and Fireworks Speech Recognition do comparable work on speech to text; both also serve buyers who need to turn speech into text; xAI is acquired, with no independent scale.2 of 12 capabilitiesShared product typeCompare0101.AIPrivatexAI API and Yi both serve buyers who need to build on a hosted model API; xAI is acquired, with no independent scale; 01.AI's scale not recorded.2 of 12 capabilitiesShared product typeCompareBABlackbox AIPrivateGrok Build and Blackbox AI do comparable work on agentic coding; both also serve buyers who need to code with an AI assistant; xAI is acquired, with no independent scale; Blackbox AI's scale not recorded; ships infrastructure service rather than the same layer.1 of 12 capabilitiesDifferent layerCompareGGranolaPrivate · $1.5BGrok and Granola Chat do comparable work on summarization; xAI is acquired, with no independent scale.2 of 12 capabilitiesShared product typeCompareIAInflection AIPrivate · $1.5B raisedGrok and Pi both serve buyers who need to draft and edit written content; xAI is acquired, with no independent scale.1 of 12 capabilitiesShared product typeCompareSASakana AIPrivate · $2.7BGrok and Sakana Chat both serve buyers who need to draft and edit written content; xAI is acquired, with no independent scale.1 of 12 capabilitiesShared product typeCompareLALiquid AIPrivateGrok and Liquid Apollo both serve buyers who need to use an everyday AI assistant; xAI is acquired, with no independent scale; Liquid AI's scale not recorded.Shared product typeCompareSSourcegraphPrivate · $2.6BGrok Build and Sourcegraph Agentic Batch Changes do comparable work on code generation; xAI is acquired, with no independent scale.1 of 12 capabilitiesShared product typeCompareGG42Private · $2.3B raisedxAI API and Jais both serve buyers who need to build on a hosted model API; xAI is acquired, with no independent scale.1 of 12 capabilitiesShared product typeCompareLCLG CorpPublic · $13.4BxAI API and K-EXAONE 2.0 both serve buyers who need to build on a hosted model API; xAI is acquired, with no independent scale.1 of 12 capabilitiesShared product typeCompare

Closest alternatives are pairs a vendor page itself compares. Similar products are matched from what each product does; nothing in that group is asserted as a rivalry.

Sources

Total funding

Checked — none published

Aggregators report $42-45B raised across 9 rounds (Tracxn-style figures, uncited); no primary source states a clean cumulative total, and xAI's January 2026 $20B Series E press release discloses only that round's amount. Left null rather than picking a number from disagreeing aggregates; xAI's later folding into SpaceX further complicates what "xAI's total funding" even means going forward.

Valuation

News reporting · 6 Jan 2026

$230B post-money on the $20B Series E, CNBC 2026-01-06. xAI's own announcement at https://x.ai/news/series-e confirms the $20B raise on the same date but states no valuation. This is xAI's last STANDALONE valuation: SpaceX folded it in weeks later, and the combined entity's ~$1.25T is a different thing that does not belong in this column.

Employees

Checked — none published

Checked 2026-08-27 and no citable figure found. Four sweeps were run and all came back empty for this company: (1) its own /about, /about-us, /company, /careers, /jobs and /team pages, pattern-matched for a self-published headcount; (2) stockanalysis.com's private-company page, which footnotes each figure to its source; (3) its Forbes company profile, which states a headcount and the month it is as of; (4) a targeted web search. Everything the search returned was a LinkedIn-scraping aggregator, and those disagree with each other by wide margins and cite nothing, so they are not used here. The field is null rather than carrying the round guess it held before.

Founded

Wikipedia · 11 Sep 2026

"Elon Musk founded xAI on March 9, 2023"; announced publicly July 12, 2023.

Revenue (TTM)

Regulatory filing · 30 Jun 2026

SpaceX reports xAI as its AI segment. FY2025 424B4: AI segment revenue $3,201M. 10-Q for the period ended 2026-06-30: H1 2026 $3,379M vs H1 2025 $1,465M, giving TTM to 2026-06-30 of roughly $5,115M ($3,201M - $1,465M + $3,379M). revenue_basis 'ttm'.

Status

Press release · 2 Feb 2026

xAI's own announcement that SpaceX acquired it, 2026-02-02.

Open xAI in the directory

Something wrong here? Send a correction — quote this company id: xai.