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Product dossier · by xAI

Grok

Versions, pricing, availability and every story about Grok.

4.7current version · Sep 21
$2.00 / $6.00per 1M tokens (in/out)
APP · API · CLOUDavailability
178stories
xAI hub
Abstract illustration of generative AI video struggling with narrative continuity
TopicsAgents

Deals & partnerships · xAI

  1. Partnership

    Reflection AI signs ~$6.3B Colossus 2 compute deal with SpaceX

    With Reflection AI · Compute · $6.3B

    cnbc.com (source, opens in a new tab)

  2. Acquisition

    SpaceX to acquire Cursor maker Anysphere in $60B all-stock deal

    Acquires Anysphere (Cursor) · $60B

    All-stock merger announced June 16, 2026 and closed August 14, 2026 per SpaceX SEC filings; Anysphere shareholders received about 389.3M SpaceX Class A shares. Cursor joins SpaceXAI's coding push.

    reuters.com (source, opens in a new tab)

  3. Partnership

    Google to pay SpaceX $920M a month for Colossus compute (~$30B through 2029)

    With Google · Compute · $30B

    Per SpaceX's SEC filing: about 110,000 NVIDIA GPUs from October 2026 to June 2029, ramping through September at a reduced fee; either side may terminate after Dec 31, 2026 with 90 days' notice (CNBC, Bloomberg).

    cnbc.com (source, opens in a new tab)

  4. Partnership

    xAI to provide Anthropic with Colossus 1 compute

    With Anthropic · Compute

    x.ai (source, opens in a new tab)

  5. Partnership

    HUMAIN invested $3B in xAI’s Series E

    With HUMAIN · Investment · $3B

    reuters.com (source, opens in a new tab)

  6. Acquisition

    SpaceX acquires xAI

    Acquired by SpaceX · $250B

    SpaceX acquires xAI; the company now operates as SpaceXAI.

    x.ai (source, opens in a new tab)

  7. Funding

    xAI raises $20B Series E

    Series E · $20B at $230B valuation

    Upsized Series E above the $15B target. Valuation (~$230B) per CNBC report, not confirmed by xAI.

    x.ai (source, opens in a new tab)

  8. Partnership

    xAI and Saudi Arabia’s HUMAIN to build 500 MW+ data center and deploy Grok nationwide

    With HUMAIN · Compute

    Framework agreement at the US-Saudi Investment Forum: hyperscale GPU data centers in Saudi Arabia anchored by a 500 MW+ flagship site (NVIDIA GB300), xAI's first large deployment outside the US; Grok integrated into HUMAIN ONE. Value not disclosed.

    x.ai (source, opens in a new tab)

  9. Partnership

    Pentagon CDAO awards Anthropic, Google and xAI contracts of up to $200M each

    With US Department of Defense (CDAO), Anthropic +1 · Government · $600M

    ai.mil (source, opens in a new tab)

  10. Funding

    xAI raises $5B equity alongside $5B debt

    Strategic equity · $5B

    reuters.com (source, opens in a new tab)
All xAI deals & news ›

Sources: company announcements & release notes, press reports.

Release timeline

Every Grok model release · 13 releases

  1. Grok 4.7

    500K context · $2 / $6 per 1M tokens

    docs.x.ai (source, opens in a new tab)

  2. Grok 4.6

    500K context · $2 / $6 per 1M tokens

    docs.x.ai (source, opens in a new tab)

  3. Grok 4.5

    500K context · $2 / $6 per 1M tokens

    docs.x.ai (source, opens in a new tab)

  4. Grok 4.3

    1M context · $1.25 / $2.5 per 1M tokens

    docs.x.ai (source, opens in a new tab)

  5. Grok 4.20

    1M context · $1.25 / $2.5 per 1M tokens

    docs.x.ai (source, opens in a new tab)

  6. Grok 4.1

    x.ai (source, opens in a new tab)

  7. Grok 4 Fast

    2M context · $0.2 / $0.5 per 1M tokens

    x.ai (source, opens in a new tab)

  8. Grok Code Fast 1

    256K context · $0.2 / $1.5 per 1M tokens

    x.ai (source, opens in a new tab)
Show all 13 releases

  1. Grok 4

    256K context

    x.ai (source, opens in a new tab)

  2. Grok 3

    1M context

    x.ai (source, opens in a new tab)

  3. Grok-2

    x.ai (source, opens in a new tab)

  4. Grok-1.5

    128K context

    x.ai (source, opens in a new tab)

  5. Grok-1 (open weights)

    open weights

    x.ai (source, opens in a new tab)

Sources: company announcements & release notes.

Editor's picks

  1. Grok Imagine Odyssey Pilot Exposes AI Video Limits
  2. Grok Voice 3.0 Launches: 0.81s Latency at $0.08/min
  3. X Subscription: SpaceXSI Bundles Grok, Cursor and X Premium
  4. xAI Grok Bot Beta: Cybercab Robotaxi Implications

More stories

Versions & specs

Model · date · context · max output · price per 1M tokens (in/out, cached) · modalities · cutoff · license

ModelReleasedContextMax outputPrice in / out (per 1M)ModalitiesKnowledge cutoffLicense / accessSpec source
Grok 4.7Sep 21, 2026500K—$2 / $6
cached $0.5
Higher rate above 200K context; also on Vertex AI and Microsoft Foundry.		Text, image in → text outMay 2026Proprietary (API & app)docs.x.ai
Grok 4.6Aug 12, 2026500K—$2 / $6
cached $0.5
Higher rate above 200K context.		Text, image in → text out—Proprietary (API & app)docs.x.ai
Grok 4.5Jul 8, 2026500K—$2 / $6
cached $0.3
Higher rate above 200K context.		Text, image in → text out—Proprietary (API & app)docs.x.ai
Grok 4.3Apr 30, 20261M—$1.25 / $2.5
cached $0.2
Higher rate above 200K context.		Text, image in → text out—Proprietary (API & app)docs.x.ai
Grok 4.20
Grok 4.20, Grok 4.20 Multi-agent		Mar 10, 20261M—$1.25 / $2.5
cached $0.2
Higher rate above 200K context.		Text, image in → text out—Proprietary (API & app)docs.x.ai
Grok 4.1Nov 17, 2025———Text, image in → text out—Proprietary (API & app)x.ai
Grok 4 FastSep 19, 20252M—$0.2 / $0.5
cached $0.05
Prompts ≥128K: $0.40 in / $1.00 out.		Text, image in → text out—Proprietary (API & app)x.ai
Grok Code Fast 1Aug 28, 2025256K—$0.2 / $1.5
cached $0.02
Launch price; model id now aliased to grok-build-0.1 ($1/$2).		Text in → text out—Proprietary (API)x.ai
Grok 4
Grok 4, Grok 4 Heavy		Jul 9, 2025256K——Text, image in → text out—Proprietary (API & app)x.ai
Grok 3
Grok 3, Grok 3 mini (Think)		Feb 19, 20251M——Text, image in → text out—Proprietary (API & app)x.ai
Grok-2
Grok-2, Grok-2 mini		Aug 13, 2024———Text, image in → text out—Proprietary (API & app)x.ai
Grok-1.5Mar 28, 2024128K——Text in → text out—Proprietary (API & app)x.ai
Vendor benchmark claims
  • Grok 3: AIME 2025 93.3% (Grok 3 Think, cons@64, vendor claim) · GPQA 84.6% (vendor claim) · LiveCodeBench 79.4% (vendor claim)

Benchmarks as published by the vendor at launch; not independently verified by i10x.

Sources: company announcements & release notes. Prices = standard API list price in USD per 1M tokens at time of release or current docs; batch is typically 50% off.

Try Grok in i10X

Compare it side by side with GPT, Gemini and Grok in one workspace.

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