Product dossier · by xAI
Grok
Versions, pricing, availability and every story about Grok.
TopicsAll topics
Deals & partnerships · xAI
Partnership
Reflection AI signs ~$6.3B Colossus 2 compute deal with SpaceX
cnbc.com (source, opens in a new tab)Acquisition
SpaceX to acquire Cursor maker Anysphere in $60B all-stock deal
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)Partnership
Google to pay SpaceX $920M a month for Colossus compute (~$30B through 2029)
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)Partnership
xAI to provide Anthropic with Colossus 1 compute
x.ai (source, opens in a new tab)Partnership
HUMAIN invested $3B in xAI’s Series E
reuters.com (source, opens in a new tab)Acquisition
SpaceX acquires xAI
SpaceX acquires xAI; the company now operates as SpaceXAI.
x.ai (source, opens in a new tab)Funding
xAI raises $20B Series E
Upsized Series E above the $15B target. Valuation (~$230B) per CNBC report, not confirmed by xAI.
x.ai (source, opens in a new tab)Partnership
xAI and Saudi Arabia’s HUMAIN to build 500 MW+ data center and deploy Grok nationwide
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)Partnership
Pentagon CDAO awards Anthropic, Google and xAI contracts of up to $200M each
ai.mil (source, opens in a new tab)Funding
xAI raises $5B equity alongside $5B debt
reuters.com (source, opens in a new tab)
Sources: company announcements & release notes, press reports.
Release timeline
Every Grok model release · 13 releases
Grok 4.7
docs.x.ai (source, opens in a new tab)Grok 4.6
docs.x.ai (source, opens in a new tab)Grok 4.5
docs.x.ai (source, opens in a new tab)Grok 4.3
docs.x.ai (source, opens in a new tab)Grok 4.20
docs.x.ai (source, opens in a new tab)Grok 4.1
x.ai (source, opens in a new tab)Grok 4 Fast
x.ai (source, opens in a new tab)Grok Code Fast 1
x.ai (source, opens in a new tab)
Show all 13 releases
Grok 4
x.ai (source, opens in a new tab)Grok 3
x.ai (source, opens in a new tab)Grok-2
x.ai (source, opens in a new tab)Grok-1.5
x.ai (source, opens in a new tab)Grok-1 (open weights)
x.ai (source, opens in a new tab)
Sources: company announcements & release notes.
Editor's picks
More stories
-
Grok AI MRI Diagnosis: Hype vs Clinical Reality
Elon Musk’s bold claim that Grok can outperform doctors in MRI diagnosis is under fire from experts. Independent tests and studies reveal limitations in accuracy, validation,…
-
Grokipedia Doubles to 1.7M Articles: AI Knowledge Insights
xAI’s Grokipedia has rapidly expanded from 885K to over 1.7 million articles since its October 2025 launch, powered by Grok LLM. Explore the implications for reliability,…
-
AI Fare Discovery: Arms Race Between Travelers and Airlines
Discover how AI tools like Grok are empowering travelers to uncover hidden flight deals by probing airline pricing complexities. Explore the impacts on airlines, OTAs, and…
-
Grok Prompts: Beyond Listicles to Outcome-Driven Templates
Discover how Grok prompts are evolving from static listicles to dynamic, parameterized templates that leverage real-time web access for tasks like deal-finding and deep research. Ideal…
-
Grok AI Market Analysis: Insights and Limitations
xAI’s Grok AI delivers a compelling analysis of the 2020 precious metals peak and its link to Bitcoin and tech stock rallies, leveraging real-time X data.…
-
Grok-4: xAI’s Agentic AI with Tool Integration and Truth Focus
xAI’s Grok-4 evolves beyond chat with code interpreter and web access, positioning it as a truthfulness engine for X. Analyze its impacts on developers, enterprises, and…
-
xAI Grok Partners with El Salvador Schools: Key Analysis
Explore xAI’s partnership to deploy Grok AI in El Salvador’s public schools, serving one million students. This analysis covers benefits, risks, transparency gaps, and global implications…
-
Ani Named 2025 Person of the Year by Emerge – Analysis
Discover why xAI’s Ani, the AI companion from Grok, earned Emerge magazine’s 2025 Person of the Year award. Explore the shift to a relationship economy, implications…
-
xAI Partners with Pentagon on Secure Grok AI Platform
xAI is integrating its Grok models into the Pentagon’s GenAI.mil platform for Impact Level 5 security, serving up to 3 million DoD users. This partnership challenges…
-
xAI AGI by 2026: Elon Musk’s Ambitious Roadmap
Elon Musk predicts xAI will achieve AGI by 2026 via Grok models and the Colossus supercomputer. This analysis explores the AI race implications, infrastructure challenges, and…
-
Turkey vs Grok: AI Ban and Regulation Insights
Explore Turkey’s ban on xAI’s Grok chatbot, the legal probe, and its implications for AI regulation worldwide. From quick summary to deep dive on stakeholders and…
-
Grok AI Prompts: From Viral Buzz to Pro Challenges
Explore the divided landscape of Grok AI prompts, from fun viral lists to the gaps in structured outputs for developers and businesses. Discover why reliable prompting…
Versions & specs
Model · date · context · max output · price per 1M tokens (in/out, cached) · modalities · cutoff · license
| Model | Released | Context | Max output | Price in / out (per 1M) | Modalities | Knowledge cutoff | License / access | Spec source |
|---|---|---|---|---|---|---|---|---|
| Grok 4.7 | Sep 21, 2026 | 500K | — | $2 / $6 cached $0.5 Higher rate above 200K context; also on Vertex AI and Microsoft Foundry. | Text, image in → text out | May 2026 | Proprietary (API & app) | docs.x.ai |
| Grok 4.6 | Aug 12, 2026 | 500K | — | $2 / $6 cached $0.5 Higher rate above 200K context. | Text, image in → text out | — | Proprietary (API & app) | docs.x.ai |
| Grok 4.5 | Jul 8, 2026 | 500K | — | $2 / $6 cached $0.3 Higher rate above 200K context. | Text, image in → text out | — | Proprietary (API & app) | docs.x.ai |
| Grok 4.3 | Apr 30, 2026 | 1M | — | $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, 2026 | 1M | — | $1.25 / $2.5 cached $0.2 Higher rate above 200K context. | Text, image in → text out | — | Proprietary (API & app) | docs.x.ai |
| Grok 4.1 | Nov 17, 2025 | — | — | — | Text, image in → text out | — | Proprietary (API & app) | x.ai |
| Grok 4 Fast | Sep 19, 2025 | 2M | — | $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 1 | Aug 28, 2025 | 256K | — | $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, 2025 | 256K | — | — | Text, image in → text out | — | Proprietary (API & app) | x.ai |
| Grok 3 Grok 3, Grok 3 mini (Think) | Feb 19, 2025 | 1M | — | — | 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-1.5 | Mar 28, 2024 | 128K | — | — | 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.
Try Grok in i10X ›