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xAI & Grok – Page 3
Every release, deal and policy move from xAI — updated daily.
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Model chronicle · Grok
Grok 4.7
SpaceXAI frontier model for coding, agentic tasks and knowledge work (≤200K prompt pricing).
docs.x.ai (source, opens in a new tab)Grok 4.6
docs.x.ai (source, opens in a new tab)Grok 4.5
Model for coding, agentic tasks and knowledge work; rolled out to grok.com, X and apps later in July.
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)Grok 4
Grok 4 and Grok 4 Heavy, with the new SuperGrok Heavy tier.
x.ai (source, opens in a new tab)Grok 3
x.ai (source, opens in a new tab)
Sources: company announcements & release notes.
Fact box
- HQ
- Palo Alto, USA
- Founded
- 2023
- CEO
- Elon Musk
- Valuation
- $250B in SpaceX all-stock merger (Feb 2026); $230B at Series E (Jan 2026)
- Core products
- Grok · Grok API · Colossus
- Latest round
- $20B Series E · Jan 2026
- Stories
- 223
Editor's picks
Deals & funding
xAI · rounds, valuations, partners, acquisitions · $37B raised in tracked primary rounds · latest 8 of 16
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)
All 16 rounds & deals as a table · 4 funding, 8 partnerships, 4 acquisitions
| Date | Event | Type | Counterparty / round | Amount | Valuation | Source |
|---|---|---|---|---|---|---|
| Jun 22, 2026 | Reflection AI signs ~$6.3B Colossus 2 compute deal with SpaceX Reflection gets NVIDIA GB300 capacity at Colossus 2 and pays $150M per month from July 1, 2026 through 2029 (~$6.3B if run to term); terminable with 90 days' notice after three months (CNBC, Reuters, WSJ). | Partnership · compute | with Reflection AI | $6.3B | — | cnbc.com |
| Jun 16, 2026 | 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. | Acquisition | acquires Anysphere (Cursor) | $60B | — | reuters.com |
| Jun 5, 2026 | 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). | Partnership · compute | with Google | $30B | — | cnbc.com |
| May 6, 2026 | xAI to provide Anthropic with Colossus 1 compute SpaceXAI (xAI) agrees to provide Anthropic with access to its Colossus 1 cluster. | Partnership · compute | with Anthropic | — | — | x.ai |
| Feb 18, 2026 | HUMAIN invested $3B in xAI’s Series E Saudi PIF company HUMAIN disclosed a $3B investment in xAI's $20B Series E, making it a significant minority shareholder; the stake converted into SpaceX shares after the merger (Reuters, Bloomberg, HUMAIN). | Partnership · investment | with HUMAIN | $3B | — | reuters.com |
| Feb 2, 2026 | SpaceX acquires xAI SpaceX acquires xAI; the company now operates as SpaceXAI. | Acquisition | acquired by SpaceX | $250B | — | x.ai |
| Jan 6, 2026 | xAI raises $20B Series E Upsized Series E above the $15B target. Valuation (~$230B) per CNBC report, not confirmed by xAI. | Funding | Series E | $20B | $230B | x.ai |
| Nov 19, 2025 | 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. | Partnership · compute | with HUMAIN | — | — | x.ai |
| Jul 14, 2025 | Pentagon CDAO awards Anthropic, Google and xAI contracts of up to $200M each Each award has a $200M ceiling to develop agentic AI workflows for national-security missions; OpenAI received a similar award on June 16, 2025. xAI simultaneously launched Grok for Government. | Partnership · government | with US Department of Defense (CDAO), Anthropic +1 | $600M | — | ai.mil |
| Jul 1, 2025 | xAI raises $5B equity alongside $5B debt Morgan Stanley: $5B in secured notes and term loans plus a separate $5B strategic equity investment. | Funding | Strategic equity | $5B | — | reuters.com |
| May 28, 2025 | Telegram announces $300M Grok distribution deal; Musk says nothing signed Pavel Durov said xAI would pay $300M in cash and equity plus 50% of Grok subscription revenue sold via Telegram for one-year integration; Elon Musk replied that no deal had been signed (Reuters, Bloomberg). Durov later said formalities were pending. | Partnership · distribution | with Telegram | $300M | — | reuters.com |
| May 19, 2025 | Microsoft hosts Grok 3 and Grok 3 mini on Azure AI Foundry Announced at Build: Grok models hosted and billed directly by Microsoft with Azure SLAs. Pricing from June 2025: Grok 3 $3/$15 and Grok 3 mini $0.25/$1.27 per 1M tokens (global). | Partnership · distribution | with Microsoft | — | — | devblogs.microsoft.com |
| Mar 28, 2025 | xAI acquires X in all-stock deal All-stock deal valuing X at $33B ($45B incl. $12B debt) and xAI at $80B. | Acquisition | acquires X Corp. | $33B | — | reuters.com |
| Mar 17, 2025 | xAI acquires AI video startup Hotshot Hotshot, maker of text-to-video models (Hotshot-XL, Hotshot Act One), joins xAI to scale video generation on Colossus; announced by Hotshot co-founder Aakash Sastry. Terms not disclosed. | Acquisition | acquires Hotshot | — | — | techcrunch.com |
| Dec 23, 2024 | xAI raises $6B Series C Valuation of about $50B reported by the WSJ and CNBC (not disclosed by xAI). Strategic investors NVIDIA and AMD also participated. | Funding | Series C | $6B | $50B | x.ai |
| May 26, 2024 | xAI raises $6B Series B Valued xAI at $24B post-money ($18B pre-money) per CNBC; xAI disclosed the amount and investors but not the valuation. | Funding | Series B | $6B | $24B | x.ai |
Sources: company announcements & release notes, press reports.
Products & models
GrokCurrent: Grok 4.7 ›More stories
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Grok Bot: Multi-Agent AI Automation for Enterprises
Grok Bot by SpaceXAI orchestrates multi-agent workflows to automate complex enterprise tasks. See how agentic AI disrupts legacy RPA with adaptive execution and human-in-the-loop controls. Explore…
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Grok Imagine Odyssey: xAI’s Long-Form Video Ambitions
Elon Musk announced Grok Imagine for a full-length, historically accurate Odyssey film. Explore the massive AI infrastructure and temporal consistency challenges this project presents. Learn more.
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xAI Grok 4.5 & 4.6: Tavily Integration Cuts Hallucinations
xAI moved Grok web retrieval to Tavily 4 for sharper reasoning and fewer errors. See how this modular approach affects developers, benchmarks, and future model scaling.…
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Musk Acquires APR Energy for xAI Grok Training Power
Elon Musk is reportedly acquiring APR Energy for $1B to secure fast-deploy power for xAI’s Grok models. Discover how this bypasses grid delays and accelerates AI…
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Grok Build Data Deletion: xAI Privacy Response Explained
Following backlash on Grok Build uploads, xAI pledged full data deletion to meet privacy rules. This highlights tensions between LLM training needs and global compliance. Explore…
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Perplexity Beats Grok for Enterprise: DOE’s RAG Shift
U.S. Department of Energy and enterprises favor Perplexity over Grok for its citation-first RAG architecture, auditability, and fact-tracing. See why regulated sectors are adopting it. Explore…
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xAI Grok: Enterprise Automation & Real-Time Workflows
Discover how xAI’s Grok is evolving from consumer chatbot to a powerful tool for closed-loop enterprise automation. Leverage real-time X data for coding, research, and business…
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Grok 4.5 Gains Developer Market Share on OpenRouter
Grok 4.5 is capturing developer mindshare for code generation and agentic workflows through cost-efficient API routing. Discover how it compares to GPT-4o and Claude for FinOps-conscious…
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Grok 4.5 Pricing Forces Shift to Quality-Per-Dollar AI
xAI’s Grok 4.5 undercuts premium LLM rivals, moving enterprise focus from benchmarks to cost efficiency. Discover the impact on TCO and procurement strategies. Explore the analysis.
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Models & specs
xAI · context window, max output, API price, modalities, knowledge 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 |
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.