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Every release, deal and policy move from xAI — updated daily.
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X Subscription: SpaceXSI Bundles Grok, Cursor and X Premium
SpaceXSI’s X Subscription unifies X Premium, Grok, Grok Bot, and Cursor into one plan with tiers from free to $200 Ultra. It tackles subscription fatigue with shared usage pools for developers and teams. Learn more.
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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
Latest on X
SpaceX Super Intelligence · @SpaceXSI
Proud to be a part of this important initiative from NVIDIA
Use Grok 4.7 in Viktor
Introducing Grok Voice 3.0, the world’s most intelligent speech-to-speech model. It excels at resolving customer calls, responds in under a second, and costs less than other frontier models.
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.
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xAI Grok Bot Beta: Cybercab Robotaxi Implications
xAI launches Grok Bot in early beta with persistent cloud computers for ongoing tasks. Explore how this architecture…
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Grok xAI: Real-Time Edge from X Data Integration
xAI’s Grok stands out with live X data access, creating a distinct real-time AI advantage over models using…
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Grok Forecasts Philadelphia Eagles 2026 NFL Season
Sports outlets now use xAI’s Grok to predict the Philadelphia Eagles’ 2026 season, including records and playoff paths.…
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Grok Bot: xAI’s Autonomous Agent for Cross-App Tasks
xAI’s Grok Bot shifts AI from chat to autonomous computer-use, handling multi-step workflows across apps. Discover enterprise security…
Products & models
GrokCurrent: Grok 4.7 ›More stories
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Grok Skills: xAI’s Autonomous Real-Time Alerting
Discover xAI’s Grok Skills: an autonomous alerting system leveraging X’s real-time data firehose. Create custom AI agents for tailored news briefings on topics, markets, or events.…
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X’s Custom Timelines: Grok AI for Personalized Feeds
Explore X’s new Custom Timelines feature, powered by Grok AI, allowing users to create dynamic, personalized content feeds with simple prompts. Discover the benefits, risks, and…
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Tesla’s Hey Grok Update: xAI AI in Vehicles
Tesla’s 2026.14 update introduces the ‘Hey Grok’ wake word, integrating xAI’s LLM for conversational AI in cars. Explore strategic impacts, privacy concerns, and how it positions…
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Grok AI Photo Editor Launches on X iOS App
X is integrating Grok’s AI for in-app photo editing on iOS, streamlining creator workflows and challenging Meta and Google. Explore the strategic implications, privacy concerns, and…
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Grok AI Integrates with X for Global Content Discovery
Discover how xAI’s Grok is enhancing the X platform with automatic translation and cross-language recommendations, breaking down barriers and boosting engagement. Explore the strategic implications for…
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Grok Auto-Translates X Posts: Breaking Language Barriers
Discover how xAI’s Grok integrates auto-translation into X’s recommendation system, expanding global content discovery for creators and users while raising questions on accuracy and misinformation risks.…
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Disable Grok AI Photo Editing: X’s New iOS Toggle
X has introduced a toggle in its iOS app to prevent Grok AI from automatically editing uploaded photos, ensuring content fidelity for creators and brands. Explore…
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Perplexity Gamma Mode: Ultra-Fast Agentic Search Analysis
Discover Perplexity’s new Gamma Mode, powered by xAI’s Grok, for ultra-fast agentic search that tackles latency in AI workflows. Explore how it revolutionizes rapid research and…
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Starlink Integrates Grok AI for Advanced Customer Support
Explore Starlink’s integration of xAI’s Grok into customer support, replacing basic bots with advanced LLM troubleshooting. Discover the benefits, risks, and industry impact in this in-depth…
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Grok’s Engagement vs MAU: i10x Analysis
Dive into the i10x analysis revealing why Grok’s superior user engagement trumps inconsistent MAU figures over ChatGPT and Gemini. Uncover the strategic shift toward depth in…
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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…
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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…
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.