Product dossier · by xAI
Grok
Versions, pricing, availability and every story about Grok.
TopicsModels
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Grok Voice 3.0 Launches: 0.81s Latency at $0.08/min
Grok Voice 3.0 delivers 0.81-second latency and enterprise benchmarks at the same $0.08 per minute price. Learn how xAI is making real-time voice AI the new standard for call centers.
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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
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Grok 4.7: 500K Context Window at Flat $2/$6 Pricing
xAI’s Grok 4.7 brings a 500K context window, configurable reasoning tiers, and day-one Bedrock support without raising prices.…
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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 4.6 Ties 61-Point Benchmark but Lags in Coding
Grok 4.6 reaches benchmark parity with GPT-5.6 Sol Max at 61 points, yet coding performance shows inconsistencies that…
More stories
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Grok Think Fast: xAI Ultra-Low Latency Voice AI
Grok Think Fast signals xAI’s move to native speech-to-speech models for real-time, low-latency voice AI in automotive and edge devices. Explore the architecture, benchmarks, and industry…
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xAI Grok-1.5 Targets Developer Tooling Market
xAI repositions Grok-1.5 and Grok-1.5V for AI developer tooling with longer context and vision features. See the impact on coding workflows and enterprise adoption. Explore the…
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Grok 4.6 on Amazon Bedrock: 500K Context & Adjustable Reasoning
Grok 4.6 is now on AWS Bedrock with a 500,000-token window and configurable reasoning levels. Enterprises gain precise control over cost, latency, and quality for large-scale…
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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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Grok 4.5 Beta: Enterprise Integration and Readiness Analysis
xAI’s Grok 4.5 enters private beta, targeting frontier performance. This analysis examines real-world integration needs, compliance gaps, and production viability for developers and CTOs. Explore the…
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xAI Hires Starlink Engineer for Grok Training Operations
xAI recruits a Starlink veteran to head Grok LLM training, underscoring the growing importance of distributed systems and network resilience over pure research. Explore the shift.
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Grok V9-Medium: xAI Triples Parameters for Coding Focus
xAI’s Grok V9-Medium launches mid-June with triple the parameters, targeting software developers and enterprise teams. Explore its focus on code generation, inference economics, and how it…
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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…
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.
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