western lab · United States
xAI
Vertically integrated lab operating the Colossus training cluster in Memphis, shipping the Grok model family with tight distribution through X.
- Founded
- 2023
- Models tracked
- 29
- Valuation
- $113B
- Country
- United States
est. · as of Aug 2026
Founders
Elon Musk
Stock Price
SPCX stock price by TradingView ↗Model Benchmarks
data by
| Model | Released | Intelligence | Coding | GPQA | HLE | SciCode | Terminal-Bench Hard | Tau2 | LCR | IFBench | Speed | TTFT | $/1M in | $/1M out | $/1M blended |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Grok 4.7 (Xhigh) | 2026-09-21 | 35.5 | — | — | 43.1% | 57.4% | — | — | 76.7% | — | 61.6 t/s | 16.63s | $2 | $6 | $3 |
| Grok 4.7 (High) | 2026-09-21 | 35.2 | — | — | 42.3% | 57.8% | — | — | 77% | — | 62.7 t/s | 13.62s | $2 | $6 | $3 |
| Grok 4.7 (Low) | 2026-09-21 | 31.1 | — | — | 39.2% | 54.9% | — | — | 80% | — | 54.6 t/s | 2.09s | $2 | $6 | $3 |
| Grok 2 (Dec '24) | 2024-12-12 | — | — | 51% | 3.1% | — | — | — | — | — | 0 t/s | 0s | $0 | $0 | $0 |
| Grok 3 | 2025-02-19 | — | — | 69.3% | 4.1% | — | 11.4% | 48.8% | 58% | 46.9% | 0 t/s | 0s | $3 | $15 | $6 |
| Grok 3 mini Reasoning (High) | 2025-02-19 | — | — | 79.1% | 11% | — | 17.4% | 90.4% | 55.3% | 45.9% | 0 t/s | 0s | $0.3 | $0.5 | $0.35 |
| Grok 3 Reasoning Beta | 2025-02-19 | — | — | — | — | — | — | — | — | — | 0 t/s | 0s | $0 | $0 | $0 |
| Grok 4 | 2025-07-10 | — | — | 87.7% | 26.7% | — | 37.9% | 74.9% | 68% | 53.7% | 0 t/s | 0s | $3 | $15 | $6 |
| Grok 4 Fast (Non-reasoning) | 2025-09-19 | — | — | 60.6% | 4.5% | — | 12.1% | 63.7% | 24% | 37.7% | 0 t/s | 0s | $0.2 | $0.5 | $0.28 |
| Grok 4 Fast (Reasoning) | 2025-09-19 | — | — | 84.7% | 19.1% | — | 18.9% | 65.8% | 73.7% | 50.5% | 0 t/s | 0s | $0.2 | $0.5 | $0.28 |
Indices on Artificial Analysis 0-100 scale · eval scores are raw accuracy · “—” means the metric is not published for that model
Release Timeline
last 48 months- 2026-10-27xAI developed Grok Bot.Milestone
- 2026-10-22xAI partnered with SpaceX on the Super Intelligence Partner Network.Partnership
- 2026-10-12xAI released The X Subscription.Milestone
- 2026-09-28xAI released Team Bots.Milestone
- 2026-09-21xAI released Grok 4.7 (Xhigh).Model ReleaseIntelligence index 35.5
- 2026-09-18xAI released Grok Voice Transcribe 2.0.Model Release
Milestones written by Frontier Index from Artificial Analysis release dates, disclosed funding rounds, the official newsroom and major tech press. Linked rows open the original report.
Newsroom
source ↗- 2026-10-14Introducing Grok Voice 3.0Model Launch
- 2026-11-02Giving every team a data scientist with Grok BotRelease
- 2026-10-27Your next sales teammate should be a Grok BotRelease
- 2026-10-22Introducing the SpaceX Super Intelligence Partner NetworkModel Launch
- 2026-10-20Using Grok Bot to detect and respond to incidentsRelease
- 2026-10-12Introducing The X SubscriptionModel Launch
- 2026-09-28Team Bots: shared AI teammates that learn as they workRelease
- 2026-09-22How SpaceXSI is using Grok Bot to scale customer supportRelease
Partners & Investors
- Total raised
- $52.1B
- Latest round
- $20B (Series E)
- Funding rounds
- 15
Funding rounds
- Series D$10B (at a $200B valuation)
Sep 2025 · Investor group not fully disclosed in public reporting
- Debt / Equity Package~$10B (mix of debt and equity)
Jul 2025 · Arranged partly through Morgan Stanley
- Series E$20B
Jan 2026 · Valor Equity Partners, StepStone, Fidelity, QIA, MGX, Baron Capital, NVIDIA, Cisco
- Series C$6B
Dec 2024 · a16z, BlackRock, Fidelity, Kingdom Holdings, Lightspeed, MGX, Morgan Stanley, QIA, Sequoia, Valor, Vy Capital, NVIDIA, AMD
- Series B$6B
May 2024 · Valor, Vy Capital, a16z, Sequoia, Fidelity, Kingdom Holding
- Series A / initial financing$134.7M
Dec 2023 · Initial investors
Disclosed figures only · as of Aug 2026