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When a 93-year-old woman noticed how tired she was on her daily drives, she started going out less.
But with FSD Supervised, she’s now able to drive herself to appointments, run errands and even take road trips to visit her family on her own
On this day in 2023, Elon Musk officially announced xAI.
A lot has happened since then…
• Jul 12, 2023 — xAI was officially announced with the mission of understanding the true nature of the universe.
• Nov 3, 2023 — Unveiled Grok, its first AI model, trained in only two months and connected to real-time knowledge from 𝕏.
• Nov 6, 2023 — Launched PromptIDE for prompt engineering and interpretability research.
• Mar 17, 2024 — Open-released Grok-1’s weights and architecture, a 314B-parameter Mixture-of-Experts model.
• Mar 28, 2024 — Announced Grok-1.5 with major reasoning improvements and a 128K-token context window.
• Apr 12, 2024 — Introduced Grok-1.5V, xAI’s first multimodal model for understanding images, documents, charts, diagrams and screenshots.
• May 26, 2024 — Raised $6 billion in Series B funding.
• Aug 13, 2024 — Launched Grok-2 and Grok-2 mini, bringing stronger reasoning, coding, vision and image generation to Grok.
• Sep 2024 — Brought Colossus online with 100,000 NVIDIA H100 GPUs, built from start to finish in only 122 days.
• Nov 4, 2024 — Opened the xAI API public beta.
• Dec 9, 2024 — Launched Aurora, xAI’s own autoregressive image-generation model.
• Dec 12, 2024 — Made Grok free for everyone on 𝕏 while adding web search, citations and multilingual improvements.
• Dec 23, 2024 — Raised another $6 billion through its Series C funding round.
• Jan–Feb 2025 — Launched standalone Grok applications for iOS and Android.
• Feb 2025 — Doubled Colossus to 200,000 GPUs just 92 days after completing the first 100,000-GPU cluster.
• Feb 19, 2025 — Unveiled Grok 3 and Grok 3 mini, trained with roughly 10× more compute, alongside Think and DeepSearch.
• Feb–Mar 2025 — Rolled out Voice Mode and the SuperGrok subscription.
• Mar 17, 2025 — Acquired AI video-generation startup Hotshot.
• Mar 28, 2025 — xAI acquired 𝕏 in an all-stock transaction, combining data, models, compute, distribution and talent.
• Apr–May 2025 — Released Grok 3 through the API and launched Live Search for real-time information from the web and 𝕏.
• Jul 9, 2025 — Launched Grok 4 and Grok 4 Heavy with native tool use, real-time search and reinforcement learning at unprecedented scale.
• Jul 12, 2025 — Brought Grok directly into Tesla vehicles through an over-the-air software update.
• Jul 14, 2025 — Launched xAI for Government.
• Jul–Aug 2025 — Introduced Grok Companions, launched Grok Imagine for rapid image and video generation with sound, and open-released Grok 2.
• Aug 28, 2025 — Launched Grok Code Fast 1 for fast and economical agentic coding.
• Sep 19, 2025 — Launched Grok 4 Fast, delivering Grok 4-class performance with significantly greater token and cost efficiency.
• Sep 25, 2025 — Expanded xAI for Government through the GSA OneGov program.
• Oct 27, 2025 — Launched Grokipedia, an AI-generated knowledge platform powered by Grok.
• Nov 17, 2025 — Launched Grok 4.1, which reached the #1 position on LMArena’s Text Arena during its rollout.
• Nov 19, 2025 — Launched Grok 4.1 Fast and the Agent Tools API while announcing a major partnership with Saudi Arabia and HUMAIN.
• Dec 2025 — Partnered with El Salvador on a nationwide AI education program; launched the Grok Voice Agent API, Collections API, Grok Business and Grok Enterprise; and was selected for a major U.S. defense AI program.
• By the end of 2025 — Colossus I and II had surpassed one million H100 GPU equivalents, while 𝕏 and Grok reached roughly 600 million monthly active users combined.
• Jan 6, 2026 — Raised $20 billion through an upsized Series E funding round.
• Jan 28, 2026 — Launched the Grok Imagine API for image creation, video generation and media editing.
• Feb 2, 2026 — SpaceX acquired xAI, combining artificial intelligence, rockets, satellites, communications and real-time information.
• Mar 10, 2026 — Launched Grok 4.20 and Grok 4.20 Multi-Agent, allowing multiple specialized agents to collaborate on difficult problems.
• Apr 17–30, 2026 — Launched standalone Speech-to-Text and Text-to-Speech APIs, Grok Voice Think Fast 1.0 and Custom Voices.
• May 5, 2026 — Launched Grok 4.3 with a 1M-token context window, configurable reasoning and advanced tool-calling capabilities.
• May 6, 2026 — Launched Grok Connectors and Imagine Quality Mode while announcing a major Colossus computing partnership with Anthropic.
• May 15–21, 2026 — Brought Grok subscriptions to Hermes Agent, OpenClaw and OpenCode, then launched Grok Skills for persistent expertise, workflow automation and document generation.
• May 25, 2026 — Launched Grok Build, an agentic coding CLI capable of planning, searching, editing, testing and building software directly from the terminal.
• May 27–Jun 15, 2026 — Expanded the Grok coding ecosystem with Kilo Code, Grok Build through the API, Composer 2.5, plugins, a marketplace, an Agent Dashboard and Warp integration.
• Jun 3–18, 2026 — Launched Grok Imagine Video 1.5, expanded Grok Voice through Vapi, powered Gopuff’s Go and eToro’s Tori, and brought Grok to PowerPoint, Word, Excel, Amazon Bedrock and Databricks.
• Jul 1, 2026 — Launched Voice Agent Builder, a no-code platform for deploying production-ready Grok voice agents.
• Jul 6, 2026 — Launched 21 new flagship Grok voices.
• Jul 8, 2026 — Launched Grok 4.5, SpaceXAI’s smartest model yet for coding, agentic tasks and knowledge work—trained alongside Cursor, served at fast-model speeds and built for dramatically greater token efficiency.