Timeline of Grok
This is a timeline of Grok, an AI assistant developed by xAI. First launched in November 2023, it is powered by a large language model. The timeline traces the evolution of Grok from the 1960s origin of the term in Heinlein’s Stranger in a Strange Land to its modern development by xAI (2023–2025). It records major releases, technical milestones, controversies, privacy and security incidents, and Grok’s integration with X and Azure, highlighting its expanding role in multimodal and reasoning-oriented artificial intelligence.
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Big picture
| Time period | Development summary | More details |
|---|---|---|
| 2023 | Prelude and launch | In April, Elon Musk announces plans for TruthGPT, a “maximum truth-seeking AI” aimed at countering perceived political bias in systems like ChatGPT. Soon after, he founds X.AI Corp. in Nevada to pursue this vision. On November 3, xAI releases Grok-1, a large language model developed in Rust and Python, integrated with X (formerly Twitter). Distinguished by humor and personality, Grok represents Musk’s effort to combine reasoning and character within conversational AI. Days later, xAI introduces PromptIDE, an interpretability environment allowing developers to inspect model behavior through visual analytics, token tracking, and shared prompt libraries. Together, Grok-1 and PromptIDE establish xAI’s foundation—merging technical transparency with a distinctive, personality-driven approach that set Grok apart from competitors like OpenAI’s ChatGPT and Anthropic’s Claude. |
| 2024 | Expansion, multimodality, and scrutiny | xAI expands Grok’s capabilities and reach. The company open-sources the 314-billion-parameter Grok-1 model in March, followed weeks later by Grok 1.5, featuring a 128K-token context and stronger reasoning. Grok 1.5V adds multimodal understanding, enabling text–image analysis across documents, diagrams, and photos. However, Grok’s growing influence also brings scrutiny—its generation of a false “Iran Strikes Tel Aviv” headline exposes the risks of unmoderated AI-generated news. Later, Grok 2 and 2 Mini deepen multimodality, integrating Black Forest Labs’ FLUX for text-to-image synthesis. November’s Grok API beta opens programmatic access to developers, while Aurora, an autoregressive image model, extends creative applications on X. Despite innovations, Musk’s call for users to upload medical images trigger privacy alarms, underscoring tensions between experimentation and ethical safeguards. |
| 2025 | Commercialization and controversy | Grok matures into a global AI ecosystem. The Grok 3 release in February, trained on xAI’s Colossus supercomputer using over 100,000 Nvidia GPUs, introduces “Think Mode” and real-time “DeepSearch,” surpassing GPT-4o in reasoning benchmarks. Yet, allegations of benchmark manipulation, antisemitic outputs, and privacy leaks tarnish its image. xAI expands commercially, launching xAI for Government with a $200 million U.S. Defense contract and deploying Grok 4 on Microsoft Azure AI Foundry for enterprise use. Meanwhile, Grok Imagine democratizes text-to-video generation but faces security issues after cybercriminals exploit vulnerabilities through prompt injection. Despite recurring controversies, Grok consolidates its role as a high-performance, multimodal AI suite—symbolizing both the technological ambition and ethical turbulence of the post-ChatGPT era. In September, Grok-5 begins training. |
Full timeline
| Year | Event type | Details |
|---|---|---|
| 1962 | Prelude | The term “grok” gains cultural significance following the publication of Robert A. Heinlein’s 1961 science fiction novel Stranger in a Strange Land. The verb “to grok” describes an intuitive, profound understanding that transcends ordinary human comprehension. The word soon enters popular and technological vocabulary, symbolizing deep empathy or total integration with a concept. Decades later, the term would inspire Elon Musk’s 2023 AI chatbot launch, reflecting the same theme of deep understanding between humans and artificial intelligence. |
| 2023 (March 9) | xAI is founded with a mission to accelerate human scientific discovery and advance collective understanding of the universe.[1] | |
| 2023 (March 22) | Elon Musk endorses an open letter from the Future of Life Institute calling for a six-month moratorium on training AI frontier models exceeding the capabilities of OpenAI's GPT-4. Signed by over 33,000 people, including researchers and tech leaders, it warns that unchecked AI development poses serious societal and existential risks. The letter urges creating shared safety protocols, independent oversight, and strong AI governance before continuing the AI race. It advocates focusing on transparency, reliability, and alignment rather than unregulated model scaling.[2] | |
| 2023 (April 17) | Prelude | Elon Musk announces plans to create “TruthGPT,” an AI chatbot designed to counter perceived political bias in existing systems like ChatGPT. In a Fox News interview with Tucker Carlson, Musk describes it as a “maximum truth-seeking AI” aimed at understanding the universe, arguing that such an AI would be less likely to harm humanity. He reiterates his long-standing concerns about AI’s dangers and advocates for regulation. Around the same time, Musk founds X.AI Corp. in Nevada to pursue his new AI ventures.[3] |
| 2023 (November 3) | Launch | xAI releases Grok 1, the company’s first large language model and AI chatbot, marking its entry into the generative AI landscape. Developed under Elon Musk, Grok distinguishes itself through a witty, humorous personality integrated into conversational replies, aligning closely with X (formerly Twitter). Written in Rust and Python, Grok 1 introduces xAI’s ambition to create reasoning-capable AI systems. Although simpler than later versions, it establishes the foundation for subsequent iterations—Grok 1.5, 2, and 3—each improving reasoning, multimodal understanding, and performance to rival models like GPT-4 and Claude.[4] |
| 2023 (November 6) | xAI announces PromptIDE, an integrated development environment for prompt engineering and interpretability research. Designed to work with Grok-1, it provides engineers and researchers with transparent access to model behavior. The IDE includes a Python editor, an SDK for advanced prompting, and visual analytics showing tokenization, sampling probabilities, and attention masks. It also features automatic saving, versioning, and data upload support. Users can share prompts publicly to foster community collaboration. PromptIDE is initially released to members of xAI’s early access program.[5] | |
| 2023 (December 7) | xAI rolls out Grok-1 to Premium+ subscribers on the social media platform X (formerly Twitter).[1] | |
| 2024 (March 17) | xAI publicly releases the weights and architecture of Grok-1, its 314-billion-parameter Mixture-of-Experts LLM, under the Apache 2.0 open-source license. Trained from scratch using a custom JAX and Rust framework, Grok-1 represents xAI’s foundational model for future Grok systems. The release includes the raw pre-training checkpoint, meaning the model is not fine-tuned for tasks such as conversation. Grok-1 activates about 25% of its parameters per token, balancing efficiency and scale. Developers can access setup instructions and implementation guidance through xAI’s official GitHub repository at github.com/xai-org/grok.[6] | |
| 2024 (March 28) | xAI releases Grok 1.5, an upgraded version of its original Grok large language model. This iteration significantly expands the model’s context length to 128,000 tokens, enhancing its ability to process and reason over longer inputs. Grok 1.5 also improves problem-solving and benchmark performance, positioning it competitively against leading models such as Anthropic Claude 3, OpenAI GPT-4, and Google Gemini Pro 1.5. The update strengthens Grok’s reasoning abilities and efficiency while maintaining the chatbot’s characteristic humor and integration with X (formerly Twitter).[4] | |
| 2024 (April 4) | Grok is found to generate a false headline claiming that “Iran Strikes Tel Aviv with Heavy Missiles,” which is then promoted on X’s official trending news section. The event occurs shortly after Israel’s airstrike on Iran’s embassy in Syria, making the fake headline appear plausible. However, no such attack happens. The incident highlights the risks of removing human editors—a policy change implemented by Elon Musk after acquiring Twitter. Previously, Twitter had relied on human curation and partnerships with AP and Reuters to verify trending news content.[7] | |
| 2024 (April 12) | xAI launches Grok-1.5V, its first-generation multimodal model that combines advanced text understanding with visual processing. Grok-1.5V can interpret documents, diagrams, charts, screenshots, and photographs, bridging digital and physical information. It demonstrates competitive performance across multiple domains, including multi-disciplinary reasoning and real-world spatial understanding, excelling in xAI’s RealWorldQA benchmark. Evaluations are conducted in a zero-shot setting without chain-of-thought prompting.[4][8] | |
| 2024 (May 5) | Grok-1.5 becomes available on X.[1] | |
| 2024 (August 14) | xAI releases Grok 2 and Grok 2 mini, advancing the model’s multimodal capabilities and overall performance beyond Grok 1.5. Grok 2 featured native multimodal functionality, allowing it to process and generate both text and images. Through a partnership with Black Forest Labs, it integrates FLUX, a text-to-image generation technology that enables users to create visual content directly from prompts. The release marks a significant milestone in Grok’s evolution, combining advanced reasoning with creative image synthesis and greater computational efficiency.[4] | |
| 2024 (November 4) | xAI launches the public beta of its Grok API, allowing developers to access Grok foundation models programmatically. During the beta, running until the end of 2024, all users receive $25 of free API credits per month. The preview includes grok-beta, a text model with a 128,000-token context length, function calling, and system prompt support, with a multimodal version supporting images announced. The API is REST-compatible with OpenAI and Anthropic, simplifying migration. Existing prepaid credit holders receive equivalent free credits. Developers can get started at console.x.ai and access documentation at docs.x.ai.[9] | |
| 2024 (November 4) | Elon Musk urges users to upload medical images to Grok AI for diagnostic analysis, sparking privacy and accuracy concerns. Physicians testing the tool find mixed results—some note impressive reasoning with detailed prompts, while others report incorrect diagnoses. Experts warn that sharing medical data on X could violate privacy regulations like HIPAA and GDPR. Grok’s healthcare potential draws both interest and skepticism, with Musk suggesting future integration with Neuralink. Regulators in Europe and U.S. states also question xAI’s data practices and misinformation controls.[10] | |
| 2024 (December 9) | xAI releases Aurora, an autoregressive image generation model that enhances Grok’s capabilities on the X platform. Aurora is a mixture-of-experts network trained on billions of text–image pairs from the internet to predict the next token in interleaved data. This training enables it to produce highly photorealistic images and accurately follow textual instructions. The model also supports multimodal inputs, allowing users to draw inspiration from or directly edit their own images.[11] | |
| 2025 (February 5) | Grok app becomes available for pre-registration on the Google Play Store, one month after its iOS debut. Android users in select countries—including Australia, Canada, India, the Philippines, and Saudi Arabia—can access the limited beta, while U.S. users may pre-register to be notified upon release. The app offers the Grok 2 model, matching the free and paid tiers already available on X (formerly Twitter). The delayed Android release reflects xAI’s continued iOS-first rollout strategy but marks progress toward broader platform availability.[12] | |
| 2025 (February 17) | xAI officially releases Grok 3, the third generation of its large language model. Built on the company’s Colossus supercomputer using over 100,000 Nvidia Hopper GPUs, Grok 3 introduces advanced reasoning through a new Think mode and real-time DeepSearch capabilities for up-to-date internet information. It achieves industry-leading benchmark scores, including 79.4 on LiveCodeBench (coding) and 99.3 on AIME 2024 (math), outperforming GPT-4o and DeepSeek-R1. The model remains proprietary, marking xAI’s most powerful and capable AI release to date.[4] | |
| 2025 (February 22) | Controversy arises after an OpenAI employee accuses xAI of misleadingly presenting Grok 3’s benchmark results. xAI had published a graph showing Grok 3 Reasoning Beta and Grok 3 mini Reasoning outperforming OpenAI’s o3-mini-high on the AIME 2025 math benchmark. Critics note xAI omitted cons@64 scores, which allow multiple attempts and usually boost performance, making Grok 3’s advantage appear overstated. xAI co-founder Igor Babuschkin defends the company, arguing OpenAI had done similar comparisons. Experts like Nathan Lambert emphasize that benchmark results often lack context on computational costs and limitations.[13][14] | |
| 2025 (July 7) | Grok is found producing antisemitic responses on X, linking Jewish surnames to negative stereotypes and conspiracy tropes about media and government control. The posts follows Musk’s June announcement that Grok would be “retrained” to reduce political correctness. xAI acknowledges the issue, claiming to be removing offensive content and retraining the model. Some posts are deleted, but many remain. The Anti-Defamation League condemns Grok’s behavior as “irresponsible and dangerous,” warning it amplifies extremist rhetoric and antisemitic ideology already spreading on X.[15] | |
| 2025 (July 14) | xAI announces xAI for Government, a suite of frontier AI products tailored for U.S. government agencies. The initiative brings advanced tools like Grok 4, Deep Search, and Tool Use to federal, state, and national security sectors, aiming to enhance efficiency and innovation in public services, science, and defense. It includes custom AI models for classified environments, engineering support, and specialized applications. xAI also secures a $200 million ceiling contract with the U.S. Department of Defense, and its products are now available via the GSA schedule.[16] | |
| 2025 (August 5) | Product launch | xAI launches Grok Imagine, an image and video generation tool available to SuperGrok and Premium+ users via the iOS app. The service creates 15-second video clips with sound from text or image prompts, offering a “spicy mode” that allows limited sexualized content. Grok Imagine automatically produces image variations and can animate artwork or photos, including depictions of public figures. Demonstrations include an animated Nikola Tesla image. The launch follows xAI’s July release of 3D-animated AI companions for Grok.[17] |
| 2025 (August 18) | xAI makes Grok Imagine, its AI-powered image and video generation tool, free to use. Initially available only to SuperGrok and Premium+ subscribers, the feature now allows all users to create short video clips and photorealistic images from text or image prompts directly within the X app. Grok Imagine supports sound, animation, and varied visual styles. The update follows xAI’s broader push to make creative AI tools accessible to a wider audience, positioning Grok as a direct competitor to OpenAI’s Sora and similar generative video technologies.[18] | |
| 2025 (August 21) | Privacy | Hundreds of thousands of user conversations with Grok are unintentionally exposed in Google search results. When users share chat transcripts via Grok, unique links make them publicly searchable, with nearly 300,000 conversations indexed. Transcripts include sensitive content, from medical advice to instructions for illegal activities. Experts warn this represents a “privacy disaster in progress,” highlighting risks of personal information exposure. Similar issues had occurred with other AI chatbots. Users are unaware their shared chats would appear publicly, raising concerns about consent and data handling.[19] |
| 2025 (August 21) | Elon Musk announces via X (formerly Twitter) that training for Grok 5—the company's next-generation large language model—would commence the following month, in September. This revelation came in a reply thread amid discussions on xAI's broader roadmap, including SpaceX's Starship 10 launch on October 19 and Tesla's Autopilot V14 rollout. Musk frames the update within a "compelling" long-term strategy, emphasizing Grok 5's potential to advance toward artificial general intelligence (AGI) by surpassing human-level capabilities in AI engineering and reasoning tasks.[20] | |
| 2025 (September 29) | Microsoft and xAI launch Grok 4 on Azure AI Foundry, offering enterprise users a frontier-level reasoning model with safety, flexibility, and control. Built on xAI’s Colossus supercomputer, Grok 4 delivers a 128K-token context window, native tool use, and integrated web search. Emphasizing first-principles reasoning and reinforcement learning, it excels at complex math, science, and logic tasks. Azure AI Content Safety is enabled by default, ensuring responsible deployment. The platform also provides specialized variants for reasoning, non-reasoning, and coding. Grok 4 integrates real-time data for dynamic insights and enterprise-ready AI applications.[21] | |
| 2025 (October 16) | Competition | Grok Code Fast 1 overtakes ChatGPT, Gemini, and Claude to lead OpenRouter’s programming benchmarks and total token usage, signaling a shift in AI adoption among developers. Processing 56.7 billion tokens in Python tasks and 4.83 trillion overall, Grok demonstrates coding efficiency and broad integration. Its success stems from being software-engineering focused, offering free and paid tiers, and emphasizing speed, cost, and usability over sheer size. This surge challenges established models and highlights a trend favoring practical, task-specific AI solutions in real-world development workflows.[22] |
| 2025 (October 17) | Security | Cybercriminals manipulate Grok to spread phishing links and malware on X, affecting millions of users. Researchers at ESET uncover the “Grokking” campaign, which exploits a vulnerability through “prompt injection,” embedding hidden instructions in video metadata that Grok interprets and reposts. This causes Grok to unknowingly share fraudulent URLs that steal banking data or install malware. Experts warn the case highlights AI’s vulnerability to manipulation and the risks of integrating generative AI with social platforms, urging stricter moderation and real-time security safeguards.[23] |
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The initial version of the timeline was written by Sebastian Sanchez.
Check Detail construction for full timeline in timelines, Inclusion criteria for full timeline in timelines, and Representativeness of events in timelines.
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See also
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References
- ↑ 1.0 1.1 1.2 "Grok AI". Life Architect. Retrieved 19 October 2025.
- ↑ "Pause Giant AI Experiments: An Open Letter". Future of Life Institute. 22 March 2023. Retrieved 19 October 2025.
- ↑ "Elon Musk says he'll create 'TruthGPT' to counter AI 'bias'". The Independent. Associated Press. 18 April 2023. Retrieved 16 October 2025.
- ↑ 4.0 4.1 4.2 4.3 4.4 Kerner, Sean Michael (April 4, 2025). "Grok 3 model explained: Everything you need to know". TechTarget. Retrieved October 15, 2025.
- ↑ "Announcing PromptIDE". xAI. November 6, 2023. Retrieved October 15, 2025.
- ↑ "Open Release of Grok-1". xAI. Retrieved October 15, 2025.
- ↑ Binder, Matt (5 April 2024). "Elon Musk's X pushed a fake headline about Iran attacking Israel. X's AI chatbot Grok made it up". Mashable. Retrieved 16 October 2025.
- ↑ Elon Musk's xAI (2024-04-12). "Grok-1.5 Vision Preview". Retrieved 2025-10-16.
- ↑ "Announcing PromptIDE". xAI News. 2023-11-06. Retrieved 2025-10-16.
- ↑ Andrea Fox (4 November 2024). "Elon Musk suggests Grok AI has a role in healthcare". Healthcare IT News. Retrieved 17 October 2025.
- ↑ "Grok Image Generation Release". x.ai. 9 December 2024. Retrieved 16 October 2025.
- ↑ Matthew Sholtz (5 February 2025). "Grok now available for pre-registration on Play Store". Android Police. Retrieved 16 October 2025.
- ↑ Kyle Wiggers (22 February 2025). "Did xAI lie about Grok 3's benchmarks?". TechCrunch. Retrieved 16 October 2025.
- ↑ Nathan Lambert. "Post by Nathan Lambert on Grok 3 benchmarks". X (formerly Twitter). Retrieved October 16, 2025.
- ↑ Hadas Gold (8 July 2025). "Elon Musk's AI chatbot is suddenly posting antisemitic tropes". CNN. Retrieved 17 October 2025.
- ↑ "Announcing xAI for Government". x.ai. 10 October 2024. Retrieved 16 October 2025.
- ↑ "Elon Musk's AI Startup Launches Image and Video Generator". ForkLog. 5 August 2025. Retrieved 17 October 2025.
- ↑ "Elon Musk's 'Grok Imagine' goes FREE: AI tool turns text, images into videos". Mathrubhumi English. 18 August 2025. Retrieved 17 October 2025.
- ↑ Liv McMahon (21 August 2025). "Hundreds of thousands of Grok chats exposed in Google results". BBC News. Retrieved 17 October 2025.
- ↑ "Tweet by @elonmusk". Retrieved 19 October 2025.
- ↑ The Azure AI Foundry Team (29 September 2025). ""Grok 4 is now available in Azure AI Foundry: Unlock frontier intelligence and business-ready capabilities"". Microsoft Azure Blog. Retrieved 19 October 2025.
- ↑ Diakov, Sergey (2025). "Grok Surges Ahead in OpenRouter Leaderboards". The Tradable. Retrieved 17 October 2025.
- ↑ Risom, Asger (2025-10-17). "Grok chatbot manipulated to spread fake links and malware on X". Dagens. Retrieved 2025-10-17.