xAI
Elon Musk's AI lab. Grok 4.5 with 1.5T parameters, $2/$6 per 1M, integrated with X/Twitter and SpaceXAI Console.
Elon Musk's AI lab. Grok 4.5 with 1.5T parameters, $2/$6 per 1M, integrated with X/Twitter and SpaceXAI Console.
Models from xAI(1)
xAI History Timeline(20)
Grok 4.6 launches integrated into Hermes platform
500K-token context. 50% discount via NousResearch portal for one week.
SourceGrok Voice deployed to Starlink customer hotline
Handling 15,000+ daily support/sales calls. Grok Voice Think Fast 2.0 commercial at $0.08/min.
SourceAdversa discloses Cryptographic Context Injection zero-click flaw, xAI unfixed since June
Malicious instructions hidden in AES-encrypted ciphertext trick the AI into decrypting and executing them inside its sandbox, reading the user's full chat history and exfiltrating it automatically. Still reproducible on Aug 19, with Google Gemini also vulnerable to the same technique.
SourcexAI launches Grok Bot early beta for SuperGrok and Cursor Ultra subscribers
Grok Bot uses persistent AI agents running 24/7 on dedicated cloud computers to complete multi-step tasks: sign into enterprise tools, drive websites without APIs, save workflows as reusable routines. Cursor co-founder Truell announced the same day a small-cohort in-person onboarding for San Francisco enterprises.
SourceGrok web chat Cryptographic Context Injection disclosure
August 20 Adversa AI disclosure, xAI notified in June but still unfixed as of August 19
SourceGrok 4.6 launches, Grok 4.7 previewed
Aug 19 launched Grok 4.6, previewed Grok 4.7 with supplemental training on SpaceX engineering data
SourceGrok 4.6 goes live on Amazon Bedrock
August 19 Grok 4.6 GA with US Geo and Global cross-region inference, $2/$6 pricing
SourceGrok 4.6 released at $2/M input tokens
In August xAI released Grok 4.6 for long-running agents and multi-step execution, with 94.9 percent on GPQA Diamond and $2/M input tokens; available in Cursor and GitHub Copilot.
SourceFourth plaintiff joins xAI Grok CSAM lawsuit
A fourth plaintiff joined the federal lawsuit on August 15, alleging her stepfather used Grok to transform her childhood photo at age 11 into over 7,000 explicit images. Plaintiffs seek class action status.
SourcexAI launches Grok Bot public beta
On August 11 xAI launched Grok Bot public beta, described as a fleet of always-on AI agents with their own cloud computers.
SourceGrok Imagine Image 2.0 launches
Released Aug 8 with professional image editing, ranks second on Arena overall
SourceGrok 4.6 scheduled to launch August 7 with 1.5T parameters
On August 4 at the SpaceX Q2 earnings call, Musk announced Grok 4.6 (1.5T params) for August 7, with improved SFT and RL. Grok 4.7 in 3-4 weeks, Grok 5 within 2026.
SourceGrok 4.5 integrates with Cursor
Joint training, integrates Cursor developer interaction data
SourceGrok 4.5 inference speed 80 TPS
SWE-Bench Pro same task consumes less than 1/4 of Opus 4.8 Max tokens
SourcexAI valued at $200B
xAI raised >$10B at $200B valuation with sovereign fund participation.
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