Platform Profile
xAI
xAI is building AI to accelerate human scientific discovery, with the Grok family of models.
Role
Frontier model developer
Stack
Reasoning, real-time tools, multimodal
Status
Active
Elon Musk founded lab focused on maximum truth-seeking and real-time capabilities.
Related Coverage
- SpaceXAI Launches Grok 4.5, Co-Trained with Cursor
On July 8, 2026, SpaceXAI (formerly xAI under the SpaceX/AI stack branding) launched Grok 4.5—its strongest model yet for coding, agentic work, and knowledge tasks—trained alongside Cursor. It ships at $2/$6 per million tokens, ~80 tokens/sec, as default in Grok Build and on all Cursor plans, with API access via the SpaceXAI console; EU availability deferred to mid-July.
- SpaceXAI Adds 21 New Multilingual Flagship Grok Voices
On July 6, 2026, SpaceXAI released 21 new flagship voices for Grok Voice—joining the original five—all natively multilingual and available in the realtime Voice Agent API, Text-to-Speech API, and Grok Voice Agent Builder. The company also improved naturalness of the original five voices.
- SpaceXAI Introduces Grok Voice Agent Builder
On July 1, 2026, SpaceXAI announced the Grok Voice Agent Builder on its console—letting developers create and configure voice agents using Grok’s realtime Voice Agent API and TTS stack. The launch sits in the same week as Fable’s global restore and a few days before SpaceXAI’s large Grok Voice catalog expansion.
- xAI Launches Grok Build, a Terminal Coding Agent for SuperGrok and Premium+ Users
On May 25, 2026, xAI launched an early beta of Grok Build, a terminal-native coding agent and CLI available to all SuperGrok and X Premium Plus subscribers. The agent supports plan mode with step-level review, parallel subagents and worktrees, AGENTS.md/plugins/hooks/skills/MCP compatibility, headless mode for automation, and one-command install via curl.
- US Government Secures Early Access to Frontier AI Models from Microsoft, Google, and xAI for Security Testing
On May 5, 2026, the Center for AI Standards and Innovation (CAISI) at the US Department of Commerce announced agreements with Microsoft, Google DeepMind, and xAI to provide early access to new frontier AI models for national security and security risk evaluations before deployment, expanding prior partnerships and responding to concerns over advanced capabilities like those demonstrated by Anthropic's Mythos.