SpaceXAI Models
Real-time knowledge • Grok personality
Grok 4.7
Released September 2026
SpaceXAI's best model to date — a larger Grok trained on a longer, harder reinforcement-learning run plus SpaceX engineering data, at Grok 4.6's price and speed
Grok 4.3
Released May 2026
xAI's reasoning flagship with always-on reasoning, native video input, 1M context, and significantly cheaper API pricing
Grok 4.6
Released August 2026
SpaceXAI's frontier model for coding, agentic tasks, and knowledge work, focused on long-running agents and ambitious interactive and visual projects
Grok 4.5
Released July 2026
SpaceXAI's coding and agentic-work flagship on the new V9 foundation — pitched as Opus-class capability but faster, more token-efficient, and lower cost
Grok 4.20
Released March 2026
xAI's flagship multi-agent model combining four specialized agents on a shared MoE backbone for industry-leading speed and lowest hallucination rates
Grok 4.1
Released November 2025
xAI's enhanced model focusing on personality refinement and real-world usability improvements
Grok-4
Released July 2025
World's most intelligent model with native tool use and real-time search
Grok 4 Heavy
Released July 2025
xAI's premium variant with parallel-agent orchestration for the most demanding tasks
Grok-3
Released February 2025
xAI's advanced model trained with 10x more compute than Grok-2
Grok-2
Released August 2024
xAI's most advanced model with real-time information access
Grok-2 mini
Released August 2024
xAI's efficient smaller model with real-time capabilities
Grok-1.5
Released March 2024
Enhanced version of Grok with improved reasoning capabilities
Grok-1
Released November 2023
xAI's debut model with unique personality and real-time access