Grok: what I’ve logged

Grok comes up in 6 posts of my AI log, from September 2025 to September 2026, and each item below links to the primary source. The sources come from xAI, filed under frontier, open weights and science.

Items that mention Grok

xAI 21 Sep 2026
Grok 4.7
xAI's top coding and knowledge model, served at the same price and speed as Grok 4.6 and working longer on hard tasks.
Primary source
xAI 10 Aug 2026
Grok 4.6
Builds on Grok 4.5 with a focus on long-running agents and interactive, visual work, with a 500K window and effort settings up to xhigh.
Primary source
xAI 13 Jul 2026
Grok 4.5
xAI's new flagship for coding and agentic work, trained alongside Cursor, with a 500K-token context and API pricing of $2 in and $6 out per million tokens.
Primary source
xAI 27 Apr 2026
Grok 4.3
A 1M-token context taking text and images, five reasoning levels, and $1.25 in and $2.50 out per million tokens under 200K-token prompts.
Primary source
xAI 17 Nov 2025
Grok 4.1
An update focused on emotional intelligence, creative writing and fewer hallucinations.
Primary source
xAI 15 Sep 2025
Grok 4 Fast
A cheaper Grok 4 variant with a 2M-token context window that merges reasoning and non-reasoning in one model.
Primary source