xAI: what I’ve logged
xAI comes up in 9 posts of my AI log, from September 2025 to September 2026, and each item below links to the primary source. The releases I logged include Grok Imagine Video 1.5 Lite, Grok 4.7 and Grok Voice Transcribe 2.0, filed under frontier, agents and coding and open weights.
Items that mention xAI
- xAI 28 Sep 2026
Grok Imagine Video 1.5 Lite
A lighter text-to-video and image-to-video model with native audio, 1 to 15 second clips and prices from $0.02 a second.
- 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.
- xAI 14 Sep 2026
Grok Voice Transcribe 2.0
A speech-to-text model xAI says is twice as accurate as version 1.0 at the same price.
- 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.
- 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.
- xAI 11 May 2026
Grok Build beta
xAI's release notes record a coding agent that runs as a terminal app, headless in scripts, or behind the Agent Client Protocol.
- 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.
- xAI 17 Nov 2025
Grok 4.1
An update focused on emotional intelligence, creative writing and fewer hallucinations.
- 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.
Posts that cover xAI
September 20263 entries
- Week of 28 Sep 2026Gemini 4 Argon debuts to cyber defenders, Sonnet 5.5, GPT-6.1 SolFrontier · Agents and coding · Open weights · Science · Policy and business
- Week of 21 Sep 2026Claude Opus 5.5 and GPT-6 Sol land, Claude finds a new enzymeFrontier · Open weights · Science · Image, video, world
- Week of 14 Sep 2026Gemini 3.8 Live, open Qwen-Image-2.1 and Anthropic's Accenture pactFrontier · Image, video, world · Open weights · Policy and business