Ali Asif

The AI log, by topic

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

  1. 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.

    Primary source

  2. 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

  3. 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.

    Primary source

  4. 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

  5. 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

  6. 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.

    Primary source

  7. 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

  8. xAI 17 Nov 2025

    Grok 4.1

    An update focused on emotional intelligence, creative writing and fewer hallucinations.

    Primary source

  9. 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

Posts that cover xAI