VideoGenReview

What each AI video model's release notes say changed

Grok Imagine changes by date, 2026

Grok Imagine: 4 entries, 28 January 2026 to 13 August 2026, naming one version, Grok Imagine 1.5; 2 name no model. Apart from new models, most concern sound, voice or lip-sync and API, plan or availability. As of 2026-09-25.

Entries per line, this one markedA long bar means a detailed log, not necessarily a faster-moving model.Entries per line, this one markedKling AI3737Runway3131Wan2626PixVerse2020LTX1616Seedance1616Google Veo1515Luma Ray99Adobe Firefly Video77MiniMax Hailuo77Vidu77HappyHorse66Amazon Nova Reel55Gemini Omni55Grok Imagine44Midjourney video44Sora44
Fig. 1 A long bar means a detailed log, not necessarily a faster-moving model.

Inclusion rule. All seventeen lines on the register, each with its count of dated entries and version rows. Order. Alphabetical by line.

1What the notes say

xAI's API release notes say little about video, and say it plainly. Video generation opened on 28 January 2026, the Batch API took video jobs from 15 March, and grok-imagine-video-1.5 added reference-to-video with preset voices and native 1080p on 31 July 2026. Runway's changelog records the 1.5 model reaching its MCP thirteen days later, at 1 to 15 seconds with audio.

2Every entry

Every Grok Imagine entry, oldest first.
DateVersionWhat changedSource
28 January 2026Not named in the noteVideo generation opens in the xAI APIMaker's note
15 March 2026Not named in the noteThe Batch API accepts video generation jobsMaker's note
31 July 2026Grok Imagine 1.5Grok Imagine video 1.5 adds reference-to-video with preset voices and native 1080pMaker's note
13 August 2026Grok Imagine 1.5Grok Imagine 1.5 reaches Runway's MCP, 1 to 15 seconds with audioArrival on Runway

Inclusion rule. All entries on the register for this line: the maker's notes, platform arrivals and undated rows. Order. By date, oldest first; undated rows last.

3Each entry with its source

  • Jan 28
    Video generation opens in the xAI APIxAI, API release notes / since 2026-01-28 / checked 2026-09-25
  • Mar 15
    The Batch API accepts video generation jobsxAI, API release notes / since 2026-03-15 / checked 2026-09-25
  • July 31
    Grok Imagine video 1.5 adds reference-to-video with preset voices and native 1080pxAI, API release notes / since 2026-07-31 / checked 2026-09-25
  • Grok Imagine 1.5 Video
    Grok Imagine 1.5 reaches Runway's MCP, 1 to 15 seconds with audioRunway, changelog / since 2026-08-13 / checked 2026-09-25

4Versions

  • Grok Imagine 1.5: 2 entries, from 31 July 2026
  • Not named in the note: 2 entries

5Kinds of change

6Latest dated entry

13 August 2026, Grok Imagine 1.5: Grok Imagine 1.5 reaches Runway's MCP, 1 to 15 seconds with audio.

Generate 1-15 second clips with native audio, up to 1080p resolution.

Runway, changelog

7Neighbouring lines

8Notes read

How entries are chosen and sorted: the method.