VideoGenReview

What each AI video model's release notes say changed

Sora release notes, 2025 to 2026

Sora: 4 entries, 6 October 2025 to 12 March 2026, naming one version, Sora 2. Apart from new models, most concern API, plan or availability and clip length or extension. 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

OpenAI's API changelog holds four Sora notes: the v1/videos endpoint for Sora 2 and Sora 2 Pro on 6 October 2025; a newer snapshot behind the sora-2 name on 13 January 2026; and on 12 March 2026, character references, 20-second clips, 1080p on the pro model, extensions and batch jobs, together with an edits endpoint that replaces remix.

2Every entry

Every Sora entry, oldest first.
DateVersionWhat changedSource
6 October 2025Sora 2The API gains a videos endpoint for Sora 2 and Sora 2 ProMaker's note
13 January 2026Sora 2The sora-2 name now points to a December 2025 snapshot; the October snapshot stays callableMaker's note
12 March 2026Sora 2Character references, clips up to 20 seconds, 1080p on Sora 2 Pro, extensions and batch jobsMaker's note
12 March 2026Sora 2A new edits endpoint edits existing videos and takes over from remixMaker's note

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

  • October 6
    The API gains a videos endpoint for Sora 2 and Sora 2 Pro2025OpenAI, API changelog / since 2025-10-06 / checked 2026-09-25
  • January 13
    The sora-2 name now points to a December 2025 snapshot; the October snapshot stays callable2026OpenAI, API changelog / since 2026-01-13 / checked 2026-09-25
  • March 12
    Character references, clips up to 20 seconds, 1080p on Sora 2 Pro, extensions and batch jobs2026OpenAI, API changelog / since 2026-03-12 / checked 2026-09-25
  • March 12
    A new edits endpoint edits existing videos and takes over from remix2026OpenAI, API changelog / since 2026-03-12 / checked 2026-09-25

4Versions

  • Sora 2: 4 entries, from 6 October 2025

5Kinds of change

6Latest dated entry

12 March 2026, Sora 2: a new edits endpoint edits existing videos and takes over from remix.

Added POST /v1/videos/edits for editing existing videos.

OpenAI, API changelog

7Neighbouring lines

8Notes read

How entries are chosen and sorted: the method.