Google Veo output: 720p to 4k, 24fps, SynthID

Google Veo's own pages give a figure on 5 of the six spec lines. Highest resolution: 4K, generated. Longest output: in the 15 s or less group. No figure on HDR. From 1 source page, read 2026-09-25; no maker pays to be listed.

Inclusion rule. All twenty-nine tools on the sheet, each with the highest resolution its pages print. Order. Alphabetical by tool name.

Resolution

4K, generated

Frame rate

One rate stated

HDR

No figure

Frame shape

Landscape and portrait

Length

15 s or less

Marks

Invisible mark

1What the pages say

Veo 3.1's API page states each line plainly: 720p, 1080p or 4k generated directly (4k not on Lite), 24fps, 16:9 by default or 9:16, and 4, 6 or 8 seconds, with 8 required at 1080p and above. Every video carries a SynthID watermark that can be verified.

Maximum resolution: 4K, generated

Veo 3.1 can also directly generate 720p, 1080p or 4k videos (4k not available for Veo 3.1 Lite).

Google AI for Developers, Veo 3.1 in the Gemini API

• Veo 3.1
  720p, 1080p or 4k generated directly; 4k is not available for Veo 3.1 Litecontrol the resolutionGoogle AI for Developers, Veo 3.1 in the Gemini API / recorded 2026-09-25

This spec line in detail · Maximum resolution across twenty-nine tools

Frame rate: One rate stated

Frame rate: The output frame rate of the video. 24fps

Google AI for Developers, Veo 3.1 in the Gemini API

• Model parameters
  24fps outputframe rateGoogle AI for Developers, Veo 3.1 in the Gemini API / recorded 2026-09-25

This spec line in detail · Frame rate across twenty-nine tools

HDR and bit depth: No figure

• Veo page read in full; no HDR or bit-depth statement
  No figure on the vendor's spec pages (checked 2026-09-25)Google AI for Developers, Veo 3.1 in the Gemini API / recorded 2026-09-25

HDR and bit depth across twenty-nine tools

Aspect ratios: Landscape and portrait

Veo 3.1 lets you create landscape ( 16:9 , the default setting) or portrait ( 9:16 ) videos.

Google AI for Developers, Veo 3.1 in the Gemini API

• Veo 3.1
  Landscape 16:9 by default, or portrait 9:16control the aspect ratioGoogle AI for Developers, Veo 3.1 in the Gemini API / recorded 2026-09-25

This spec line in detail · Aspect ratios across twenty-nine tools

Longest single output: 15 s or less

Must be "8" when using extension, reference images or with 1080p and 4k resolutions

Google AI for Developers, Veo 3.1 in the Gemini API

• Model parameters
  8 seconds per generation, with 4 and 6 also offered; 8 is required at 1080p and 4kdurationSecondsGoogle AI for Developers, Veo 3.1 in the Gemini API / recorded 2026-09-25

This spec line in detail · Longest single output across twenty-nine tools

Watermark on output: Invisible mark

Videos created by Veo are watermarked using SynthID

Google AI for Developers, Veo 3.1 in the Gemini API

• Limitations
  Every video carries a SynthID watermark that can be verifiedwatermarkingGoogle AI for Developers, Veo 3.1 in the Gemini API / recorded 2026-09-25

This spec line in detail · Watermark on output across twenty-nine tools

2Related sheets

• Adobe Firefly and Google Veo
• Google Veo and Luma
• Google Veo and OpenAI Sora
• Filmora
• Flixly
• Grok Imagine
• HeyGen

How each reading is chosen: measurement.

3Sources checked

• Google AI for Developers, Veo 3.1 in the Gemini API, checked 2026-09-25