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Veo 3.1 Explained (2026): specs, list price, what it is good for, where to use it

SinCoSphere EditorialUpdated 2026-10-14Verified 2026-09-12Video model
Facts come from official pages with a last-checked date; scores follow our published 7-criterion rubric and are left blank when evidence is insufficient. No ads, no paid placements — editorial policy & corrections.

Google's video model with native audio and dialogue and strong realism, in Quality, Fast and Lite tiers; via Flow, Gemini API/Vertex, Runway, Luma, LTX Studio and invideo.

Specs

Segment length4, 6 or 8 s per generation (8 s at 1080p/4K or with reference images); extension adds 7 s up to 20 times (Veo 3.1 / Fast, 720p)
Resolution720p / 1080p / 4K (no 4K on Lite)
AudioNative audio and dialogue (always on)
ReferencesGemini API: up to 3 reference images (Veo 3.1 / Fast; not Lite); first and last frames. Flow Ingredients: Lite and Fast at 8 s, not Quality
Intra-segment cutsTimestamp prompting: several shots inside one 8 s generation (Google's Veo 3.1 prompting guide)
List priceGemini API per second: Lite $0.05 (720p) / $0.08 (1080p); Fast $0.10 / $0.12 / $0.30 (4K); Standard $0.40 (720p–1080p) / $0.60 (4K); blocked videos are not charged. Flow: 10 / 20 / 100 credits per Lite / Fast / Quality generation
Where to useFlow, Gemini API, Vertex AI, Runway, Luma, LTX Studio, invideo

Official docs ↗

Veo 3.1 vs other video models: seconds per generation

Published min–max; undisclosed models are not drawn
11 modelsHow we score ↗
  1. Seedance 2.0 / 2.54–30s
  2. Seedance 2.54–30s
  3. Wan 3.0 / 3.0 Prime2–30s
  4. Sora4–20s
  5. LTX-2.56–20s
  6. Vidu1–16s
  7. MiniMax Hailuo H34–15s
  8. Kling 3.0 / Omni3–15s
  9. PixVerse V61–15s
  10. Runway Gen-4.5 / Aleph2–10s
  11. Veo 3.14–8s
051015202530

Good for / caveats

Good for

English dialogue, realism-first shorts and ads

Caveats

8 s per generation; Standard tier $0.40 per second

Available in

Veo / Flow (Google)Runwayinvideo AIMorph StudioLuma Dream MachineLTX Studio

FAQ

How much does Veo 3.1 cost?

Gemini API per second: Lite $0.05 (720p) / $0.08 (1080p); Fast $0.10 / $0.12 / $0.30 (4K); Standard $0.40 (720p–1080p) / $0.60 (4K); blocked videos are not charged. Flow: 10 / 20 / 100 credits per Lite / Fast / Quality generation

How long can one Veo 3.1 generation be?

4, 6 or 8 s per generation (8 s at 1080p/4K or with reference images); extension adds 7 s up to 20 times (Veo 3.1 / Fast, 720p) · 720p / 1080p / 4K (no 4K on Lite)

Is Veo 3.1 good for AI short drama?

Good for: English dialogue, realism-first shorts and ads. Caveat: 8 s per generation; Standard tier $0.40 per second.

How do I use Veo 3.1 without coding?

Through platforms that expose it: Veo / Flow (Google), Runway, invideo AI, Morph Studio, Luma Dream Machine, LTX Studio

Sources

Official pages opened while writing; current pricing and features are always as shown on the vendor site.