What is Veo 3.1?
Google's text-to-video AI model. Veo 3.1 Fast costs $0.15 per second on Vertex AI ($1.20 per 8-second clip) and produces phoneme-accurate lip sync, native multilingual support across 30+ languages, and the highest UGC ad-grade output among 2026 video models for talking-head content.
Veo 3.1 ships in two tiers: Fast ($0.15/s, optimized for volume hook testing) and Quality ($0.40/s, used for proven winners that scale spend). The model's lip-sync accuracy is the single biggest reason UGC Vids AI uses it as the talking-head backbone — every other current open or commercial model has visible phoneme drift on consonant-heavy words. For multilingual UGC, Veo 3.1 generates native lip-sync from one English script across 30+ languages in a single generation, replacing what used to require finding and managing native-speaker creators per market.
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