Which should you choose?
Pick Veo 3.1 Fast for narrative clips where native audio matters. Pick Veo 3.1 for premium audiovisual output and cinematic prompts. Use the same prompt brief, aspect ratio and acceptance rubric across both.
Cost at production volume
At 1,000 ten-second generations, Veo 3.1 Fast is about $1500 and Veo 3.1 is about $4000, before retries and ancillary fees.
Method
We prioritize first-party API pricing and explicitly label resolution and audio. Speed descriptions are directional unless the provider publishes a repeatable benchmark.