Veo 3.1 vs Veo 3 Fast

Veo 3.1 leads on physics (+13.8), with a measurable advantage over Veo 3 Fast. The clearest separation is on Physics (+13.9). Across the other sub-metrics in this group, the gap is smaller but generally consistent with the overall direction. If physics is a priority for your prompts, Veo 3.1 is the safer pick here.

Veo 3.1 leads on prompt and logic (+8.7), with a measurable advantage over Veo 3 Fast. The clearest separation is on Prompt Adherence (+19.0). Across the other sub-metrics in this group, the gap is smaller but generally consistent with the overall direction. If prompt and logic is a priority for your prompts, Veo 3.1 is the safer pick here.

Veo 3.1 and Veo 3 Fast are effectively tied on aesthetics, with small tradeoffs across the metrics. The biggest separation is on Cinematography (1.4), but it's not decisive overall. In practice, you should decide based on the specific sub-metric you care about most, since neither model consistently dominates this slice of the rubric.

Veo 3.1 leads on animation (+5.4), with a measurable advantage over Veo 3 Fast. The clearest separation is on 2D Animation (+8.3). Across the other sub-metrics in this group, the gap is smaller but generally consistent with the overall direction. If animation is a priority for your prompts, Veo 3.1 is the safer pick here.

Veo 3.1 leads on humans (+7.9), with a measurable advantage over Veo 3 Fast. The clearest separation is on Hands (+31.6). Across the other sub-metrics in this group, the gap is smaller but generally consistent with the overall direction. If humans is a priority for your prompts, Veo 3.1 is the safer pick here.

Veo 3.1 leads on objects and animals (+14.9), with a measurable advantage over Veo 3 Fast. The clearest separation is on Animals (+22.0). Across the other sub-metrics in this group, the gap is smaller but generally consistent with the overall direction. If objects and animals is a priority for your prompts, Veo 3.1 is the safer pick here.

Veo 3 Fast leads on text (+5.5), with a measurable advantage over Veo 3.1. The clearest separation is on Text Fidelity (+5.5). Across the other sub-metrics in this group, the gap is smaller but generally consistent with the overall direction. If text is a priority for your prompts, Veo 3 Fast is the safer pick here.

Veo 3 Fast leads on cost and speed (+115.4), with a measurable advantage over Veo 3.1. The clearest separation is on Latency (+340.0). Across the other sub-metrics in this group, the gap is smaller but generally consistent with the overall direction. If cost and speed is a priority for your prompts, Veo 3 Fast is the safer pick here.