Gemini

Veo 3.1 Fast

GooglePer Request
Alias:veo_3_1-fast
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Compare veo_3_1-fast API pricing, supported endpoints, capabilities and access options on Modelsell.

文生视频图生视频声画同步首尾帧
Starting price
Per Request
Context
—
Maximum input window
Modalities
→

Pricing by Supplier

Google AI Studio
-50%
谷歌官方接口
Price$0.1$0.05/ request
Google Vertex
-30%
谷歌官方接口
Price$0.1$0.07/ request
标准按次
图片音频视频等多模态按次计费
Price$0.1/ request

Capabilities / Supported modalities

Function callingToolsJSON modeStructured outputVision
Input
Output

Provider & data privacy

Provider
GoogleDocs
Tokenizer
SentencePiece (Gemini)
License
Proprietary (commercial)Proprietary
Data retention71 daysNot used for upstream training by default

Performance

Benchmarks

Scores on standardized evaluations. Higher percentages are better — and rank percentile shows

Metrics sourced fromArtificial Analysis 2026-09-30·Veo 3.1 Fast

This model is not included in the current benchmark snapshot.

Missing models or measurements are not zero scores.

Benchmark charts preserve the source model selection and reasoning settings. Missing models or measurements are not zero scores, and benchmark cost or speed is not this site’s service commitment.

About Veo 3.1 Fast

Veo 3.1 Fast 偏重生成效率,适合在短片制作前期试镜头、比较节奏与检查声画想法。它能从文字或图片引导出发生成带原生声音的片段,让你看到镜头推进、主体动作和环境声音放在一起的效果,适用于广告草案、活动预热和社交视频素材。

先验证最重要的一个想法

如果要拍一段饮品广告,可以先确认冰块落入杯中是否有吸引力,再决定镜头如何靠近、要不要加对白。Fast 适合这样的反复调整:同一个场景换一个机位,同一句台词换一种语气,或者比较有声与无声的表达。每次只改变一个重点,才容易判断究竟是哪项要求影响了结果。

图片可以帮助确定商品或人物的视觉起点,文字则负责接下来发生什么。动作、运镜和环境变化最好围绕主体展开,不要让短镜头同时完成多个复杂任务。需要声音时,说明冰块碰撞、液体流动或人物讲话等具体来源,让它与画面中的动作相对应。

它适合快速创意验证,也能用于制作短片素材。人物口型、手部接触、产品小字和声音细节仍要仔细检查。Fast 的价值在于更方便试错;正式发布前,仍应根据实际结果选择最合适的镜头,并把多个片段的色调、音量与节奏统一起来。

Use cases and prompting

先试一段冰饮镜头

透明玻璃杯放在浅蓝色桌面上,冰块缓慢落入杯中,随后淡黄色气泡饮料沿杯壁倒入。镜头固定近景,侧光照亮气泡和杯壁水珠。声音突出冰块碰撞与倒饮料的细响,没有对白,没有字幕,没有背景音乐。

先检查冰块和液体是否自然,再单独尝试缓慢推近的版本。

Fast 最适合哪一步? 需要比较动作、机位和气氛的创意试拍阶段。

怎样比较两个版本? 保留场景与主体,只改镜头或声音的一项要求。

短片有明显不自然的动作怎么办? 简化动作,减少同时发生的事件,先把关键瞬间做清楚。

API access

API documentation

veo_3_1-fast

Use the linked documentation for model-specific request parameters and examples.

Authentication

All requests must include Authorization: Bearer <TOKEN> header. Anthropic-formatted endpoints accept the x-api-key header instead.

Generate tokens from the Tokens page; you can scope them to specific models, groups, IPs, and rate-limits.

Rate limits

SupplierRPMTPMRPD
Google AI StudioUnlimitedUnlimitedUnlimited
Google VertexUnlimitedUnlimitedUnlimited
标准按次UnlimitedUnlimitedUnlimited

No restriction

Frequently asked questions about veo_3_1-fast

What is veo_3_1-fast?

Compare veo_3_1-fast API pricing, supported endpoints, capabilities and access options on Modelsell.

How do I call veo_3_1-fast?

Create an API key with access to veo_3_1-fast, then use the exact model ID and a supported endpoint from the API access section. Request fields depend on the selected endpoint.

How is veo_3_1-fast priced?

Pricing depends on the selected provider group and the model billing unit. The current input, output, request, or media prices are shown on this page before sign-up.

How should I evaluate veo_3_1-fast for my project?

Start with the use cases and prompting guidance on this page, then evaluate the model with representative inputs from your project.