How much does Veo 3.1 Lite cost?

On the Respan gateway, Veo 3.1 Lite costs from $0.00 per 1M input tokens and $0.03 per 1M output tokens on Google Vertex AI, after gateway discounts. Averaged across its 4 routes from 1 provider, it costs $0.00 per 1M input tokens and $0.05 per 1M output tokens.

Which providers serve Veo 3.1 Lite on Respan?

Veo 3.1 Lite is served by Google Vertex AI through 4 routes. Google Vertex AI requires your own provider API key (BYOK).

What is Veo 3.1 Lite's context window?

Veo 3.1 Lite accepts up to 4K tokens of context on its largest provider route.

How do I use Veo 3.1 Lite with the Respan gateway?

Point any OpenAI-compatible SDK at https://api.respan.ai/api/ with your Respan API key and set the model to "veo-3.1-lite". To set it up with a coding agent, copy the agent setup prompt at the top of this page.

Veo 3.1 Lite

Q: What is Veo 3.1 Lite?

Veo 3.1 Lite is a model from Google Gemini AI, released on Mar 31, 2026. Veo 3.1 Lite is the lowest-cost tier of Google's Veo 3.1 video generation model. It creates short clips with natively generated audio at 720p or 1080p from a text prompt or a starting image.

Veo 3.1 Lite is the lowest-cost tier of Google's Veo 3.1 video generation model. It creates short clips with natively generated audio at 720p or 1080p from a text prompt or a starting image.

Input / output, from: $0.00 / $0.03 per 1M
Context: 4K tokens
Released: Mar 31, 2026

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Agent setup

Paste into Claude Code, Cursor, or Codex

Help me set up the Respan gateway: fetch and follow https://www.respan.ai/docs/agent-setup.md. Use model "veo-3.1-lite".

from openai import OpenAI

client = OpenAI(

    base_url="https://api.respan.ai/api/",

    api_key="YOUR_RESPAN_API_KEY",

)

response = client.chat.completions.create(

    model="veo-3.1-lite",

    messages=[{"role": "user", "content": "Hello!"}],

)

print(response.choices[0].message.content)

import OpenAI from "openai";

const client = new OpenAI({

  baseURL: "https://api.respan.ai/api/",

  apiKey: "YOUR_RESPAN_API_KEY",

});

const response = await client.chat.completions.create({

  model: "veo-3.1-lite",

  messages: [{ role: "user", content: "Hello!" }],

});

console.log(response.choices[0].message.content);

curl https://api.respan.ai/api/chat/completions \

  -H "Authorization: Bearer YOUR_RESPAN_API_KEY" \

  -H "Content-Type: application/json" \

  -d '{

    "model": "veo-3.1-lite",

    "messages": [{"role": "user", "content": "Hello!"}]

}'

Read docs

Providers

4 routes from 1 provider, cheapest first, priced per 1M tokens after gateway discounts. BYOK routes use your own key.

Provider	Context	Input	Output	Cache read
Google Vertex AIBYOK only`vertex_ai/veo-3.1-lite-generate-001:720p-silent`	4K	$0.00/M	$0.03/M	$0.00/M
Google Vertex AIBYOK only`vertex_ai/veo-3.1-lite-generate-001`	4K	$0.00/M	$0.05/M	$0.00/M
Google Vertex AIBYOK only`vertex_ai/veo-3.1-lite-generate-001:1080p-silent`	4K	$0.00/M	$0.05/M	$0.00/M
Google Vertex AIBYOK only`vertex_ai/veo-3.1-lite-generate-001:1080p`	4K	$0.00/M	$0.08/M	$0.00/M