---

name: veo3-1-first-last-frame-to-video-fast description: "Veo 3.1 | First Last Frame to Video | Fast. Quickly generate videos from first and last frames using Veo 3.1 Fast. Triggers: veo, first last frame, fast video, frame interpolation, veo fast" allowed-tools: Bash(curl *), WebFetch

Veo 3.1 | First Last Frame to Video | Fast

Quickly generate videos by specifying first and last frame images using the Veo 3.1 Fast model. Creates smooth transitions with optional audio, optimized for speed.

Quick Start

Requires an each::labs API key. Get one at eachlabs.ai.

curl -X POST https://api.eachlabs.ai/v1/prediction \
  -H "Content-Type: application/json" \
  -H "X-API-Key: $EACHLABS_API_KEY" \
  -d '{
    "model": "veo3-1-first-last-frame-to-video-fast",
    "version": "0.0.1",
    "input": {
      "first_frame_url": "https://example.com/closed-flower.jpg",
      "last_frame_url": "https://example.com/open-flower.jpg",
      "prompt": "A flower blooms open in a time-lapse, petals unfurling gracefully",
      "duration": "8",
      "resolution": "720p",
      "generate_audio": true
    }
  }'

Parameters

Parameter	Type	Default	Description
aspect_ratio	string	16:9	Aspect ratio of the generated video. enum: 9:16, 16:9
auto_fix	boolean	false	Whether to automatically fix prompts that fail content policy
duration	string	8	The duration of the generated video in seconds. enum: 4, 6, 8
first_frame_url	string		URL of the first frame of the video
generate_audio	boolean	true	Whether to generate audio. If false, 33% less credits used
last_frame_url	string		URL of the last frame of the video
prompt	string		The text prompt describing the video
resolution	string	720p	Resolution of the generated video. enum: 720p, 1080p

Examples

Short transition clip:

curl -X POST https://api.eachlabs.ai/v1/prediction \
  -H "Content-Type: application/json" \
  -H "X-API-Key: $EACHLABS_API_KEY" \
  -d '{
    "model": "veo3-1-first-last-frame-to-video-fast",
    "version": "0.0.1",
    "input": {
      "first_frame_url": "https://example.com/day-city.jpg",
      "last_frame_url": "https://example.com/night-city.jpg",
      "prompt": "City transitions from day to night as lights turn on one by one",
      "duration": "4",
      "resolution": "1080p",
      "generate_audio": true
    }
  }'

Vertical format transformation:

curl -X POST https://api.eachlabs.ai/v1/prediction \
  -H "Content-Type: application/json" \
  -H "X-API-Key: $EACHLABS_API_KEY" \
  -d '{
    "model": "veo3-1-first-last-frame-to-video-fast",
    "version": "0.0.1",
    "input": {
      "first_frame_url": "https://example.com/before-makeover.jpg",
      "last_frame_url": "https://example.com/after-makeover.jpg",
      "prompt": "Dramatic makeover transformation reveal",
      "duration": "6",
      "resolution": "720p",
      "aspect_ratio": "9:16",
      "generate_audio": false
    }
  }'

Related Models

• veo3-1-first-last-frame-to-video - Standard quality first/last frame to video
• veo3-1-image-to-video-fast - Fast image to video
• veo3-1-text-to-video-fast - Fast text to video

Documentation

• each::labs Docs
• API Reference