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amazon-bedrock/video (AWS Bedrock Video Generation)
You can run this example with:
npx promptfoo@latest init --example amazon-bedrock/video
cd amazon-bedrock/video
Video generation examples using AWS Bedrock's async invoke API.
Available Models
| Model | Config | Region | Duration |
|---|---|---|---|
| Amazon Nova Reel | promptfooconfig.nova-reel.yaml |
us-east-1 | 6s - 2min |
| Luma Ray 2 | promptfooconfig.luma-ray.yaml |
us-west-2 only | 5s or 9s |
Prerequisites
Video generation requires additional AWS setup beyond standard Bedrock access.
1. Enable Model Access
Visit the AWS Bedrock Model Access page and enable:
- Nova Reel:
amazon.nova-reel-v1:1(us-east-1) - Luma Ray 2:
luma.ray-v2:0(us-west-2)
2. Create S3 Bucket
Video outputs are written to S3. Create a bucket in the same region as your model:
# For Nova Reel (us-east-1)
aws s3 mb s3://your-bucket-nova-reel --region us-east-1
# For Luma Ray 2 (us-west-2)
aws s3 mb s3://your-bucket-luma-ray --region us-west-2
3. Configure IAM Permissions
{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": ["bedrock:InvokeModel", "bedrock:StartAsyncInvoke", "bedrock:GetAsyncInvoke"],
"Resource": [
"arn:aws:bedrock:*:*:model/amazon.nova-reel-v1:1",
"arn:aws:bedrock:*:*:model/luma.ray-v2:0"
]
},
{
"Effect": "Allow",
"Action": ["s3:PutObject", "s3:GetObject"],
"Resource": "arn:aws:s3:::your-bucket/*"
}
]
}
4. Install Dependencies
npm install @aws-sdk/client-bedrock-runtime @aws-sdk/client-s3
Usage
Update s3OutputUri in the config file, then run:
# Nova Reel
npx promptfoo@latest eval -c promptfooconfig.nova-reel.yaml
# Luma Ray 2
npx promptfoo@latest eval -c promptfooconfig.luma-ray.yaml
Model Comparison
Amazon Nova Reel
- Best for: Longer videos, multi-shot narratives
- Resolution: 1280x720 @ 24 FPS
- Duration: 6 seconds (single shot) or 12-120 seconds (multi-shot)
- Features: TEXT_VIDEO, MULTI_SHOT_AUTOMATED, MULTI_SHOT_MANUAL modes
- Typical generation time: ~90 seconds for 6s video
Luma Ray 2
- Best for: High-quality short clips, image-to-video
- Resolution: 540p or 720p
- Aspect ratios: 1:1, 16:9, 9:16, 4:3, 3:4, 21:9, 9:21
- Duration: 5 or 9 seconds
- Features: Start/end frame keyframes, loop mode
- Typical generation time: ~2-3 minutes
Configuration Options
Nova Reel
config:
region: us-east-1
s3OutputUri: s3://your-bucket/outputs/
durationSeconds: 6 # 6 for single, 12-120 for multi-shot
taskType: TEXT_VIDEO # or MULTI_SHOT_AUTOMATED, MULTI_SHOT_MANUAL
seed: 12345 # Optional, for reproducibility
image: file://./start-frame.jpg # Optional, for image-to-video
Luma Ray 2
config:
region: us-west-2
s3OutputUri: s3://your-bucket/outputs/
duration: '5s' # or '9s'
resolution: '720p' # or '540p'
aspectRatio: '16:9'
loop: false
startImage: file://./start.jpg # Optional
endImage: file://./end.jpg # Optional