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Authors and ModelsMiniMax

MiniMax H3 Highspeed

MiniMax H3 Highspeed
MiniMax · Video Generation
POST /v1/videos/generations

Fast 4 to 15 second 768p clips with native stereo audio, from text, a first and last frame, or image, video, and audio references in one request.

At a glance

FieldValue
Model idminimax-h3-highspeed
Model release date-
Input modalitiesText, Image, Video, Audio
Output modalitiesVideo
Context window-
Weight precision-
Featuresvideo_generation, image_to_video, audio_out, audio_in, multimodal
Native inferenceNo
NewYes
Supported endpointsPOST /v1/videos/generations
Alternate model idsminimax/minimax-h3-highspeed, minimax/h3-highspeed

Pricing

ChargeSpecRate
768pper second$0.06
Reference image inputper input image after the first 5$0.03

Example request

curl https://api.empiriolabs.ai/v1/videos/generations \
  -H 'Authorization: Bearer $EMPIRIOLABS_API_KEY' \
  -H 'Content-Type: application/json' \
  -d '{"model": "minimax-h3-highspeed", "prompt": "sunrise over the ocean", "duration": 6}'

Parameters

ParameterTypeRequiredDefaultDescription
promptstringyes-Scene description, up to 7000 characters. Can describe action, camera work, dialogue, sound effects, and on-screen text.
modeenumno"auto"auto: detect from the inputs. t2v: text-to-video. i2v: animate one image as the opening frame. flf: transition from a first frame to a last frame. r2v: reference-to-video from images, videos, and audio. · Allowed: auto, t2v, i2v, flf, r2v
resolutionenumno"768p"Output resolution. · Allowed: 768p
aspect_ratioenumno"adaptive"Output aspect ratio. Adaptive follows the supplied input media. · Allowed: adaptive, 21:9, 16:9, 4:3, 1:1, 3:4, 9:16
durationnumberno6Clip length in seconds, whole numbers only. · Range: 4 – 15
imagestringno-Image URL. One opening frame for image-to-video, or up to 9 reference images for reference-to-video.
last_framestringno-Closing frame image URL. Supplying it selects first and last frame mode.
videostringno-Reference video URL, up to 3 clips of 2 to 15 seconds each.
audiostringno-Reference audio URL, up to 3 clips of 2 to 15 seconds each. Requires an accompanying reference image or video.

Notes

Generates 4 to 15 second clips at 24 fps in 768p, each with a native stereo audio track.

Modes

  • Text to video: prompt only.
  • Image to video: one image becomes the opening frame.
  • First and last frame: supply an opening and a closing image.
  • Reference to video: up to 9 images, 3 videos and 3 audio clips, 12 reference files in total.

Reference media

  • Images 256 to 5760 px per side, aspect ratio between 0.4 and 2.5, up to 30 MB each.
  • Videos 2 to 15 seconds, H.264 or H.265, up to 50 MB each.
  • Audio 2 to 15 seconds, WAV or MP3, up to 15 MB each. Reference audio requires an accompanying image or video reference.
  • Reference video and audio apply to reference-to-video only.
  • Prompts can be up to 7000 characters and may describe dialogue, sound effects, on-screen text, and camera work.

Billing

  • Billed per second of the generated clip.
  • Reference videos and reference audio are not billed.
  • The first 5 reference images are included. Each additional reference image is charged separately.

Machine-readable schema: GET https://api.empiriolabs.ai/v1/models/minimax-h3-highspeed.