SVI 2.0 Pro vs Hunyuan Video 1.5

SVI 2.0 Pro and Hunyuan Video 1.5 side by side: specs, capabilities, parameters, and live pricing from the EmpirioLabs catalog.

VITA-Group / EPFL Tencent Video Generation

SVI 2.0 Pro vs Hunyuan Video 1.5 at a glance

SVI 2.0 Pro from VITA-Group / EPFL and Hunyuan Video 1.5 from Tencent are both in the Video Generation category, available through the EmpirioLabs API.

Key differences

  • SVI 2.0 Pro is the newer release (Dec 26, 2025); Hunyuan Video 1.5 was released on Nov 20, 2025.
  • Capabilities listed only for SVI 2.0 Pro: infinite length, character consistency.
  • Capabilities listed only for Hunyuan Video 1.5: 1080p upscale, bilingual.

SVI 2.0 Pro vs Hunyuan Video 1.5: specs

SpecSVI 2.0 ProHunyuan Video 1.5
Model IDsvi-2-0-prohunyuan-video-1-5
AuthorVITA-Group / EPFLTencent
ReleasedDec 26, 2025Nov 20, 2025
Input
Text Image
Text Image
Output
Video
Video
Endpoints
POST /v1/videos/generations
POST /v1/videos/generations
Capabilities
infinite length character consistency
1080p upscale bilingual

SVI 2.0 Pro vs Hunyuan Video 1.5: API pricing

Live rates from the EmpirioLabs catalog for both models. Each rate card always matches what the API charges.

SVI 2.0 Pro vs Hunyuan Video 1.5: API parameters

Request parameters each model lists on EmpirioLabs, with the allowed values or range where one applies. A dash marks a parameter the model does not list.

ParameterSVI 2.0 ProHunyuan Video 1.5
resolution832x480, 480x832, 720x1280, 1280x720 Default: 832x480480p, 720p, 1080p Default: 480p
duration18 to 121.5 Default: 181 to 10 Default: 5
cfg1 to 2 Default: 1-
negative_promptstring Default: vibrant tone, overexposed, static, blurry details, subtitles, style, artwork, painting, picture, still, overall gray, worst quality, low quality, JPEG compression residue, ugly, incomplete, extra fingers, poorly drawn hands, poorly drawn face, deformed, disfigured, malformed limbs, fused fingers, still picture, messy background, three legs, background crowd, walking backwardsstring
t2v_qualityfast, quality Default: quality-
prompt-string
mode-auto, t2v, i2v Default: auto
aspect_ratio-16:9, 9:16, 1:1, 4:3, 3:4 Default: 16:9
cfg_scale-1 to 20 Default: 6
steps-10 to 50 Default: 25
image-string
seed-min 0

SVI 2.0 Pro vs Hunyuan Video 1.5: limits and notes

SVI 2.0 Pro

Videos up to 121.5 seconds at 480p and 40.5 seconds at 720p, with a consistent character identity. Image-to-Video typically yields superior results to text-to-video.

Constraints

  • Generation can take 45+ minutes for long videos
  • For best motion: describe consecutive actions per segment in your prompt

Image formats

  • jpg, jpeg, png, webp, heic, heif, bmp, tiff, tif

Multi-scene mode

  • When describing several scenes in one prompt, lower CFG (1.0-1.3) gives the model more freedom to interpret distinct scene transitions
  • Raise CFG (1.5-2.0) when each scene must follow the prompt literally

Hunyuan Video 1.5

8.3B-parameter Mixture-of-Experts model with strong motion coherence and bilingual prompt understanding.

Constraints

  • 1080p is upscaled from native 720p and limited to 5s duration

Image-to-Video formats

  • jpg, jpeg, png, webp, heic, heif, bmp, tiff, tif

Estimated generation time

  • 480p: ~2 min
  • 720p: ~8 min
  • 1080p: ~20 min

How to call SVI 2.0 Pro and Hunyuan Video 1.5

SVI 2.0 Pro runs through POST /v1/videos/generations. The request returns a job_id right away; poll GET /v1/jobs/{job_id} until the job completes and read the output URLs from the result. Both models are called through the same endpoint. Set model to svi-2-0-pro or hunyuan-video-1-5. Get an API key from the EmpirioLabs dashboard.

cURL: submit the job
curl https://api.empiriolabs.ai/v1/videos/generations \
  -H "Authorization: Bearer $EMPIRIOLABS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "svi-2-0-pro",
    "prompt": "Describe what you want SVI 2.0 Pro to generate."
  }'

SVI 2.0 Pro vs Hunyuan Video 1.5: common questions

What is the difference between SVI 2.0 Pro and Hunyuan Video 1.5?

SVI 2.0 Pro is the newer release (Dec 26, 2025); Hunyuan Video 1.5 was released on Nov 20, 2025. Capabilities listed only for SVI 2.0 Pro: infinite length, character consistency. Capabilities listed only for Hunyuan Video 1.5: 1080p upscale, bilingual. The specs, rate cards, and parameters on this page come from the live EmpirioLabs catalog.

Which is newer, SVI 2.0 Pro or Hunyuan Video 1.5?

SVI 2.0 Pro is the newer release (Dec 26, 2025); Hunyuan Video 1.5 was released on Nov 20, 2025.

Which has the lower rate, SVI 2.0 Pro or Hunyuan Video 1.5?

The two models are priced on different units or tiers, so compare the live rate cards on this page. They always match what the API charges.

Can I switch between SVI 2.0 Pro and Hunyuan Video 1.5 without rebuilding my integration?

Yes. Both models use POST /v1/videos/generations with the same EmpirioLabs API key, so most integrations switch by changing the model value. Check the parameters table on this page first if you rely on a model-specific parameter.

Can I try SVI 2.0 Pro and Hunyuan Video 1.5 in the browser before integrating?

Yes. Open each model in the EmpirioLabs playground and run the same prompt on both, with the parameters the API exposes.

Ready to use better endpoints?

Check out our pricing or reach out if you want your own model deployed on our stack.