Models

Skytells provides access to a diverse and ever-expanding catalog of AI models spanning image generation, video synthesis, audio and music creation, lip-sync, upscaling, and multimodal capabilities — built by Skytells and leading partners including Google, OpenAI, Black Forest Labs, NVIDIA, Alibaba, and more.

Browse all available models, their capabilities, and pricing on the Model Explorer, or use the API to discover them programmatically.

GET/v1/models

Available Models

This endpoint allows you to retrieve a paginated list of all models. By default, a maximum of ten models are shown per page.

This endpoint is public and useful for getting the list of models and their parameters, You may also use it to check the status of the model, if it is operational or not.

Optional attributes

Name
limit
Type
integer
Description
Limit the number of models returned.
Name
offset
Type
integer
Description
Offset the returned models.
Name
vendor
Type
object
Description
The vendor of the model.
Name
type
Type
string
Description
The type of the model.
Name
status
Type
string
Description
The status of the model. operational or offline.

Rate Limits

This endpoint is public and does not count towards your rate limits. However, you may still be rate limited by the public API limiter.

Request

GET

/v1/models

curl -G https://api.skytells.ai/v1/models \
  -H "x-api-key: {api_key}" \
  -d limit=10

Response

{
  "has_more": false,
  "models": [
    {
      "name": "TrueFusion",
      "description": "TrueFusion Standard",
      "namespace": "truefusion",
      "type": "image",
      "privacy": "public",
      "vendor": {
        "name": "Skytells",
        "description": "Skytells is a cutting-edge AI company at the forefront of technological innovation. With a mission to transform industries and empower businesses.",
        "image_url": "IMAGE_URL",
        "verified": true,
        "slug": "skytells",
        "metadata": null
      },
      "billable": true,
      "pricing": {
        "amount": 0.003,
        "currency": "USD",
        "unit": "image"
      },
      "status": "operational"
    }
  ]
}

GET/v1/models/{slug}

Get a model

Retrieve a single model by its slug (namespace). Use the fields query parameter to include the model's input and output schemas.

Required attributes

Name
slug
Type
string
Description
The model slug / namespace (e.g. truefusion-x, flux-pro, beatfusion-2.0).

Optional query parameters

Name
fields
Type
string
Description
Comma-separated list of extra fields to include: input_schema, output_schema.

The input_schema and output_schema fields are omitted by default to reduce payload size. Pass ?fields=input_schema to include them.

Errors

Name
MODEL_NOT_FOUND
Type
404
Description
Model slug does not exist.
Name
UNAUTHORIZED
Type
401
Description
API key missing or invalid.

Request

GET

/v1/models/{slug}

curl https://api.skytells.ai/v1/models/truefusion-x \
  -H "x-api-key: {api_key}"

Response

{
  "name": "TrueFusion X",
  "description": "Ultra Fast, Ultra High-Resolution - More Pixels in Every Image.",
  "namespace": "truefusion-x",
  "type": "image",
  "privacy": "public",
  "img_url": null,
  "vendor": {
    "name": "Skytells",
    "description": "Skytells is a cutting-edge AI company at the forefront of technological innovation. With a mission to transform industries and empower businesses.",
    "image_url": "https://avatars.githubusercontent.com/u/47755380?s=200&v=4",
    "verified": true,
    "slug": "skytells",
    "metadata": null
  },
  "billable": true,
  "pricing": {
    "amount": 0.1,
    "currency": "USD",
    "unit": "image"
  },
  "capabilities": [
    "image-to-image",
    "text-to-image",
    "partner",
    "quality"
  ],
  "metadata": {
    "edge_compatible": false,
    "openai_compatible": false,
    "cold_boot": false
  },
  "status": "operational"
}

input_schema

{
  "type": "object",
  "title": "Input",
  "required": ["prompt"],
  "properties": {
    "prompt": {
      "type": "string",
      "title": "Prompt",
      "description": "A text description of the image you want to generate"
    },
    "image": {
      "type": "array",
      "items": { "type": "string", "format": "uri" },
      "title": "Reference Images"
    },
    "quality": {
      "enum": ["low", "medium", "high"],
      "type": "string",
      "default": "medium"
    },
    "n": {
      "type": "number",
      "title": "Images",
      "default": 1
    },
    "size": {
      "enum": ["1024x1024", "768x1152", "1152x768", "1792x1024", "1920x822"],
      "type": "string",
      "default": "1024x1024"
    },
    "output_format": {
      "enum": ["jpg", "png"],
      "type": "string",
      "default": "jpg"
    }
  }
}

TrueFusion

TrueFusion is a model that can generate images from text with a focus on realism and detail. To learn more about the TrueFusion family, please refer to the TrueFusion Model Card.

The TrueFusion model for image-generation is available in four variants:

TrueFusion: API name truefusion
TrueFusion Pro: API name truefusion-pro
TrueFusion Max: API name truefusion-max
TrueFusion Pano: API name truefusion-pano

While the TrueFusion models for videos are available in 2 variants:

TrueFusion Video: API name truefusion-video
TrueFusion Video Pro: API name truefusion-video-pro

Each variant has different parameters, inference time, and capabilities.

Model	Cost	Inference Time	Namespaces	Resolution
TrueFusion	$0.03 per image	~10 - 60 seconds	`truefusion`	1MP
TrueFusion Pro	$0.05 per image	~4 - 38 seconds	`truefusion-pro`	2MP
TrueFusion Max	$0.08 per image	~2 - 18 seconds	`truefusion-max`	4MP
TrueFusion Pano	$0.03 per image	~10 - 60 seconds	`truefusion-pano`	2MP
TrueFusion Video	$0.112 per second	~1 - 6 minutes	`truefusion-video`	720p
TrueFusion Video Pro	$0.196 per second	~1 - 5 minutes	`truefusion-video-pro`	1080p

Inference time is dependent on many factors, including the complexity of the prompt, the number of images, steps, and the size and aspect ratio of the image. However, Skytells runs all models on a custom-tuned H100 GPU, so the inference time is the same for all models.

You may reduce your billing costs by reducing the number of images, steps, and the size and aspect ratio of the image.

Parameters

Parameter	TrueFusion	TrueFusion Pro	TrueFusion Max	TrueFusion Pano
`prompt`	✓	✓	✓	✓
`width`	✓	✓	✓	✓
`height`	✓	✓	✓	✓
`num_inference_steps`	✓	✓	✓	✓
`guidance_scale`	✓	✓	✓	✓
`seed`	✓	✓	✓	✓
`num_images`		✓	✓	✓
`output_format`		✓	✓	✓
`output_quality`		✓	✓	✓

Model Catalog

Skytells offers a growing catalog of AI models across image, video, audio, and multimodal domains. Models are continuously updated with new capabilities, improved quality, and optimized pricing.

Each model has its own input schema, output format, and pricing structure. Use the GET /v1/models endpoint to programmatically discover available models, or GET /v1/models/{slug}?fields=input_schema to inspect a specific model's parameters.

For the latest models, pricing, and capabilities, visit the Model Explorer.

To learn how to integrate Skytells models into your applications and empower your development workflow, visit Skytells Learn.