{
	"model_id": "topaz/starlight-fast-2",
	"provider_id": "topaz",
	"name": "Starlight Fast 2",
	"description": "Topaz Labs Starlight Fast 2 (slf-2) enhances and upscales source video to 1080p or 4K with faster processing than Starlight Precise. It is designed for video restoration workflows where turnaround time is important.",
	"task": "video-to-video",
	"tags": [
		"Video Enhancement",
		"Upscaling",
		"Restoration",
		"Video-to-Video"
	],
	"context_length": null,
	"max_output_tokens": null,
	"schema_version": "1.0.0",
	"pricing": {
		"Per provider unit": 0.12
	},
	"examples": [
		{
			"name": "Fast Video Enhancement",
			"description": "Quickly enhance the first 121 frames of a source MP4.",
			"input": {
				"end_index": 120,
				"frame_count": 150,
				"frame_rate": 29.97,
				"source_container": "mp4",
				"source_height": 360,
				"source_width": 640,
				"start_index": 0,
				"target_resolution": "1920x1080",
				"upscaling_factor": 2,
				"video_uri": "https://replicate.delivery/pbxt/PetLEVcclEkT5H9A3tYETZyAMT5GE2Sa4m6sQqPDpj8vgHga/animatediff.B572L3lv.mp4"
			},
			"output": {
				"video": "https://examples.aig.cloudflare.com/topaz/starlight-fast-2/fast-video-enhancement.mp4"
			},
			"raw_response": {
				"state": "Completed",
				"result": {
					"video": "https://examples.aig.cloudflare.com/topaz/starlight-fast-2/fast-video-enhancement.mp4"
				},
				"gatewayMetadata": {
					"keySource": "Unified"
				}
			},
			"code_snippets": [
				{
					"label": "typescript",
					"language": "typescript",
					"code": "const response = await env.AI.run(\n  'topaz/starlight-fast-2',\n  {\n    end_index: 120,\n    frame_count: 150,\n    frame_rate: 29.97,\n    source_container: 'mp4',\n    source_height: 360,\n    source_width: 640,\n    start_index: 0,\n    target_resolution: '1920x1080',\n    upscaling_factor: 2,\n    video_uri:\n      'https://replicate.delivery/pbxt/PetLEVcclEkT5H9A3tYETZyAMT5GE2Sa4m6sQqPDpj8vgHga/animatediff.B572L3lv.mp4',\n  },\n)\nconsole.log(response)"
				},
				{
					"label": "curl",
					"language": "bash",
					"code": "curl https://api.cloudflare.com/client/v4/accounts/$CLOUDFLARE_ACCOUNT_ID/ai/run \\\n  --header \"Authorization: Bearer $CLOUDFLARE_API_TOKEN\" \\\n  --header \"Content-Type: application/json\" \\\n  --data '{\n  \"model\": \"topaz/starlight-fast-2\",\n  \"input\": {\n    \"end_index\": 120,\n    \"frame_count\": 150,\n    \"frame_rate\": 29.97,\n    \"source_container\": \"mp4\",\n    \"source_height\": 360,\n    \"source_width\": 640,\n    \"start_index\": 0,\n    \"target_resolution\": \"1920x1080\",\n    \"upscaling_factor\": 2,\n    \"video_uri\": \"https://replicate.delivery/pbxt/PetLEVcclEkT5H9A3tYETZyAMT5GE2Sa4m6sQqPDpj8vgHga/animatediff.B572L3lv.mp4\"\n  }\n}'"
				}
			]
		}
	],
	"default_example": null,
	"code_snippets": [],
	"supports_async": false,
	"zdr": false,
	"zdr_comment": null,
	"external_info": "https://developer.topazlabs.com/",
	"terms": null,
	"cover_image_url": null,
	"metadata": {
		"Max Source Size": "500 MB",
		"Resolutions": "1920x1080, 3840x2160",
		"Segment Rendering": "Start and end frame",
		"Upscaling Factor": "1-8x"
	},
	"request_formats": null,
	"providers": null,
	"provider_details": [
		{
			"id": "topaz",
			"pricing": {
				"units": 0.12
			}
		}
	],
	"banner": null,
	"created_at": "2026-10-12 15:21:38",
	"schema": {
		"input": {
			"$schema": "https://json-schema.org/draft/2020-12/schema",
			"type": "object",
			"properties": {
				"video_uri": {
					"type": "string",
					"format": "uri",
					"description": "HTTPS URI of the source video to enhance"
				},
				"source_container": {
					"type": "string",
					"enum": [
						"3gp",
						"avi",
						"dv",
						"flv",
						"m1v",
						"m2t",
						"m2ts",
						"m2v",
						"m4v",
						"mkv",
						"mov",
						"mp4",
						"mpeg",
						"mpg",
						"mts",
						"mxf",
						"ser",
						"ts",
						"vob",
						"webm",
						"wmv"
					],
					"description": "Container format of the source video"
				},
				"source_width": {
					"type": "integer",
					"exclusiveMinimum": 0,
					"maximum": 9007199254740991,
					"description": "Width of the source video in pixels"
				},
				"source_height": {
					"type": "integer",
					"exclusiveMinimum": 0,
					"maximum": 9007199254740991,
					"description": "Height of the source video in pixels"
				},
				"frame_count": {
					"type": "integer",
					"exclusiveMinimum": 0,
					"maximum": 9007199254740991,
					"description": "Total frame count of the source video (used by Topaz for credit estimation)"
				},
				"frame_rate": {
					"type": "number",
					"exclusiveMinimum": 0,
					"description": "Frame rate of the source video in frames per second (e.g. 29.97)"
				},
				"target_resolution": {
					"default": "1920x1080",
					"description": "Target output resolution",
					"type": "string",
					"enum": [
						"1920x1080",
						"3840x2160"
					]
				},
				"upscaling_factor": {
					"default": 1,
					"description": "Output resolution multiplier relative to the source video",
					"type": "number",
					"minimum": 1,
					"maximum": 8
				},
				"start_index": {
					"default": 0,
					"description": "First source frame to process",
					"type": "integer",
					"minimum": 0,
					"maximum": 9007199254740991
				},
				"end_index": {
					"default": 1000000,
					"description": "Last source frame to process",
					"type": "integer",
					"minimum": 0,
					"maximum": 9007199254740991
				}
			},
			"required": [
				"video_uri",
				"source_container",
				"source_width",
				"source_height",
				"frame_count",
				"frame_rate",
				"target_resolution",
				"upscaling_factor",
				"start_index",
				"end_index"
			],
			"additionalProperties": false
		},
		"output": {
			"$schema": "https://json-schema.org/draft/2020-12/schema",
			"type": "object",
			"properties": {
				"video": {
					"type": "string",
					"format": "uri",
					"description": "URL to the enhanced video"
				}
			},
			"required": [
				"video"
			],
			"additionalProperties": false
		}
	}
}