Hi - I answer from the OpenSmartRoute documentation: routing, the API, plans and quotas, self-hosting. Ask away, or open a support ticket if you need a person.
Grounded in the docs - follow a source before acting on it.
Muse Spark 1.3 - Model - OpenSmartRoute
Modelv1.0.0
Muse Spark 1.3
Muse Spark 1.3 is a multimodal reasoning model from Meta for long-running agentic, multi-agent, and coding workflows. It is designed to keep track of information across extended tasks, work through...
Reference model card from the OpenRouter listing - model meta/muse-spark-1.3. Prices are per million tokens as listed; ratings and installs below are from this marketplace.
Muse Spark 1.3
Muse Spark 1.3 is a multimodal reasoning model from Meta for long-running agentic, multi-agent, and coding workflows. It is designed to keep track of information across extended tasks, work through...
Facts
Vendor
Meta
Context window
1,048,576 tokens
Max output
943,718 tokens
Input price
$1.25 / 1M tokens
Output price
$4.25 / 1M tokens
Input
text, image, video, file, audio
Output
text
Tool calling
yes
Structured outputs
yes
Reasoning
yes
Open weights
no
Endpoint: https://openrouter.ai/api/v1 (OpenAI-compatible), model meta/muse-spark-1.3
Use it
Copy one of these into your project. Installing also returns the manifest and these snippets.
# after Install: the listing is in your workspace's routing pool - nothing else to configure
curl -s -X POST https://api.opensmartroute.ai/api/v1/route -H 'Authorization: Bearer $OSR_API_KEY' -H 'Content-Type: application/json' -d '{"text": "...", "plan": true}'
# or pin it on the OpenAI-compatible endpoint: {"model": "model-meta-muse-spark-1-3", ...}
Manifest
An Open Capability Manifest: the router reads it to know what this does, what it costs and when to pick it.
model-meta-muse-spark-1-3.ocm.jsonjson
{
"ocm": "1",
"id": "model-meta-muse-spark-1-3",
"kind": "llm",
"name": "Muse Spark 1.3",
"description": "Muse Spark 1.3 is a multimodal reasoning model from Meta for long-running agentic, multi-agent, and coding workflows. It is designed to keep track of information across extended tasks, work through...",
"publisher": "Meta",
"version": "1.0.0",
"capabilities": {
"domains": [
"general"
],
"tags": [
"llm",
"meta",
"openrouter",
"reasoning",
"tool-calling",
"image",
"video",
"file",
"audio",
"models"
],
"languages": [
"en"
],
"modalities": [
"text",
"image",
"video",
"file",
"audio"
],
"supports_tools": true,
"supports_streaming": true,
"context_window": 1048576
},
"quality_prior": 0.6,
"examples": [
"Muse Spark 1.3 is a multimodal reasoning model from Meta for long-running agentic, multi-agent, and coding workflows. It is designed to keep track of information across extended tasks, work through..."
],
"primary": false,
"metadata": {
"source": {
"provider": "models",
"ref": "1788378359",
"url": "https://openrouter.ai/meta/muse-spark-1.3",
"key": "meta/muse-spark-1.3",
"catalogue": "https://openrouter.ai/api/v1"
},
"model": "meta/muse-spark-1.3",
"pricing": {
"input_usd_per_1m": 1.25,
"output_usd_per_1m": 4.25,
"cache_read_usd_per_1m": 0.15
},
"max_output_tokens": 943718,
"output_modalities": [
"text"
],
"reasoning": true,
"created": 1788378359
},
"cost": {
"usd_per_1k_tokens": 0.00275
},
"endpoints": [
{
"protocol": "openai",
"url": "https://openrouter.ai/api/v1"
}
]
}
Fetch it by URL: GET /api/v1/registry/model-meta-muse-spark-1-3/manifest?version=1.0.0
Reviews
Star ratings from people who tried it. One review per account; edit yours any time.
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