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.
Solar Mini 4 - Model - OpenSmartRoute
Modelv1.0.0
Solar Mini 4
Solar Mini 4 is Upstage's compact, cost-efficient language model, a 35B-parameter mixture-of-experts with 3B active parameters and a 524K context window.
Reference model card from the OpenRouter listing - model upstage/solar-mini4. Prices are per million tokens as listed; ratings and installs below are from this marketplace.
Solar Mini 4
Solar Mini 4 is Upstage's compact, cost-efficient language model, a 35B-parameter mixture-of-experts with 3B active parameters and a 524K context window. It is built for agentic use cases where response...
Facts
Vendor
Upstage
Context window
524,288 tokens
Max output
131,072 tokens
Input price
$0.05 / 1M tokens
Output price
$0.20 / 1M tokens
Input
text
Output
text
Tool calling
yes
Structured outputs
yes
Reasoning
yes
Open weights
no
Endpoint: https://openrouter.ai/api/v1 (OpenAI-compatible), model upstage/solar-mini4
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-upstage-solar-mini4", ...}
Manifest
An Open Capability Manifest: the router reads it to know what this does, what it costs and when to pick it.
model-upstage-solar-mini4.ocm.jsonjson
{
"ocm": "1",
"id": "model-upstage-solar-mini4",
"kind": "llm",
"name": "Solar Mini 4",
"description": "Solar Mini 4 is Upstage's compact, cost-efficient language model, a 35B-parameter mixture-of-experts with 3B active parameters and a 524K context window. It is built for agentic use cases where response...",
"publisher": "Upstage",
"version": "1.0.0",
"capabilities": {
"domains": [
"coding",
"math"
],
"tags": [
"llm",
"upstage",
"openrouter",
"reasoning",
"tool-calling",
"models"
],
"languages": [
"en"
],
"modalities": [
"text"
],
"supports_tools": true,
"supports_streaming": true,
"context_window": 524288
},
"quality_prior": 0.6,
"examples": [
"Solar Mini 4 is Upstage's compact, cost-efficient language model, a 35B-parameter mixture-of-experts with 3B active parameters and a 524K context window. It is built for agentic use cases where response..."
],
"primary": false,
"metadata": {
"source": {
"provider": "models",
"ref": "1790160358",
"url": "https://openrouter.ai/upstage/solar-mini4",
"key": "upstage/solar-mini4",
"catalogue": "https://openrouter.ai/api/v1"
},
"model": "upstage/solar-mini4",
"pricing": {
"input_usd_per_1m": 0.05,
"output_usd_per_1m": 0.2,
"cache_read_usd_per_1m": 0.005
},
"max_output_tokens": 131072,
"output_modalities": [
"text"
],
"reasoning": true,
"created": 1790160358
},
"cost": {
"usd_per_1k_tokens": 0.000125
},
"endpoints": [
{
"protocol": "openai",
"url": "https://openrouter.ai/api/v1"
}
]
}
Fetch it by URL: GET /api/v1/registry/model-upstage-solar-mini4/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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