Solar Pro 4

Name: Solar Pro 4
Author: Upstage

Solar Pro 4 is Upstage's cost-efficient large language model, featuring a 524K context window. It is built for long-horizon tasks and agentic workflows, with strong capabilities in office productivity

by Upstage(0) 0 installs

Free

Free account. Installing gives you the manifest plus copy-paste snippets.

See reviews

About

Reference model card from the OpenRouter listing - model upstage/solar-pro4. Prices are per million tokens as listed; ratings and installs below are from this marketplace.

Solar Pro 4

Facts


Vendor	Upstage
Context window	524,288 tokens
Max output	131,072 tokens
Input price	$0.09 / 1M tokens
Output price	$0.36 / 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-pro4

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-pro4", ...}

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-pro4.ocm.jsonjson

{
  "ocm": "1",
  "id": "model-upstage-solar-pro4",
  "kind": "llm",
  "name": "Solar Pro 4",
  "description": "Solar Pro 4 is Upstage's cost-efficient large language model, featuring a 524K context window. It is built for long-horizon tasks and agentic workflows, with strong capabilities in office productivity, document-intensive...",
  "publisher": "Upstage",
  "version": "1.0.0",
  "capabilities": {
    "domains": [
      "general"
    ],
    "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 Pro 4 is Upstage's cost-efficient large language model, featuring a 524K context window. It is built for long-horizon tasks and agentic workflows, with strong capabilities in office productivity, document-intensive..."
  ],
  "primary": false,
  "metadata": {
    "source": {
      "provider": "models",
      "ref": "1786371636",
      "url": "https://openrouter.ai/upstage/solar-pro4",
      "key": "upstage/solar-pro4",
      "catalogue": "https://openrouter.ai/api/v1"
    },
    "model": "upstage/solar-pro4",
    "pricing": {
      "input_usd_per_1m": 0.09,
      "output_usd_per_1m": 0.36,
      "cache_read_usd_per_1m": 0.018
    },
    "max_output_tokens": 131072,
    "output_modalities": [
      "text"
    ],
    "reasoning": true,
    "created": 1786371636,
    "benchmarks": {
      "coding_index": 52.7
    }
  },
  "cost": {
    "usd_per_1k_tokens": 0.000225
  },
  "endpoints": [
    {
      "protocol": "openai",
      "url": "https://openrouter.ai/api/v1"
    }
  ]
}

Fetch it by URL: GET /api/v1/registry/model-upstage-solar-pro4/manifest?version=1.0.0

About

Solar Pro 4

Facts

Use it

Manifest

Reviews