ModelInfo
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Solar Pro 3

Mixture-of-experts Solar model (102B total parameters); fully deprecated on 2026-10-30 (KST), migrate to Solar Pro 4.

Upstagesolar-pro32026-03-23Report incorrect data

Specs

Context
128K
Max output
—
Input price
$0.15/ 1M tokens
Output price
$0.6/ 1M tokens
Released
2026-03-23

Context

Context window
128K
Max input
—
Max output
—

Pricing · USD / 1M tokens

Input
$0.15
Output
$0.6
Cache read
$0.015
Cache write
—

Modalities

Input
Text
Output
Text

API

API types
chat

Reasoning

Reasoning
Yes
Levels
noneminimallowmediumhighxhighmax

Info

Status
Deprecated
Released
2026-03-23
Knowledge cutoff
2025-07

Features

Confirmed
toolsstructured_outputstreaming
Source · official docsVerified 2026-10-11

How to call

1 provider

upstagemodel = solar-pro3reasoning = reasoning_effort

chat
POSThttps://api.upstage.ai/v1/chat/completions

JSON

Standard format
solar-pro3.json
{
  "id": "solar-pro3",
  "object": "model",
  "created": 1774224000,
  "owned_by": "upstage",
  "name": "Solar Pro 3",
  "api": {
    "types": [
      "chat"
    ]
  },
  "limits": {
    "context": 128000,
    "input": null,
    "output": null
  },
  "modalities": {
    "input": [
      "text"
    ],
    "output": [
      "text"
    ]
  },
  "reasoning": {
    "supported": true,
    "efforts": [
      "none",
      "minimal",
      "low",
      "medium",
      "high",
      "xhigh",
      "max"
    ]
  },
  "pricing": {
    "currency": "USD",
    "unit": "1M_tokens",
    "input": 0.15,
    "output": 0.6,
    "cache_read": 0.015,
    "cache_write": null
  },
  "features": [
    "tools",
    "structured_output",
    "streaming"
  ],
  "info": {
    "status": "deprecated",
    "release_date": "2026-03-23",
    "knowledge_cutoff": "2025-07",
    "description": "Mixture-of-experts Solar model (102B total parameters); fully deprecated on 2026-10-30 (KST), migrate to Solar Pro 4.",
    "docs": "https://console.upstage.ai/docs/models/solar-pro-3",
    "verified_at": "2026-10-11"
  }
}

Official sources

5