Textby Upstage

Solar Pro 4

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...

  • By price it is in the cheaper half of the 347 text models GenMagic runs (91st cheapest).
  • It scores 28.2 on the Artificial Analysis Intelligence Index, 46th of the 120 text models with a score.
  • It has scores on 18 public benchmarks, listed below with their sources.
  • It was listed on Aug 10, 2026.

Data last changed Nov 11, 2026 · tracked since Oct 29, 2026 · Every model change

Try Solar Pro 4

Generate with Solar Pro 4 right here. Verify your email to start with free credits.

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Specifications

Context window

524K tokens

Max output

131K tokens

Input price

$0.23 / 1M tokens

Output price

$0.90 / 1M tokens

Cached input

$0.045 / 1M tokens

Benchmarks

How Solar Pro 4 scores on public benchmarks. Each card links to the benchmark explainer and to the original source.

52.7

source date 2026-11-10
Source: openrouter

28.2

source date 2026-11-10
Source: openrouter
Design Arena: 3DDesign & Generation

1163 Elo

Source: designarena
Design Arena: CodeDesign & Generation

1176 Elo

Source: designarena
GPQA DiamondReasoning & Knowledge

80.8%

source date 2026-11-11
Source: openrouter
LMArena (Coding)Instruction & Preference

1437 Elo

source date 2026-11-09
Source: lmarena
LMArena: Creative WritingInstruction & Preference

1317 Elo

source date 2026-11-09
Source: lmarena
LMArena: Hard PromptsInstruction & Preference

1400 Elo

source date 2026-11-09
Source: lmarena

1380 Elo

source date 2026-11-09
Source: lmarena
LMArena: MathMathematics

1424 Elo

source date 2026-11-09
Source: lmarena
LMArena: Multi-TurnInstruction & Preference

1389 Elo

source date 2026-11-09
Source: lmarena
LMArena (Overall)Instruction & Preference

1388 Elo

source date 2026-11-09
Source: lmarena
tau-bench (Airline)Agentic & Tool Use

66%

source date 2026-11-11
Source: openrouter

Compare against every model in the full benchmark matrix.

Capabilities

Reasoning

Works through multi-step problems before answering, for harder tasks.

Tool use

Can call functions and tools, enabling agentic and structured workflows.

Structured output

Returns validated JSON that conforms to a schema you define.

Use Solar Pro 4 through the API

The model id is upstage/solar-pro4. Requests bill your GenMagic balance at the price above, and each response reports what it cost.

curl
curl https://genmagic.co/api/v1/chat/completions \
  -H "Authorization: Bearer $GENMAGIC_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "upstage/solar-pro4",
    "messages": [{ "role": "user", "content": "Explain vector databases in two sentences." }]
  }'
Python (openai SDK)
from openai import OpenAI

client = OpenAI(base_url="https://genmagic.co/api/v1", api_key="YOUR_GENMAGIC_API_KEY")

resp = client.chat.completions.create(
    model="upstage/solar-pro4",
    messages=[{"role": "user", "content": "Explain vector databases in two sentences."}],
)
print(resp.choices[0].message.content)

From an AI agent, call generate_text with "model": "upstage/solar-pro4" on the GenMagic MCP server. Keys, limits and every endpoint are in the API documentation.

Use Solar Pro 4 in n8n

  1. In n8n, open the nodes panel, search for GenMagic and install it (a verified community node), then add it to your workflow.
  2. Set Resource to Text and Operation to Generate.
  3. In Model Name or ID, pick Upstage: Solar Pro 4, or enter upstage/solar-pro4 as an expression.
  4. Connect your GenMagic API key (get one free). Each run is billed at the price above, and the node returns what it cost.

Ready-to-import workflows that already use the node are on GenMagic for n8n.

Similar-priced text models from other providers

Other text models GenMagic runs at a comparable price, on the same balance and API key.

ModelProviderPriceContext
Upstage: Solar Pro 4 (this model)Upstage$0.23 in / $0.90 out per 1M tokens524K
MiniMax: MiniMax M3.1 FlashMiniMax$0.23 in / $0.90 out per 1M tokens1M
LiquidAI: LFM2.5-24B-A2BLiquid AI$0.075 in / $1.05 out per 1M tokens128K
Mistral: Mistral Small 4Mistral AI$0.23 in / $0.90 out per 1M tokens262K
Qwen: Qwen3 VL 30B A3B InstructQwen$0.23 in / $0.90 out per 1M tokens262K
Tencent: Hy3 previewTencent$0.27 in / $0.90 out per 1M tokens262K

More from Upstage

Price and listing history

Every change GenMagic has recorded for Solar Pro 4 since it began tracking the model on Oct 29, 2026. Prices are GenMagic's, the same the studio and the API charge.

DateChangeBeforeAfter
Nov 1, 2026Price up 36%$0.17 in / $0.66 out per 1M tokens$0.23 in / $0.90 out per 1M tokens

Where these figures come from

  • Price: GenMagic's own price, what the studio and the API charge, recomputed from the provider's price list every few minutes and recorded daily. How pricing works.
  • Specs and description: as Upstage publishes them, checked daily.
  • Benchmarks: 18 scores from Artificial Analysis and OpenRouter, Design Arena, LMArena, re-read daily. Each score above links to its source.
  • Changes: the data on this page last changed on Nov 11, 2026, tracked since Oct 29, 2026. Every model's new listings, price changes and retirements are in the model changes log, and how every figure on GenMagic is sourced is on our sources page.

Generate with Solar Pro 4 today

One GenMagic plan unlocks Solar Pro 4 and every other model across text, image, audio, and video.