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  1. Home
  2. Models
  3. Solar Pro 3
Updated Feb 16, 2026
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Openings

How Solar Pro 3 starts an answer

The first lines of 5 of its 18 written answers. Formatting stripped, words untouched.

Advanced Longevity Plan (Biohacker)

Develop a comprehensive, cutting-edge 3-month longevity plan for a biohacker aiming to optimize longevity, physical and cognitive…

4,735 words
Solar Open 100B – 3‑Month Bio‑Hack Longevity Blueprint Designed for a high‑functioning bio‑hacker who wants to push the envelope on physical, cognitive and epigenetic health while staying data‑driven and medically‑safe.
Read the full answer

Debug This Architecture

Here's the architecture for a real-time collaborative document editor (like Google Docs): **System Overview:** - Frontend: React SPA with…

3,272 words
Authentication & Session Management Failure / Race Condition Why it happens in the current design Concrete mitigation (trade‑offs) JWT stored in localStorage – vulnerable to XSS, copy‑and‑paste attacks, and malicious extensions. No HTTP‑Only flag, no SameSite/Lax cookie protection.
Read the full answer

Adversarial Contract Review

Here is a contract for a software consulting engagement: --- SOFTWARE CONSULTING AGREEMENT This Agreement is entered into between TechCorp…

2,700 words
⚠️ Disclaimer The following analysis is for general informational purposes only and does not constitute legal advice. Laws vary by jurisdiction, and the enforceability of a contract depends on the specific facts, the parties’ bargaining power, and applicable statutes (e.g., Korean Civil Code, the Act on the Regulation…
Read the full answer

Michelin Star Recipe Design

Design an innovative recipe for a multi-component dish worthy of a Michelin 3-star restaurant. The recipe should feature an unusual…

2,519 words
Ethereal Harmony – Deconstructed Korean Hanwoo Beef with Fermented Black‑Garlic & White‑Truffle Miso Foam A Michelin‑3‑star, multi‑component tasting plate that fuses East‑West fermentation, forest‑terroir, and cutting‑edge gastronomy.
Read the full answer

Ethical Dilemma with Stakeholders

You're the CEO of a pharmaceutical company. Your best-selling drug ($2B annual revenue, used by 4 million patients for chronic pain) has…

2,005 words
Executive Summary – What the Company Must Do in the Next 48 Hours Put patient safety first – issue an immediate “safety‑alert” to prescribers and patients, even if the full regulatory filing is still pending.
Read the full answer

Compare Solar Pro 3

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Solar Pro 3 vs MiniMax M338 shared prompts · Landed Jun 2026
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Solar Pro 3 vs Gemini 3.8 Flash39 shared prompts · Landed Sep 2026
Solar Pro 3 vs Muse Spark 1.3 Contributor39 shared prompts · Landed Sep 2026
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Solar Pro 3 vs Dots3-Note Preview38 shared prompts · Landed Aug 2026
Solar Pro 3 vs Seed 2.0 Code39 shared prompts · Landed Aug 2026
Solar Pro 3 vs Seed 2.1 Turbo39 shared prompts · Landed Aug 2026
Solar Pro 3 vs Gemini 3.7 Flash39 shared prompts · Landed Aug 2026
Solar Pro 3 vs DeepSeek V4 Flash 073136 shared prompts · Landed Aug 2026
Solar Pro 3 vs Gemini 3.6 Flash39 shared prompts · Landed Jul 2026

Prompts Solar Pro 3 answered

  • Xbox Controller SVG Artimage generation
  • Debug This Architecturereasoning
  • The Sentience Testreasoning
  • Mini Rhythm Game Snippetweb design
  • Retro macOS UI Recreationweb design
  • Satirical Fake News Headlineconversation

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Solar Pro 3

Solar Pro 3

Upstage's Mixture-of-Experts model: 102B total parameters, 12B active per forward pass. Tuned for Korean, with English and Japanese support. Deprecating 2 March 2026.

WebsiteOpenRouterDocsAPIBlog
Provider
Upstage
Released
2026-01-27
Size
LARGE
Free API (OpenRouter)
No
Per 1M tokens
$0.00 in · $0.00 out
Estimated tab
~$0.00
Visible-output estimate. Thinking may cost extra.

Free API availability

No free endpoint for Solar Pro 3 was found in Rival’s OpenRouter listings. Other providers or chat apps may have separate free offers.

Provider data: 16 Sep 2026 · OpenRouter usage limits

View API options↗
Get API accessProvider and language code samples
Provider
fromimport openai  OpenAI

client = OpenAI(
"https://openrouter.ai/api/v1"    base_url=,
"$OPENROUTER_API_KEY"    api_key=,
)

response = client.chat.completions.create(
"upstage/solar-pro-3:free"    model=,
"role""user""content""Hello!"    messages=[{: , : }],
)
print(response.choices[0].message.content)

Set OPENROUTER_API_KEY with your OpenRouter API key from openrouter.ai/keys.

Deep analysisPsychometrics, taste index, writing DNA
SubjectiveBench

Taste Index

Across 38 scored outputs
How this is measured →
130.13xFloor
0100headroom →

Taste is judged on an uncapped scale, originality first. The space past 100 is craft today's models rarely reach.

Craft22
Originality10
Plays it safe
share of outputs that are the default answer
61%
Writing DNA

Stylometric Fingerprint

Based on 18 text responses
Tick = global average
Vocabulary Diversity50%

Unique words vs. total words. Higher = richer vocabulary.

Sentence Length20.8 words

Average words per sentence.

Hedging0.42

"Might", "perhaps", "arguably" per 100 words.

Bold Formatting6.5

**Bold** markers per 1,000 characters.

List Usage2.2

Bullet and numbered list items per 1,000 characters.

Section Structure0.56

Markdown headings per 1,000 characters.

Emoji Usage0.17

Emoji per 1,000 characters.

Transitions0.12

"However", "moreover", "furthermore" per 100 words.

Opening Habits
Consistency
79%
Across 18 responses
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Model Responses

34 outputs · generated before accounting joined the chat

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Workshop · 127 skills

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Editable skills for interface polish and interaction.

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Solar Pro 3 vs Ox Alpha

Real outputs compared side by side

RANKINGS

Best AI for Creative Writing

A stand-up set with puns banned, a manifesto against CAPTCHA, an interview wi...