Upstage Solar Pro 3 Is Now Available in Puter.js

Puter.js now supports Solar Pro 3, Upstage's powerful Mixture-of-Experts language model designed for reasoning, tool use, and multilingual performance.

What is Solar Pro 3?

Solar Pro 3 is Upstage's next-generation LLM featuring 102B total parameters with only 12B active parameters per forward pass. This MoE architecture delivers exceptional performance while maintaining computational efficiency.

The model offers a 128K token context window and is optimized for Korean with strong English and Japanese support. Solar Pro 3 excels at complex reasoning tasks, structured output generation with 100% schema compliance, and agent-like workflows across domains including finance, healthcare, and legal applications.

Examples

Basic Chat

puter.ai.chat(
    "Explain how mixture-of-experts models achieve computational efficiency",
    { model: "upstage/solar-pro-3:free" }
)

Streaming Response

const response = await puter.ai.chat(
    "Write a detailed guide on best practices for building scalable web applications",
    { model: "upstage/solar-pro-3:free", stream: true }
);

for await (const part of response) {
    if (part?.reasoning) puter.print(part?.reasoning);
    else puter.print(part?.text);
}

Multilingual Support (Korean)

puter.ai.chat(
    "한국어로 인공지능의 미래에 대해 설명해 주세요",
    { model: "upstage/solar-pro-3:free" }
)

Get Started Now

Just add one script tag to your HTML:

<script src="https://js.puter.com/v2/"></script>

No API keys or account needed. Start building with Solar Pro 3's multilingual capabilities immediately.

Learn more:

• Free, Unlimited Upstage Solar API
• Puter.js AI Documentation