Upstage: Solar Pro 3: AI model
Solar Pro 3 is Upstage’s Mixture-of-Experts model with 102B total and 12B active parameters, optimized for Korean with English and Japanese support. Reachable from inside Iran through Hormouz.
- Context window:
- 131,072 tokens
- Input:
- $0.15/1M tokens
- Output:
- $0.6/1M tokens
- Type:
- text
- Tools
- Streaming
- Long context
Thinking levels: high · medium · low · minimal · none
Solar Pro 3 is a powerful language model built on a Mixture-of-Experts (MoE) architecture. It carries 102B total parameters but activates only about 12B per forward pass, pairing high quality with good computational efficiency.
The model is optimized for Korean while also supporting English and Japanese. Solar Pro 3 offers step-by-step reasoning, tool calling and structured output, and a context window of up to 128K tokens. Access runs through Hormouz behind an OpenAI-compatible API.
Pricing is usage-based: $0.15 per million input tokens and $0.60 per million output tokens. Hormouz provides stable access to the model from inside Iran.
Solar Pro 3 is Upstage's powerful Mixture-of-Experts (MoE) language model. With 102B total parameters and 12B active parameters per forward pass, it delivers exceptional performance while maintaining computational efficiency. Optimized...
Quickstart
curl https://api.hormouz.net/v1/chat/completions \
-H "Authorization: Bearer ng-YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "upstage/solar-pro-3",
"messages": [{"role": "user", "content": "Hello!"}]
}'Specs
| Vendor | Upstage |
|---|---|
| Type | Text |
| Context window | 131,072 tokens |
| Pricing | $0.15/M in · $0.60/M out |
| API | Chat Completions |
| Capabilities | Streaming · Tools |
Benchmarks
Reasoning
Coding
Agentic
Source: Artificial Analysis
Code example
curl https://api.hormouz.net/v1/chat/completions \
-H "Authorization: Bearer ng-YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "upstage/solar-pro-3",
"messages": [{"role": "user", "content": "Hello!"}]
}'from openai import OpenAI
client = OpenAI(api_key="ng-YOUR_API_KEY", base_url="https://api.hormouz.net/v1")
response = client.chat.completions.create(
model="upstage/solar-pro-3",
messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)import OpenAI from "openai";
const client = new OpenAI({ apiKey: "ng-YOUR_API_KEY", baseURL: "https://api.hormouz.net/v1" });
const response = await client.chat.completions.create({
model: "upstage/solar-pro-3",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);Buy the Upstage: Solar Pro 3 API, paid in rial
- Buy credit with an Iranian bank card; no foreign card or account needed.
- One Hormouz key reaches Upstage: Solar Pro 3 and 600+ other models, and you pay only for what you use.
- No VPN and no risk of a banned account; just change the base URL to api.hormouz.net/v1.
Use via Hormouz
Connect to this model and 600+ others with one API key, then see usage down to each request.
Request company accessFAQ
- How much does Solar Pro 3 cost?
- Billing is usage-based: $0.15 per million input tokens and $0.60 per million output tokens. You pay only for what you use.
- How do I access Solar Pro 3 from inside Iran?
- Create an account on Hormouz and generate an API key. Hormouz provides a stable path to the model from inside Iran, with no foreign credit card or circumvention tooling required.
- Is Solar Pro 3 compatible with OpenAI code?
- Yes. Hormouz exposes an OpenAI-compatible API. Just change the base URL to Hormouz and swap in your Hormouz key. Your existing SDKs and code run without a rewrite.
- Which languages does Solar Pro 3 support?
- The model is optimized for Korean and also supports English and Japanese.
- What capabilities does Solar Pro 3 have?
- It offers step-by-step reasoning, tool calling and structured output, with a context window of up to 128K tokens.
Updated 2026-10-13