Upstage
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...
- Context window
- 524Ktokens
- Max output
- 131Ktokens
- Input
- $0.15/ 1M
- Output
- $0.60/ 1M
Quick start
from openai import OpenAI
client = OpenAI(
base_url="https://neurongate.net/v1",
api_key="sk-ng-your-api-key",
)
completion = client.chat.completions.create(
model="upstage/solar-pro4",
messages=[{"role": "user", "content": "Hello!"}],
)
print(completion.choices[0].message.content)Cost
| Example request | Tokens | Cost |
|---|---|---|
| Short prompt | 1K in | $0.00015 |
| Typical chat turn | 1K in · 500 out | $0.00045 |
| Document analysis | 10K in · 2K out | $0.0027 |
| Long context | 100K in · 10K out | $0.021 |
Prices in USD. Billed per token actually used, from a balance prepaid in USDT, USDC, ETH or BTC.
Frequently asked questions
What is 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...
How much does Upstage Solar Pro 4 cost?
Upstage Solar Pro 4 is priced at $0.15 per 1 million input tokens and $0.6 per 1 million output tokens when accessed via NeuronGate. You pay per token — no subscriptions required. Top up with crypto (USDT, USDC, ETH, BTC).
Does Upstage Solar Pro 4 support streaming?
Yes, Upstage Solar Pro 4 supports streaming responses via NeuronGate's API. Use the standard "stream": true parameter in your request.
What is the context window of Upstage Solar Pro 4?
Upstage Solar Pro 4 has a context window of 524K tokens (~393K words). Maximum output is 131K tokens.
Does Upstage Solar Pro 4 support function calling (tools)?
Yes, Upstage Solar Pro 4 supports function calling / tool use via NeuronGate's standard API.
How do I use Upstage Solar Pro 4 with NeuronGate?
Create a NeuronGate account, top up your balance with crypto, generate an API key, and use the model id upstage/solar-pro4 in your requests. NeuronGate uses the OpenAI-compatible API format — set your base URL to https://neurongate.net/v1.