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Upstage: Solar Pro 4 API Pricing

Upstage: Solar Pro 4 is an API model from upstage. It costs $0.15 per 1M input tokens and $0.6 per 1M output tokens, with cached input at $0.03. Its context window is 524,288 tokens with up to 131,072 output tokens. A workload of 10M input + 2M output tokens costs about $2.7 per month.
Input
$0.15
per 1M tokens
Output
$0.6
per 1M tokens
Cached input
$0.03
per 1M tokens
Context window
524K
524,288 tokens
Blended (80/20)
$0.24
per 1M tokens

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 for a real workload?

At 10M input + 2M output tokens per month, Upstage: Solar Pro 4 costs about $2.7 ($1.5 input + $1.2 output). Try your own volumes in the cost calculator.

What are cheaper alternatives to Upstage: Solar Pro 4?

Where to run Upstage: Solar Pro 4

AI/ML API: one API key for 400+ models, including most models tracked here · Novita AI: pay-as-you-go APIs for open models (DeepSeek, Qwen, Llama and more) plus GPU cloud. Prices there follow each platform's own catalog and can differ from the list prices tracked here.

Run it on AI/ML API →Run it on Novita AI →

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Compare Upstage: Solar Pro 4 with other models

Upstage: Solar Pro 4 vs Upstage: Solar Mini 4Upstage: Solar Pro 4 vs Upstage: Solar Pro 3

Frequently asked questions

How much does Upstage: Solar Pro 4 cost?

Upstage: Solar Pro 4 costs $0.15 per 1M input tokens and $0.6 per 1M output tokens (list price, snapshot October 22, 2026). At 10M input + 2M output tokens per month that is about $2.7.

What is the context window of Upstage: Solar Pro 4?

Upstage: Solar Pro 4 has a context window of 524,288 tokens and can return up to 131,072 output tokens per response.

What are cheaper alternatives to Upstage: Solar Pro 4?

Cheaper models include OpenAI: GPT-5.4 Nano (batch) ($0.1 in / $0.625 out), Tencent: Hunyuan A13B Instruct ($0.14 in / $0.57 out), OpenAI: GPT-5.6 Luna Pro (batch) ($0.1 in / $0.6 out). See the full list on this page.

Is Upstage: Solar Pro 4 free to use?

No. Upstage: Solar Pro 4 is a paid model at $0.15 input / $0.6 output per 1M tokens. 21 free models are listed on the free models page.

Provider: upstage · Model ID: upstage/solar-pro4 · Modality: text->text · Price snapshot October 22, 2026, refreshed daily. How we collect prices