Upstage

USolar Pro 3API

Solar Pro 3 is Upstage's powerful Mixture-of-Experts (MoE) language model.

Context window
128K
tokens
Input price
$0.15
per M tokens
Output price
$0.6
per M tokens
Provider
Upstage

Prices update automatically — checked hourly against provider list prices.

See open-source alternatives → Compare all model prices

Benchmarks & performance

Independent benchmark scores for Solar Pro 3, measured by Artificial Analysis. Higher is better.

Intelligence index14.1
Coding index16.2
GPQA72.4%
Humanity's Last Exam10.1%
Long Context Reasoning27%
SciCode24.7%
IFBench71.2%
τ²-Bench86.3%
τ-Bench Banking8%
Terminal-Bench12%
Terminal-Bench Hard7.6%
⚡ Speed93.4 tokens/sec
⏱ Latency1.24s to first token
💰 Blended price$0.262 / 1M tokens
📈 Value53.8 intelligence points per $
Benchmark data by Artificial Analysis

About this model

Solar Pro 3 is a commercial AI model by Upstage. The specifications below are tracked automatically: pricing is refreshed hourly from public list prices, so the numbers on this page reflect the current cost of using the model through its API.

Frequently asked questions

What is Solar Pro 3?

Solar Pro 3 is an AI language model from Upstage. It is a proprietary model, available through an API. It scores 14.1 on the Artificial Analysis intelligence index.

Is Solar Pro 3 free?

Solar Pro 3 is not free: it costs $0.15 per million input tokens and $0.6 per million output tokens. Open-weight alternatives can be self-hosted at no per-token cost.

What is Solar Pro 3 good at?

Independent benchmarks from Artificial Analysis give it GPQA 72.4%, Humanity's Last Exam 10.1%, Long Context Reasoning 27%, SciCode 24.7%, IFBench 71.2%, τ²-Bench 86.3%, τ-Bench Banking 8%, Terminal-Bench 12%, Terminal-Bench Hard 7.6%. It is particularly used for code generation.

How fast is Solar Pro 3?

It generates about 93.4 tokens per second, with a median 1.24s delay before the first token. Measured independently by Artificial Analysis.

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