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Solar Pro 3API
Solar Pro 3 is Upstage's powerful Mixture-of-Experts (MoE) language model.
Prices update automatically — checked daily against provider list prices.
- $0.26 per 1M tokens, assuming 3 input for 1 output the convention used by Artificial Analysis
- cheaper than 91% of the 192 commercial models tracked here
Benchmarks & performance
Independent benchmark scores for Solar Pro 3, measured by Artificial Analysis. Higher is better.
Models at this level cost $0.63 per 1M tokens (median of 19) — this one costs $0.26.
Cheaper and better on this index: GLM 5.3 Flash · GPT-5.6 Luna (batch) · DeepSeek V4 Flash 0731 and 18 more
About this model
Solar Pro 3 is a commercial AI model by Upstage. The specifications below are tracked automatically: pricing is refreshed daily 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 14.5 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 10.3%, Long Context Reasoning 31%, SciCode 24.7%, IFBench 71.2%, τ²-Bench 86.3%, τ-Bench Banking 8.7%, Terminal-Bench 12%, Terminal-Bench Hard 7.6%. It is particularly used for code generation.
How fast is Solar Pro 3?
It generates about 160.1 tokens per second, with a median 1.18s delay before the first token. Measured independently by Artificial Analysis.