Solar Pro 3

Apr 2026
Solar Pro 3
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$0.058per task?
$0.15 / $0.60per 1M in / outcache $0.015
147 tok/sfirst token in 1.3 s?
131Kcontext

History

4 versions
60708090Jul 25Oct 25Jan 26Apr 26Jul 26Release dateGPQA Diamond2 · May2 · Jul34
60708090Jul 25Jan 26Jul 26Release dateGPQA Diamond2 · May2 · Jul34

FAQ

How much does Solar Pro 3 cost?›

$0.15 per 1M input tokens and $0.60 per 1M output tokens; cached input $0.015 per 1M. A typical benchmark task costs about $0.058 at high effort.

Is Solar Pro 3 free to use?›

There is no free API; the cheapest paid price is $0.15 per 1M input tokens.

How good is Solar Pro 3, and what is it best at?›

#188 of 336 in Chat & Knowledge, #77 of 134 in Coding, #122 of 135 in Agents & Tool Use, #94 of 96 in Writing & Language, #111 of 135 in Vision & Documents. Strongest at: Tool calling, Instructions.

Is Solar Pro 3 better than Solar Pro 2?›

On GPQA Diamond, Solar Pro 3 scores 72.4 vs 68.7 — higher.

How can I use Solar Pro 3?›

Through the API of Upstage.

What is the context window of Solar Pro 3?›

131K tokens, with up to 118K output tokens.

When was Solar Pro 3 released? Is there a newer version?›

Released 2026-04-06. It is the current version in its line.

Is Solar Pro 3 open source?›

No, Solar Pro 3 is a closed model available through an API. The closest open-weights option here is Kimi K3.

Can Solar Pro 3 read images?›

No, it accepts text only.

What is Solar Pro 3?›

Solar Pro 3 is a closed language model from Upstage, released Apr 2026, the successor to Solar Pro 2.

What are the best alternatives to Solar Pro 3?›

Agnes 2.5 Pro Beta (cheaper), GPT-5.6 Luna (better), Kimi K3 (open weights).