Solar Pro 3

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

Rankingat high effort?

Full ranking →
1Gemini 4 Argon77.52MiniMax M3.1 Flash72.53Sonnet 5.571.84Muse Wonder Full71.35Opus 5.569.5
···
121Ministral 3 8B 25120.5122Solar Pro 30.5123Gemma 4 E4B0.5

Strong at

A
Tool calling#58 of 242Instructions#45 of 245
C
Coding#77 of 134Agents & work tasks#116 of 177Reasoning#188 of 336Science#173 of 312Long context#217 of 314Knowledge#230 of 320

Alternatives?

ModelScoreCostPer taskWhat changes
CheaperGPT-6.1 Terralow×113.1-6%$0.055BetterGPT-6 Lunalow×24.2-92%$0.005Function calling only with none · Chat Completions+3OpenDeepSeek V4.1 Flash 1017max×134+350%$0.26Pass back reasoning_content · Chat Completions+4CheaperGPT-5.6 Lunahigh×71.6-25%$0.044CheaperClaude Haiku 5.5medium×57.5-19%$0.047Remove sampling parameters+5

History

4 versions
051015Jul 26Release dateAutomationBench-AA34
051015Jul 26Release dateAutomationBench-AA34

Benchmarks

in Agents & Tool Use
Terminal-Bench 2.112#123
Terminal-Bench 4.00#77
Terminal-Bench Hard (version unstated)7.6#139
GDPval-AA (work tasks) 2.1272.4#116
AA-LCR (long context) 1.132.3#219
τ²-bench · AA86.3#59
τ³-Banking · AA8.7#98
AutomationBench-AA0.5#122
AA-Briefcase 1.1 · Elo99.6#123

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 Ministral 3 8B 2512?›

On AutomationBench-AA, Solar Pro 3 scores 0.5 vs 0.5 — about the same. It is 426% more expensive per task.

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 DeepSeek V4.1 Flash 1017.

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?›

GPT-6.1 Terra (cheaper), GPT-6 Luna (better), DeepSeek V4.1 Flash 1017 (open weights).