solar-pro4

1377 Score third-party Elo · arena.ai / LMArena ?

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...

LLM & Generative AI 1 model 1 listings snapshot Oct 14, 2026, 12:43 AM

Platforms

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Cheapest OpenRouter no official benchmark Input$0.090 Output$0.360 per 1M tokens Fastest OpenRouter lowest p50 latency on this board 128.1 ms p50 Most free quota — largest published free allowance — free tier

Model variants

W3r9 dedup — same model + identical tags merge; prices are listed per billing form

Model	Provider	Tags	Input /1M	Output /1M
upstage/solar-pro4	OpenRouter	512k contextreasoning	$0.090	$0.360

Capabilities

official design_arena & architecture metadata

Design Arena Elo official design_arena benchmark (OpenRouter)

codecategories 1185 · 39.0% wr
3d 1179 · 46.4% wr
dataviz 1179 · 41.3% wr
website 1179 · 37.5% wr
gamedev 1175 · 39.9% wr
uicomponent 1152 · 35.5% wr
webapps 1098 · 30.0% wr

Input / Output modalities modality: text->text

text in+out

Platform details

per provider

provider	model	Input /1M	Output /1M	Latency ?	Official $/1M	Availability	Data time
OpenRouter	upstage/solar-pro4	$0.090	$0.360	128.1 ms	—	100% available	2026-10-14 00:43:21

1 rows · snapshot 2026-10-14 00:43:21 · from data/public/prices.json + measurements.json