solar familyActive

Upstage: Solar Pro 4

Solar Pro 4 is a large language model from Upstage. It is suited for agentic workflows, office productivity, document-intensive work, and coding.

JSON Embed chart Compare

Context

524,288

Max output

131,072

Input / 1M

$0.03

Output / 1M

$0.12

Providers

01 Profile 02 Capabilities 03 Pricing 04 History 06 Related

01Profile

Profile

Released

2026-08-10

Last updated

2026-08-10

Knowledge cutoff

—

Weights

Closed

02Capabilities

Capabilities

Input

text

Output

text

Reasoning

Yes

Tool calling

Yes

Structured output

Yes

Attachments

Cache read

—

Cache write

—

03Pricing

Pricing across 6 providers

Per 1M tokens, USD. Sorted by input price. First-party row highlighted.

Provider	Provider model id	Input	Output	Cache read	Context
llmtr	upstage/solar-pro4	$0.03	$0.12	Not listed	524,288
nano-gpt	upstage/solar-pro4	$0.03	$0.12	$0.006	524,288
nano-gpt	upstage/solar-pro4:thinkingthinking	$0.03	$0.12	$0.006	524,288
openrouter	upstage/solar-pro4	$0.09	$0.36	$0.02	524,288
kilo	upstage/solar-pro4	$0.30	$1.20	$0.06	524,288
upstage	solar-pro4	$0.30	$1.20	$0.06	524,288

04History

Change history

12+ recent events since 2026-08-10

2026-09-11Price upopenrouterinput / 1M$0.03→ $0.09

2026-09-11Price upopenrouteroutput / 1M$0.12→ $0.36

2026-08-16Addedllmtroffering→ new

2026-08-16Contextnano-gptContext window524,288→ new

2026-08-16Contextnano-gptMax output131,072→ new

2026-08-16Contextnano-gptContext window524,288→ new

2026-08-16Contextnano-gptMax output131,072→ new

2026-08-11Addednano-gptoffering→ new

2026-08-11Addedopenrouteroffering→ new

2026-08-10Addedkilooffering→ new

2026-08-06Addedupstageoffering→ new

Upstage: Solar Pro 4

Profile

Capabilities

Pricing across 6 providers

Change history

Same family & alternatives