Friday, August 21, 2026 · No. 390Prices synced 3 hours ago
All·AI·Model

The AI Model Price Index

Upstage: Solar Pro 4

by Kilo Gateway · family solar · listed Aug 2026RT

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

Current rates USD per 1M tokens

Input$0.30
Output$1.20
Cache read$0.06
Cache write—

Against the market

Input price vs. maker flagships ($/1M tokens)
Upstage: Solar Pro 4Upstage: Solar Pro 4: $0.30 per 1M tokens$0.30DeepSeek V4 ProDeepSeek V4 Pro: $0.435 per 1M tokens$0.435Gemini 3.7 FlashGemini 3.7 Flash: $0.75 per 1M tokens$0.75Mistral Medium 3.5Mistral Medium 3.5: $1.50 per 1M tokens$1.50Grok 4.6Grok 4.6: $2.00 per 1M tokens$2.00Qwen3.8 MaxQwen3.8 Max: $2.00 per 1M tokens$2.00Claude Opus 5Claude Opus 5: $5.00 per 1M tokens$5.00GPT-5.6 SolGPT-5.6 Sol: $5.00 per 1M tokens$5.00
Output price vs. maker flagships ($/1M tokens)
DeepSeek V4 ProDeepSeek V4 Pro: $0.87 per 1M tokens$0.87Upstage: Solar Pro 4Upstage: Solar Pro 4: $1.20 per 1M tokens$1.20Gemini 3.7 FlashGemini 3.7 Flash: $3.75 per 1M tokens$3.75Grok 4.6Grok 4.6: $6.00 per 1M tokens$6.00Qwen3.8 MaxQwen3.8 Max: $6.00 per 1M tokens$6.00Mistral Medium 3.5Mistral Medium 3.5: $7.50 per 1M tokens$7.50Claude Opus 5Claude Opus 5: $25.00 per 1M tokens$25.00GPT-5.6 SolGPT-5.6 Sol: $30.00 per 1M tokens$30.00

On the record

Model id
upstage/solar-pro4
Context window
524K tokens
Max output
131K tokens
Input modalities
text
Output modalities
text
Reasoning
yes
Tool calls
yes
Open weights
no
Knowledge cutoff
—
Released
2026-08-10
Last updated
2026-08-10
Provider docs
kilo.ai

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