TokenRate

Solar Pro 4 Pricing

Flagship

Upstage · 524K tokens context

Solar Pro 4 from Upstage costs $0.090 per 1 million input tokens and $0.360 per 1 million output tokens as of September 2026 (live OpenRouter data). The model supports a 524,288-token context window (approximately 393,216 words) with a 131K-token maximum output. A typical 1,000-token request costs $0.0001 in input charges; a 10,000-token request costs $0.0009.

Solar Pro 4 pricing and capability summary
Input price$0.090 / 1M tokens
Output price$0.360 / 1M tokens
Output / input ratio4.0×
Context window524,288 tokens (~393,216 words)
Maximum output131,072 tokens
Cost per 1K tokens (input)$0.0001
TierFlagship
Last verified

Solar Pro 4 is Upstage's cost-efficient large language model, featuring a 524K context window.

Live pricing from OpenRouter

Input Price

$0.090

per 1 million tokens

Output Price

$0.360

per 1 million tokens

Context Window

524K tokens

max 131K output

Cost Examples

Request TypeTokensInput CostOutput Cost
1,000 word article1,333$0.00012$0.000144
10-page document (2,500 words)3,333$0.0003$0.00036
1,000 lines of code5,000$0.00045$0.00054
100K token document100,000$0.009$0.0108

Output cost estimated at 30% of input token count. Use the calculator for exact figures.

Strengths

  • ✓Extremely cheap at $0.090/1M input tokens
  • ✓Large 524K-token context window
  • ✓Frontier-class quality on complex tasks

Limitations

  • –Quality and availability can vary by hosting provider
  • –Quality and availability can vary by hosting provider

Best Use Cases

Complex research and analysis
Advanced coding and architecture
Long-form content generation
High-stakes production workloads

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Solar Pro 4 — FAQ

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