Home / All model prices / Upstage / solar-pro4 U Upstage
solar-pro4 OpenRouter price Model overview 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...
Context window 524,288 tokens
Knowledge cutoff —
Price last verified 2026-09-06
First observed 2026-08-11 Descriptions, capabilities, and tariffs come from the linked source. First-party prices take priority; OpenRouter fallbacks are labelled.
Current price Estimated API value in USD per million tokens, backed by OpenRouter's public Models API.
Input $0.03
Cached input $0.006
Cache write 5m —
Cache write 1h —
Output $0.12 Capabilities and formats text frequency penalty include reasoning max tokens parallel tool calls presence penalty reasoning response format structured outputs temperature tool choice tools top p Performance references No comparable benchmark data is currently available.
PRICE EVOLUTION Price history Original observation and every later change, including any change of price source.
Original observed price Official price unavailable 2026-08-11
Input: — Cached input: — Cache write 5m: — Cache write 1h: — Output: —
Price change OpenRouter price 2026-08-20
Input: $0.03 Cached input: $0.006 Cache write 5m: — Cache write 1h: — Output: $0.12
