Upstage: Solar Pro 4 (upstage/solar-pro4) costs $0.15 per 1M prompt tokens and $0.6 per 1M completion tokens, has a 524,288-token context window, and supports tool calling, structured outputs, reasoning and response format. Data updated 2026-10-30.
- Prompt price
- $0.15 / 1M tokens
- Completion price
- $0.6 / 1M tokens
- Context
- 524,288 tokens
- Input modalities
- text
- Output modalities
- text
- Tokenizer
- Other
- Instruct type
- —
- Knowledge cutoff
- —
- Hugging Face
- —
Last price change: 2026-10-19
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...