SF·SIX / MODEL PROFILE
Upstage Solar Pro 4
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...
Upstage Solar Pro 4 costs $0.09 per 1M input tokens and $0.36 per 1M output tokens at the standard tier, the lowest default-region price among the 1 provider SF·SIX tracks, from Upstage. Cached input reads cost $0.018 per 1M tokens. Updated ; prices checked .
- Developer
- Upstage
- Input modalities
- text
- Output modalities
- text
- Context tokens
- 524,288
- Latest price observation
- 2026-10-17
- Lowest paired standard token quote
- $0.09 input / $0.36 output per 1M tokens
Dated price and provider records
| Provider and channel | Input | Output or native rate | Unit and status | Source and observation |
|---|---|---|---|---|
| UpstageOpenRouter | $0.09 | $0.36 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
| UpstageOpenRouter · Zero data retention | $0.09 | $0.36 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
These are dated, non-executable observations. Verify the exact endpoint, price and terms with the source before use. Unknown values are not free.