Upstage API pricing
As of October 21, 2026, the Upstage API prices run from $0.20 to $0.60 per million output tokens across 3 models, as listed on OpenRouter. Solar Mini 4 is the cheapest paid model at $0.05 input and $0.20 output per million tokens, and Solar Pro 4 the most expensive at $0.15 input and $0.60 output.
None of the 3 models from Upstage has a benchmark score yet, so none is ranked. No Upstage model has a published run cost in the sources we read, so cost per solved task shows No run cost rather than an estimate.
| Model | Input $/Mtok | Output $/Mtok | Context | Evidence | Index | Cost per solved task |
|---|---|---|---|---|---|---|
| Solar Mini 4 | $0.05 | $0.20 | 524K | Not benchmarked | No run cost | |
| Solar Pro 4 | $0.15 | $0.60 | 524K | Not enough data | No run cost | |
| Solar Pro 3 | $0.15 | $0.60 | 131K | Not benchmarked | No run cost |
Price changes
No change in a maker's own API price recorded yet. We read prices daily from OpenRouter (since October 15, 2026) and list a change only when the maker's own price moves between two of our snapshots.