Upstage's compact 35B-parameter mixture-of-experts model with 3B active parameters and a 524K context window. Built for fast, cost-efficient agentic tasks, with strong Korean and English support.
Solar Mini 4 by upstage is offered by 3 providers on this page. Its reference price is $0.10 per 1M input tokens and $0.40 per 1M output tokens. The lowest paid channel is NanoGPT at $0.05 / $0.20 per 1M, about 2.0× below the reference price. That channel is a third-party gateway, so confirm its availability and rate limits before depending on it.
The context window is 524,288 tokens, with an output limit of 131,072 tokens. It supports reasoning, tool use, and structured output. Providers report the capability flags inconsistently, so verify a specific feature against the host you plan to use.
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| NanoGPT | Gateway | $0.05 | $0.20 | $0.005 | — | 524,288 | 131,072 | |
| OpenRouter | Gateway | $0.05 | $0.20 | $0.005 | — | 524,288 | 131,072 | |
| Kilo Gateway | Gateway | $0.10 | $0.40 | $0.01 | — | 524,288 | 131,072 |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Price history accumulates from each data sync; currently only 1 sample(s) (2026-09-24). Each future sync adds a point, and once accumulated a line is drawn here.