Solar Mini 4
language modelUpstage
Solar Mini 4 is Upstage's compact, cost-efficient language model, a 35B-parameter mixture-of-experts with 3B active parameters and a 524K context window. It is built for agentic use cases where response...
Key facts
| Made by | Upstage |
|---|---|
| Type | language model |
| Released | September 23, 2026 |
| Reads at once | 524,288 tokens |
| Price (API, per million tokens) | $0.05 in · $0.2 out |
| Input → output | text → text |
Questions about Solar Mini 4
Who makes Solar Mini 4?
Solar Mini 4 is made by Upstage.
When was Solar Mini 4 released?
We first saw Solar Mini 4 listed on September 23, 2026.
How much does Solar Mini 4 cost?
Through OpenRouter it costs $0.05 per million input tokens and $0.2 per million output tokens. Prices change, so check the provider before you build on it.
How much text can Solar Mini 4 read at once?
Up to 524,288 tokens, roughly 393.2K words.
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