The Orchestrator › Models › Upstage
Upstage: Solar Mini 4
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...
Specifications
| Provider | Upstage |
| Model ID | upstage/solar-mini4 |
| Context window | 524K tokens (524,288) |
| Modalities | text → text |
| Tokenizer | Other |
| Router sources | OpenRouter |
| Released | 2026-09-23 |
| Tracked since | 2026-11-14 |
| Popularity | Not in the ranked set |
| Reasoning | Supported |
Pricing (per million tokens)
| Variant | Source | API ID | Input | Output | Context |
|---|---|---|---|---|---|
| standard | OpenRouter | upstage/solar-mini4 | $0.05 | $0.2 | 524K |
Recorded price history
| Date | Input / 1M | Output / 1M | Context |
|---|---|---|---|
| 2026-11-14 | $0.05 | $0.2 | 524K |
Capabilities
Agentic tool useStructured outputs256K+ context windowControllable reasoning
Supported parameters
frequency_penalty, include_reasoning, max_tokens, parallel_tool_calls, presence_penalty, reasoning, reasoning_effort, response_format, structured_outputs, temperature, tool_choice, tools, top_p