Best Input Price
$0.03 / 1M
Solar Pro 4 is a large language model from Upstage. It is suited for agentic workflows, office productivity, document-intensive work, and coding.
Context Window
524,288 tokens
Reasoning
No
Tool Calling
Supported
Released
2026-08-06
Inference Providers (4)
| Provider | Model ID | Context | Input / 1M | Output / 1M | Action |
|---|---|---|---|---|---|
| NanoGPT | upstage/solar-pro4 | 524,288 | $0.03 | $0.12 | Docs ↗ |
| LLMTR | upstage/solar-pro4 | 524,288 | $0.03 | $0.12 | Docs ↗ |
| OpenRouter | upstage/solar-pro4 | 524,288 | $0.09 | $0.36 | Docs ↗ |
| Kilo Gateway | upstage/solar-pro4 | 524,288 | $0.30 | $1.20 | Docs ↗ |