Solar Pro 4
Upstage's flagship model, specialized for agentic use
upstage/solar-pro4- Lab
- Upstage
- Family
- solar-pro
- Providers
- 6
- Context
- 524,288
- Output limit
- 131,072
- Knowledge
- 2026-02
- Release
- 2026-08-06
- Updated
- 2026-08-06
- Weights
- Closed
- Input
- Output types
- Capabilities
- tools, reasoning, structured, temperature
Providers
6| Provider | Lab | Model ID | Context | Output | Price | Reasoning | Tool Call | Structured | Temperature |
|---|---|---|---|---|---|---|---|---|---|
| Kilo Gateway | Upstage | upstage/solar-pro4 | 524,288 | 131,072 | $0.30 / $1.20 | Yes | Yes | Yes | Yes |
| LLMTR | Upstage | upstage/solar-pro4 | 524,288 | 131,072 | $0.03 / $0.12 | Yes | Yes | Yes | Yes |
| NanoGPT | Upstage | upstage/solar-pro4 | 524,288 | 131,072 | $0.03 / $0.12 | No | Yes | Yes | Yes |
| NanoGPT | Upstage | upstage/solar-pro4:thinking | 524,288 | 131,072 | $0.03 / $0.12 | Yes | Yes | Yes | Yes |
| OpenRouter | Upstage | upstage/solar-pro4 | 524,288 | 131,072 | $0.09 / $0.36 | Yes | Yes | Yes | Yes |
| Upstage | Upstage | solar-pro4 | 524,288 | 131,072 | $0.30 / $1.20 | Yes | Yes | Yes | Yes |
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