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Upstage · Language model
Solar Pro 4
upstage/solar-pro4- Language
Solar Pro 4 is Upstage's cost-efficient large language model, featuring a 524K context window. It is built for long-horizon tasks and agentic workflows, with strong capabilities in office productivity, document-intensive...
Specifications
- Context window
- 524,288 tokens
- Max output
- 131,072 tokens
- Input
- text
- Output
- text
- Reasoning effort
- max, xhigh, high, medium, low, minimal, none
- Tokenizer
- Other
Supported parameters
Accepted by the model and forwarded as-is by the gateway.
- frequency_penalty
- max_tokens
- parallel_tool_calls
- presence_penalty
- reasoning
- reasoning_effort
- response_format
- structured_outputs
- temperature
- tool_choice
- tools
- top_p
Use it
POST /api/v1/chat/completions · MCP chat · full reference
curl https://omnirail.org/api/v1/chat/completions \
-H "Authorization: Bearer $OMNIRAIL_KEY" -H "Content-Type: application/json" \
-d '{"model":"upstage/solar-pro4","messages":[{"role":"user","content":"Hello"}],"max_tokens":300}'