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Upstage: Solar Pro 4NEW

Name: Upstage: Solar Pro 4 API
Brand: Upstage
Availability: InStock

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...

Starting at

37.5credits 1M tokens

Prices updated 2026-10-24

Read API docs →

Playground

Run this model with a pre-filled form — the same billed path as the API.

Conversation

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This demo page does not include the full memory features of the client. For the complete experience, please use the client or the CLI.

Rate card

input	37.5 credits 1M tokens
output	150 credits 1M tokens

Flat price per run — it does not change with duration.

Quick start

POST/v1/jobs/createTask

curl -X POST https://modelfold.ai/v1/jobs/createTask \
  -H "Authorization: Bearer $MODELFOLD_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"solar-pro4","input":{"prompt":"..."}}'