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Model launch

Upstage releases Solar Pro 4

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

Type
MODEL_LAUNCH
Detection
listing
Confidence
medium
Status

Primary source

OpenRouter models API · openrouter.ai/upstage/solar-pro4 ↗

Structured listing of 400+ hosted models: prices per token, context length, modalities, supported parameters and listing date. Prices are OpenRouter's listed prices, which usually mirror first-party pricing but can differ.