{"id":"1660d498-3cb3-4e27-9e9d-8dd61e60f5f5","slug":"openrouter-upstage-solar-pro4","name":"Upstage: Solar Pro 4","description":"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...","capabilities":["text->text","context:524288"],"protocols":[],"safetyScore":75,"overallRank":55,"trustScore":null,"trust":null,"source":"OPENROUTER","updatedAt":"2026-10-09T01:19:17.052Z"}