4 across 1 category board · 5 without a live endpoint · 1 equivalent routes · 1 superseded · upstage.ai
ModelCap tracks 11 canonical Upstage models as of 6 November 2026: 11 language models (4 with a public ModelCap Index position). Superseded versions and equivalent serving routes stay listed on this page, marked as such.
Solar Open2 250B is Upstage's highest-ranked model as of 6 November 2026, at ModelCap Index position #80 with a score of 61.2, followed by Solar Pro 4 (#137). The table lists every ranked Upstage model in Index order.
Solar Mini 4 at $0.20 per 1M output tokens ($0.05 per 1M input) as of 6 November 2026, the lowest listed price among Upstage's 2 priced language models. Prices are the lowest current provider offer on the OpenRouter catalogue.
Solar Pro 4, with a published context window of 524K tokens. Individual providers can serve less than the published maximum; each model page lists every endpoint's own limit.
5 of 11 tracked Upstage models publish downloadable weights (open weights). ModelCap labels weight availability from repository metadata, not whether the training stack is open source; the licence class is shown beside each row.
Solar Mini 4, first listed on 23 September 2026. New Upstage models appear here as soon as they pass automatic identity checks; the launches page tracks releases across every publisher.