Upstage: every model, side by side

Upstage's compact mixture-of-experts model with 35 billion total parameters and 3 billion active parameters. It supports text generation, tool calling, and a 524,288-token context.

conversation · reasoning · analysis · code-generation · tool-use

Upstage language model for long-horizon agent workflows, office productivity, and document-intensive tasks. Supports text input and output with a 524K context window on OpenRouter.

conversation · reasoning · tool-use

Upstage's Mixture-of-Experts model: 102B total parameters, 12B active per forward pass. Tuned for Korean, with English and Japanese support. Deprecating 2 March 2026.

conversation · reasoning · code-generation · analysis