---
id: "upstage/solar-decide"
also: ["upstage/solar-decide-20260928"]
card_usd_per_m: "0.05 in, 0.0 out, at upstage"
cheapest_list_usd_per_m: "0.05 in, 0.0 out, at upstage on openrouter"
cheapest_effective_usd_per_m: "0.0997 in, 0.0 out, at upstage/zdr on openrouter"
context: 524288
max_output: 471859
input: ["text"]
output: ["decisions"]
released: "2026-09-28"
api: ["/api/alpha/decisions"]
endpoints: 2
gateways: "openrouter (2)"
no_training: 2
trains: 0
retains_prompts: 1
---
# Upstage: Solar Decide

Solar Decide is Upstage's structured decision model, served as a System One endpoint on Solar Mini 4. Send a state along with typed questions, and it returns a choice, a...