Upstage API pricing

Official4 language models

As of Oct 15, 2026, Upstage lists 4 language models through its API. Its cheapest language model is Solar Mini at $0.15 input / $0.15 output per million tokens.

Language models (4)

Prices per million tokens.

Model	Input	Output	Cached input	Context
Solar Mini solar-mini	$0.15	$0.15	—	33K
Solar Pro2 solar-pro2	$0.25	$0.25	—	66K
Solar Pro3 solar-pro3	$0.25	$0.25	—	131K
Solar Pro4 solar-pro4	$0.30	$1.20	$0.06	524K

Solar Mini
solar-mini
Input
$0.15
Output
$0.15
Context
33K
Solar Pro2
solar-pro2
Input
$0.25
Output
$0.25
Context
66K
Solar Pro3
solar-pro3
Input
$0.25
Output
$0.25
Context
131K
Solar Pro4
solar-pro4
Input
$0.30
Output
$1.20
Context
524K

Prices in USD from LiteLLM and models.dev, checked daily; confirm on Upstage's pricing page before you rely on a number.