Model registry / Upstage / Solar Pro / solar-pro3
solar-pro3
Flagship model for demanding analysis, coding, and production agent workflows
Line
Solar Pro
Weights
API only
Released
2026-01
Context
131K
Input
$0.15 / 1M
Output
$0.25 / 1M
Max output
8K
Coverage
not covered yet
Overview
Solar Pro 3 is the flagship model in the solar-pro line, designed for demanding analysis, coding, and production agent workflows. It is the first version of its line in the registry. It has a context window of 131072 tokens and a maximum output of 8192 tokens. Pricing starts at $0.15 per million input tokens and $0.25 per million output tokens. The weights are not open. It supports reasoning mode, tool calling, and accepts and returns text.
Specs
Pricing
First version of its line in the registry.
Range across the hosts that serve it: up to $0.25 per 1M input tokens.
Strengths
- 131072 token context window
- 8192 token max output
- Reasoning mode for complex tasks
- Tool calling for agent workflows
- Priced from $0.15 per million input tokens
Best for
- Reach for it for demanding analysis tasks
- Reach for it for coding workflows
- Reach for it for production agent workflows
How to access
2 hosts serve this model at the price above · the maker's documentation
Solar Pro: every version
The registry keeps the six most recent versions of a line. Older ones stay in the file and can be surfaced without a rebuild.
FAQ
- What is the context window size?
- 131072 tokens.
- Does it support tool calling?
- Yes, it supports tool calling and reasoning mode.
- Are the weights open?
- No, the weights are not open.