Upstage: Solar Pro 3
by UpstageUpstage: Solar Pro 3 is a large language model from Upstage. It costs $0.150 per million input tokens and $0.600 per million output tokens. Its context window is 131K tokens.
- Input / 1M tokens
- $0.150
- Output / 1M tokens
- $0.600
- Cached input / 1M
- $0.015
- Context window
- 131K
On repeated prefixes
tokens
Who serves it cheapest
1 hosts serve Solar Pro 3. Same weights, same API - the price difference is pure margin and routing.
| Provider | Input / 1M | Output / 1M | Context | Throughput | Uptime 24h |
|---|---|---|---|---|---|
| UpstageCheapest | $0.150 | $0.600 | 131K | - | 100.0% |
Benchmarks
Independent scores published alongside the catalogue.
- Intelligence index
- 7.8
- Coding index
- 16.2
- Agentic index
- 1.4
About Solar Pro 3
Solar Pro 3 is Upstage's powerful Mixture-of-Experts (MoE) language model. With 102B total parameters and 12B active parameters per forward pass, it delivers exceptional performance while maintaining computational efficiency. Optimized...
Specifications
| Model ID | upstage/solar-pro-3 |
|---|---|
| Provider | Upstage |
| Context window | 131K tokens |
| Max output | 118K tokens |
| Input modalities | text |
| Output modalities | text |
| Knowledge cutoff | - |
| Open weights | No |
| Released | January 27, 2026 |
Cheaper alternatives
Models that cost less than Solar Pro 3 while keeping at least half its context window and every input modality it supports.
Frequently asked
How much does Upstage: Solar Pro 3 cost?
$0.150 per million input tokens and $0.600 per million output tokens. Cached input reads cost $0.015 per million tokens.
What is the context window of Upstage: Solar Pro 3?
131K tokens, with up to 118K tokens of output per request.
Confirm against the source: Upstage official pricing.