Solar Pro 3 vs Sonar Reasoning Pro
Upstage vs Perplexity — benchmarks, pricing, and capabilities side by side.
- •Sonar Reasoning Pro has the higher intelligence index (95.7 vs 72.4)
- •Solar Pro 3 is cheaper ($0.15 vs $2.00 per 1M input)
| Solar Pro 3 | Sonar Reasoning Pro | |
|---|---|---|
| Intelligence index | 72.4 | 95.7 |
| Developer | Upstage | Perplexity |
| Type | LLM | Multimodal |
| Access | API only | API only |
| Context window | 128,000 tokens | 128,000 tokens |
| Input price | $0.15 / 1M | $2.00 / 1M |
| Output price | $0.60 / 1M | $8.00 / 1M |
| Speed | — | — |
| Released | January 27, 2026 | March 7, 2025 |
| Parameters | — | — |
| Input modalities | Text | Text, Image |
| Output modalities | Text | Text |