Phi-3.5-mini-instruct vs Sonar Reasoning Pro
Microsoft vs Perplexity — benchmarks, pricing, and capabilities side by side.
- •Sonar Reasoning Pro has the higher intelligence index (95.7 vs 46)
- •Phi-3.5-mini-instruct is cheaper ($0.10 vs $2.00 per 1M input)
| Phi-3.5-mini-instruct | Sonar Reasoning Pro | |
|---|---|---|
| Intelligence index | 46 | 95.7 |
| Developer | Microsoft | Perplexity |
| Type | LLM | Multimodal |
| Access | Open weights | API only |
| Context window | 128,000 tokens | 128,000 tokens |
| Input price | $0.10 / 1M | $2.00 / 1M |
| Output price | $0.10 / 1M | $8.00 / 1M |
| Speed | 23 tok/s | — |
| Released | August 23, 2024 | March 7, 2025 |
| Parameters | 3800000000 | — |
| Input modalities | — | Text, Image |
| Output modalities | — | Text |