GPT-4.1 Nano vs Sonar Reasoning Pro
OpenAI vs Perplexity — benchmarks, pricing, and capabilities side by side.
- •Sonar Reasoning Pro has the higher intelligence index (95.7 vs 42.1)
- •GPT-4.1 Nano is cheaper ($0.10 vs $2.00 per 1M input)
- •GPT-4.1 Nano has a larger context window (1M)
| GPT-4.1 Nano | Sonar Reasoning Pro | |
|---|---|---|
| Intelligence index | 42.1 | 95.7 |
| Developer | OpenAI | Perplexity |
| Type | Multimodal | Multimodal |
| Access | API only | API only |
| Context window | 1,047,576 tokens | 128,000 tokens |
| Input price | $0.10 / 1M | $2.00 / 1M |
| Output price | $0.40 / 1M | $8.00 / 1M |
| Speed | 200 tok/s | — |
| Released | April 14, 2025 | March 7, 2025 |
| Parameters | — | — |
| Input modalities | Image, Text | Text, Image |
| Output modalities | Text | Text |
Shared benchmarks
GPT-4.1 Nano
Sonar Reasoning Pro
MATH-500
84.8
95.7