o4-mini 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 78.4)
- •o4-mini is cheaper ($1.10 vs $2.00 per 1M input)
- •o4-mini has a larger context window (200K)
| o4-mini | Sonar Reasoning Pro | |
|---|---|---|
| Intelligence index | 78.4 | 95.7 |
| Developer | OpenAI | Perplexity |
| Type | Multimodal | Multimodal |
| Access | API only | API only |
| Context window | 200,000 tokens | 128,000 tokens |
| Input price | $1.10 / 1M | $2.00 / 1M |
| Output price | $4.40 / 1M | $8.00 / 1M |
| Speed | 115 tok/s | — |
| Released | April 16, 2025 | March 7, 2025 |
| Parameters | — | — |
| Input modalities | Text, Image | Text, Image |
| Output modalities | Text | Text |
Shared benchmarks
o4-mini
Sonar Reasoning Pro
MATH-500
98.9
95.7