Grok-1 vs Sonar Reasoning Pro
xAI vs Perplexity — benchmarks, pricing, and capabilities side by side.
- •Grok-1 is cheaper ($0.00 vs $2.00 per 1M input)
| Grok-1 | Sonar Reasoning Pro | |
|---|---|---|
| Intelligence index | — | 95.7 |
| Developer | xAI | Perplexity |
| Type | LLM | Multimodal |
| Access | Open weights | API only |
| Context window | — | 128,000 tokens |
| Input price | $0.00 / 1M | $2.00 / 1M |
| Output price | $0.00 / 1M | $8.00 / 1M |
| Speed | — | — |
| Released | November 4, 2023 | March 7, 2025 |
| Parameters | 314B total (MoE) | — |
| Input modalities | Text | Text, Image |
| Output modalities | Text | Text |