Granite 4.1 8B vs Sonar Reasoning Pro
IBM vs Perplexity — benchmarks, pricing, and capabilities side by side.
- •Sonar Reasoning Pro has the higher intelligence index (95.7 vs 43.3)
- •Granite 4.1 8B is cheaper ($0.05 vs $2.00 per 1M input)
- •Granite 4.1 8B has a larger context window (131K)
| Granite 4.1 8B | Sonar Reasoning Pro | |
|---|---|---|
| Intelligence index | 43.3 | 95.7 |
| Developer | IBM | Perplexity |
| Type | LLM | Multimodal |
| Access | Open weights | API only |
| Context window | 131,072 tokens | 128,000 tokens |
| Input price | $0.05 / 1M | $2.00 / 1M |
| Output price | $0.10 / 1M | $8.00 / 1M |
| Speed | 133 tok/s | — |
| Released | April 30, 2026 | March 7, 2025 |
| Parameters | — | — |
| Input modalities | Text | Text, Image |
| Output modalities | Text | Text |