Kimi K2 0905 vs Sonar Reasoning Pro
Moonshot AI vs Perplexity — benchmarks, pricing, and capabilities side by side.
- •Sonar Reasoning Pro has the higher intelligence index (95.7 vs 71)
- •Kimi K2 0905 is cheaper ($0.60 vs $2.00 per 1M input)
- •Kimi K2 0905 has a larger context window (262K)
| Kimi K2 0905 | Sonar Reasoning Pro | |
|---|---|---|
| Intelligence index | 71 | 95.7 |
| Developer | Moonshot AI | Perplexity |
| Type | LLM | Multimodal |
| Access | API only | API only |
| Context window | 262,144 tokens | 128,000 tokens |
| Input price | $0.60 / 1M | $2.00 / 1M |
| Output price | $2.50 / 1M | $8.00 / 1M |
| Speed | 16 tok/s | — |
| Released | September 5, 2025 | March 7, 2025 |
| Parameters | 1000000000000 | — |
| Input modalities | — | Text, Image |
| Output modalities | — | Text |