GLM-4.6 vs Sonar Reasoning Pro
Zhipu AI vs Perplexity — benchmarks, pricing, and capabilities side by side.
- •Sonar Reasoning Pro has the higher intelligence index (95.7 vs 72.4)
- •GLM-4.6 is cheaper ($0.43 vs $2.00 per 1M input)
- •GLM-4.6 has a larger context window (203K)
| GLM-4.6 | Sonar Reasoning Pro | |
|---|---|---|
| Intelligence index | 72.4 | 95.7 |
| Developer | Zhipu AI | Perplexity |
| Type | LLM | Multimodal |
| Access | Open weights | API only |
| Context window | 202,752 tokens | 128,000 tokens |
| Input price | $0.43 / 1M | $2.00 / 1M |
| Output price | $1.74 / 1M | $8.00 / 1M |
| Speed | 85 tok/s | — |
| Released | September 30, 2025 | March 7, 2025 |
| Parameters | 357B (MoE) | — |
| Input modalities | Text | Text, Image |
| Output modalities | Text | Text |