Perplexity: Sonar Reasoning Pro vs Z.ai: GLM 4.5 Air
Z.ai: GLM 4.5 Air wins on more metrics (5 of 6), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | Perplexity: Sonar Reasoning Pro | Z.ai: GLM 4.5 Air |
|---|---|---|
| Intelligence Index | 17.8✓ | 16.5 |
| Coding Index | — | — |
| GPQA Diamond | — | 73%✓ |
| Design Arena Elo | — | 1222✓ |
| Speed (tokens/sec) | — | — |
| Latency | — | — |
| Input price /M | $2.00 | $0.130✓ |
| Output price /M | $8.00 | $0.850✓ |
| Context window | 128K | 131K✓ |
| Capabilities | ReasoningVision | ReasoningTools |
Frequently asked
Is Perplexity: Sonar Reasoning Pro better than Z.ai: GLM 4.5 Air?
Z.ai: GLM 4.5 Air wins on more metrics (5 of 6), but the right pick depends on what you optimize for — see the breakdown below.
What are the biggest differences between Perplexity: Sonar Reasoning Pro and Z.ai: GLM 4.5 Air?
The table on this page compares Perplexity: Sonar Reasoning Pro and Z.ai: GLM 4.5 Air metric by metric — intelligence benchmarks, coding score, speed, latency, context window and per-token price — with the winner marked on each row. Data refreshes hourly.