Compare / head-to-head
GLM-4.5-XvsSonar Reasoning Pro
GLM-4.5-X and Sonar Reasoning Pro do not yet share a public benchmark, so quality cannot be compared apples-to-apples. Sonar Reasoning Pro is 1.1x cheaper per token. Both offer a 128K-token context window.
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
0
no overlap yet
Cheaper per token
Sonar Reasoning Pro
1.1x cheaper, input + output
Larger context
Tie
both 128K tokens
Provider uptime (30d)
— · 100%
Z.ai · Perplexity
GLM-4.5-X
Z.ai
text
Sonar Reasoning Pro
Perplexity
text
Quality
Benchmark matrix
0 shared · 0 only GLM-4.5-X · 0 only Sonar Reasoning Pro| Benchmark | GLM-4.5-X | Sonar Reasoning Pro | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 0 | ||||
| No public benchmark is reported for both models yet. | ||||
| Only GLM-4.5-X reports · 0 | ||||
| GLM-4.5-X reports nothing Sonar Reasoning Pro does not. | ||||
| Only Sonar Reasoning Pro reports · 0 | ||||
| Sonar Reasoning Pro reports nothing GLM-4.5-X does not. | ||||
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is GLM-4.5-X minus Sonar Reasoning Pro in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing
Side by side
Official pricing pages and model cards| Spec | GLM-4.5-X | Sonar Reasoning Pro | Edge |
|---|---|---|---|
| Context window | 128K tokens | 128K tokens | Tie |
| Max output | 98K tokens | — | — |
| Input price / 1M | $2.2 ↗ | $2 ↗ | Sonar Reasoning Pro |
| Output price / 1M | $8.9 ↗ | $8 ↗ | Sonar Reasoning Pro |
| Cached input / 1M | $0.45 ↗ | — | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $11.1 | $10 | Sonar Reasoning Pro |
| Modalities | text | text | Tie |
| Released | — | — | — |
| Cited benchmark scores | 0 | 0 | — |
Reliability
Provider status
Last 60 days · refreshed daily on this page · live on /statusBuilt by Respan
Which one wins on your data?
Public benchmarks are a starting point. Run GLM-4.5-X and Sonar Reasoning Pro on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.