Compare / head-to-head
Grok 4.20 Non-ReasoningvsSonar Reasoning Pro
Grok 4.20 Non-Reasoning and Sonar Reasoning Pro do not yet share a public benchmark, so quality cannot be compared apples-to-apples. Grok 4.20 Non-Reasoning is 2.7x cheaper per token. Grok 4.20 Non-Reasoning has the larger context window (1M tokens).
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
0
no overlap yet
Cheaper per token
Grok 4.20 Non-Reasoning
2.7x cheaper, input + output
Larger context
Grok 4.20 Non-Reasoning
1M tokens
Provider uptime (30d)
— · 100%
xAI · Perplexity
Grok 4.20 Non-Reasoning
xAI · released 2026-03-09
textvision
Sonar Reasoning Pro
Perplexity
text
Quality
Benchmark matrix
0 shared · 0 only Grok 4.20 Non-Reasoning · 0 only Sonar Reasoning Pro| Benchmark | Grok 4.20 Non-Reasoning | Sonar Reasoning Pro | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 0 | ||||
| No public benchmark is reported for both models yet. | ||||
| Only Grok 4.20 Non-Reasoning reports · 0 | ||||
| Grok 4.20 Non-Reasoning reports nothing Sonar Reasoning Pro does not. | ||||
| Only Sonar Reasoning Pro reports · 0 | ||||
| Sonar Reasoning Pro reports nothing Grok 4.20 Non-Reasoning 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 Grok 4.20 Non-Reasoning 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 | Grok 4.20 Non-Reasoning | Sonar Reasoning Pro | Edge |
|---|---|---|---|
| Context window | 1M tokens | 128K tokens | Grok 4.20 Non-Reasoning |
| Max output | — | — | — |
| Input price / 1M | $1.25 ↗ | $2 ↗ | Grok 4.20 Non-Reasoning |
| Output price / 1M | $2.5 ↗ | $8 ↗ | Grok 4.20 Non-Reasoning |
| Cached input / 1M | $0.2 ↗ | — | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $3.75 | $10 | Grok 4.20 Non-Reasoning |
| Modalities | text · vision | text | Grok 4.20 Non-Reasoning |
| Released | 2026-03-09 | — | — |
| 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 Grok 4.20 Non-Reasoning and Sonar Reasoning Pro on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.