Perplexity: Sonar Pro Search vs xAI: Grok 4
Side-by-side comparison of Perplexity: Sonar Pro Search and xAI: Grok 4. Compare pricing, context window, capabilities, and find out which is better for your workflow.
Verdict
strong confidencexAI: Grok 4 leads overall
xAI: Grok 4 leads in context window and capabilities, making it the stronger choice for most workflows. Perplexity: Sonar Pro Search remains competitive with advantages in max output.
Best for with Perplexity: Sonar Pro Search
Best for with xAI: Grok 4
Side-by-side
Technical specifications
| Perplexity: Sonar Pro Search | xAI: Grok 4 | |
|---|---|---|
| Provider | Perplexity | xAI |
| Input price | $3/M | $3/M |
| Output price | $15/M | $15/M |
| Context window | 200K | 256K |
| Max output | 8K | N/A |
| Capabilities | VisionReasoning | Tool useVisionReasoning |
| Released | Oct 30, 2025 | Jul 9, 2025 |
Scoring breakdown
How each dimension compares
Price
Perplexity: Sonar Pro Search
$15/M tokens
xAI: Grok 4
$15/M tokens
Context Window
xAI: Grok 4 leadsPerplexity: Sonar Pro Search
200K tokens
xAI: Grok 4
256K tokens
Capabilities
xAI: Grok 4 leadsPerplexity: Sonar Pro Search
2/4
xAI: Grok 4
3/4
Max Output
Perplexity: Sonar Pro Search leadsPerplexity: Sonar Pro Search
8K tokens
xAI: Grok 4
N/A
Recency
Perplexity: Sonar Pro Search
Oct 2025
xAI: Grok 4
Jul 2025
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