LLM Comparison
Grok 4.20 vs Sonar Pro Search
Side-by-side specs, pricing & capabilities · Updated April 2026
Price vs Intelligence
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2/6 modelsSame tier:
S Sonar Pro Search | ||
|---|---|---|
| Organization | Perplexity AI | |
| OpenTools Score | 77 19.3 | 29 3.2 |
| Family | Grok | Sonar |
| Status | Current | Current |
| Release Date | Mar 2026 | Oct 2025 |
| Context Window | 2.0M tokens | 200K tokens |
| Input Price | $2.00/M tokens | $3.00/M tokens |
| Output Price | $6.00/M tokens | $15.00/M tokens |
| Pricing Notes | Cache read: $0.2000/M tokens | — |
| Capabilities | textvisioncode | textvisioncode |
| Max Output | — | 8K tokens |
| API Identifier | x-ai/grok-4.20 | perplexity/sonar-pro-search |
| Benchmarks | ||
| GPQA Diamond | — | 47.1perplexity |
| MMLU Pro | — | 68.9perplexity |
| MATH-500 | — | 81.7perplexity |
| AIME | — | 48.7perplexity |
| View Grok 4.20 | View Sonar Pro Search | |
Cost Calculator
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| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| Grok 4.20Cheapest | $2.00 | $3.00 | $5.00 | — |
| Sonar Pro Search | $3.00 | $7.50 | $10.50 | +110% |
xAI
Grok 4.20
Grok 4.20 is a multimodal llm from xAI. Supports up to 2,000,000 token context window. Available from $2.00/M input tokens.
Perplexity AI
Sonar Pro Search
Sonar Pro Search is a multimodal llm from Perplexity AI. Supports up to 200,000 token context window. Achieves 83.0% on MMLU. Available from $3.00/M input tokens.
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