Grok 3 Mini vs Perplexity Sonar Pro

Performance benchmarks + pricing comparison — updated April 2026

Grok 3 Mini

xAI

Cost-effective xAI model for high-volume tasks. Good balance of capability and affordability.

Input$0.300/M
Output$0.500/M
Context128K tokens
Best ForHigh-volume tasks, simple coding, cost-sensitive projects
Benchmark50/100

Perplexity Sonar Pro

Perplexity

Perplexity's search-optimized model. Built for real-time web search with cited answers.

Input$3.00/M
Output$15.00/M
Context128K tokens
Best ForResearch, fact-checking, current events analysis

Cost Comparison by Scenario

Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.

ScenarioGrok 3 MiniPerplexity Sonar ProSavings
Small Script (1K lines) $0.03 $0.55 Grok 3 Mini saves $0.53 (95%)
Medium Feature (10K lines) $0.21 $4.05 Grok 3 Mini saves $3.84 (95%)
Large Project (50K lines) $1.02 $20.25 Grok 3 Mini saves $19.23 (95%)
Code Review (5K lines) $0.07 $0.90 Grok 3 Mini saves $0.83 (93%)

Verdict

Grok 3 Mini wins on both price and performance — $0.300/M input with a benchmark score of N/A/100.

For most developers, this is the clear choice between these two models.

Compare with Other Models