GPT-4 Turbo vs Perplexity Sonar Pro

Performance benchmarks + pricing comparison — updated April 2026

GPT-4 Turbo

OpenAI

Previous generation high-performance model. Good for complex reasoning tasks.

Input$10.00/M
Output$30.00/M
Context128K tokens
Best ForComplex reasoning, data extraction, analysis
Benchmark70/100

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.

ScenarioGPT-4 TurboPerplexity Sonar ProSavings
Small Script (1K lines) $1.25 $0.55 Perplexity Sonar Pro saves $0.70 (56%)
Medium Feature (10K lines) $9.50 $4.05 Perplexity Sonar Pro saves $5.45 (57%)
Large Project (50K lines) $47.50 $20.25 Perplexity Sonar Pro saves $27.25 (57%)
Code Review (5K lines) $2.50 $0.90 Perplexity Sonar Pro saves $1.60 (64%)

Verdict

Perplexity Sonar Pro wins on both price and performance — $3.00/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