GPT-4 Turbo vs Perplexity Sonar

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

Perplexity

Perplexity's standard search model. Fast, cited answers at lower cost than Sonar Pro.

Input$1.00/M
Output$1.00/M
Context128K tokens
Best ForQuick research, fact-checking, search-augmented chat

Cost Comparison by Scenario

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

ScenarioGPT-4 TurboPerplexity SonarSavings
Small Script (1K lines) $1.25 $0.07 Perplexity Sonar saves $1.19 (95%)
Medium Feature (10K lines) $9.50 $0.55 Perplexity Sonar saves $8.95 (94%)
Large Project (50K lines) $47.50 $2.75 Perplexity Sonar saves $44.75 (94%)
Code Review (5K lines) $2.50 $0.20 Perplexity Sonar saves $2.30 (92%)

Verdict

Perplexity Sonar wins on both price and performance — $1.00/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