GPT-4.1 vs Perplexity Sonar

Performance benchmarks + pricing comparison — updated April 2026

GPT-4.1

OpenAI

Updated GPT-4 generation with improved instruction following and reduced hallucination. Better coding accuracy than GPT-4o.

Input$2.00/M
Output$8.00/M
Context128K tokens
Best ForProduction coding, API development, complex instructions
Benchmark80/100

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-4.1Perplexity SonarSavings
Small Script (1K lines) $0.31 $0.07 Perplexity Sonar saves $0.24 (79%)
Medium Feature (10K lines) $2.30 $0.55 Perplexity Sonar saves $1.75 (76%)
Large Project (50K lines) $11.50 $2.75 Perplexity Sonar saves $8.75 (76%)
Code Review (5K lines) $0.55 $0.20 Perplexity Sonar saves $0.35 (64%)

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