Perplexity Sonar Pro vs O3 Mini

Performance benchmarks + pricing comparison — updated April 2026

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

O3 Mini

OpenAI

OpenAI's reasoning model at lower cost. Strong at math, coding, and science tasks.

Input$1.10/M
Output$4.40/M
Context200K tokens
Best ForMath, science, coding tasks requiring deep reasoning
Benchmark80/100

Cost Comparison by Scenario

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

ScenarioPerplexity Sonar ProO3 MiniSavings
Small Script (1K lines) $0.55 $0.17 O3 Mini saves $0.38 (69%)
Medium Feature (10K lines) $4.05 $1.27 O3 Mini saves $2.78 (69%)
Large Project (50K lines) $20.25 $6.33 O3 Mini saves $13.92 (69%)
Code Review (5K lines) $0.90 $0.30 O3 Mini saves $0.60 (66%)

Verdict

O3 Mini wins on both price and performance — $1.10/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