DeepSeek Reasoner (R1) vs Perplexity Sonar

Performance benchmarks + pricing comparison — updated April 2026

DeepSeek Reasoner (R1)

DeepSeek

DeepSeek's reasoning model. Comparable to OpenAI's o1 but at much lower cost.

Input$0.550/M
Output$2.19/M
Context128K tokens
Best ForComplex reasoning, math, advanced coding
Benchmark72/100

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.

ScenarioDeepSeek Reasoner (R1)Perplexity SonarSavings
Small Script (1K lines) $0.08 $0.07 Perplexity Sonar saves $0.02 (23%)
Medium Feature (10K lines) $0.63 $0.55 Perplexity Sonar saves $0.08 (13%)
Large Project (50K lines) $3.15 $2.75 Perplexity Sonar saves $0.40 (13%)
Code Review (5K lines) $0.15 $0.20 DeepSeek Reasoner (R1) saves $0.05 (24%)

Verdict

DeepSeek Reasoner (R1) wins on both price and performance — $0.550/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