DeepSeek Reasoner (R1) vs Perplexity Sonar Pro

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 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.

ScenarioDeepSeek Reasoner (R1)Perplexity Sonar ProSavings
Small Script (1K lines) $0.08 $0.55 DeepSeek Reasoner (R1) saves $0.47 (85%)
Medium Feature (10K lines) $0.63 $4.05 DeepSeek Reasoner (R1) saves $3.42 (84%)
Large Project (50K lines) $3.15 $20.25 DeepSeek Reasoner (R1) saves $17.10 (84%)
Code Review (5K lines) $0.15 $0.90 DeepSeek Reasoner (R1) saves $0.75 (83%)

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