DeepSeek Reasoner (R1) vs Perplexity Sonar Reasoning Pro
Performance benchmarks + pricing comparison — updated April 2026
DeepSeek Reasoner (R1)
DeepSeekDeepSeek's reasoning model. Comparable to OpenAI's o1 but at much lower cost.
| Input | $0.550/M |
| Output | $2.19/M |
| Context | 128K tokens |
| Best For | Complex reasoning, math, advanced coding |
| Benchmark | 72/100 |
Perplexity Sonar Reasoning Pro
PerplexityPerplexity's most advanced search model with deep reasoning. Complex research tasks with cited sources.
| Input | $5.00/M |
| Output | $20.00/M |
| Context | 128K tokens |
| Best For | Deep research, academic analysis, complex investigations |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | DeepSeek Reasoner (R1) | Perplexity Sonar Reasoning Pro | Savings |
|---|---|---|---|
| Small Script (1K lines) | $0.08 | $0.78 | DeepSeek Reasoner (R1) saves $0.69 (89%) |
| Medium Feature (10K lines) | $0.63 | $5.75 | DeepSeek Reasoner (R1) saves $5.12 (89%) |
| Large Project (50K lines) | $3.15 | $28.75 | DeepSeek Reasoner (R1) saves $25.60 (89%) |
| Code Review (5K lines) | $0.15 | $1.38 | DeepSeek Reasoner (R1) saves $1.22 (89%) |
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
Claude Sonnet 4
AnthropicAnthropic's balanced model for coding and general tasks. Best price-performance ratio in the Claude family.
Claude Opus 4
AnthropicAnthropic's most powerful model. Best for complex reasoning and challenging coding tasks.
Claude 3.5 Sonnet
AnthropicPrevious generation Sonnet. Still excellent for coding tasks at the same price point.
Claude 3.5 Haiku
AnthropicFast, cost-effective model for high-volume tasks. Great for code review and simple queries.
Claude 3 Opus
AnthropicFirst generation Opus. Highest reasoning capability in the Claude 3 family.
Claude 3 Sonnet
AnthropicFirst generation Sonnet. Balanced performance for general tasks.