Claude Sonnet 4 vs Perplexity Sonar Pro
Performance benchmarks + pricing comparison — updated April 2026
Claude Sonnet 4
AnthropicAnthropic's balanced model for coding and general tasks. Best price-performance ratio in the Claude family.
| Input | $3.00/M |
| Output | $15.00/M |
| Context | 200K tokens |
| Best For | Day-to-day coding, code review, documentation |
| Benchmark | 78/100 |
Perplexity Sonar Pro
PerplexityPerplexity's search-optimized model. Built for real-time web search with cited answers.
| Input | $3.00/M |
| Output | $15.00/M |
| Context | 128K tokens |
| Best For | Research, 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.
| Scenario | Claude Sonnet 4 | Perplexity Sonar Pro | Savings |
|---|---|---|---|
| Small Script (1K lines) | $0.62 | $0.55 | Perplexity Sonar Pro saves $0.06 (10%) |
| Medium Feature (10K lines) | $4.66 | $4.05 | Perplexity Sonar Pro saves $0.61 (13%) |
| Large Project (50K lines) | $23.29 | $20.25 | Perplexity Sonar Pro saves $3.04 (13%) |
| Code Review (5K lines) | $1.20 | $0.90 | Perplexity Sonar Pro saves $0.30 (25%) |
Verdict
Claude Sonnet 4 wins on both price and performance — $3.00/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
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.
Claude 3 Haiku
AnthropicCheapest Claude model. Fast responses for simple tasks and basic coding.