Claude Sonnet 4 Lite vs Perplexity Sonar Reasoning Pro

Performance benchmarks + pricing comparison — updated April 2026

Claude Sonnet 4 Lite

Anthropic

Lighter version of Claude Sonnet 4. Good balance of quality and cost for day-to-day coding.

Input$1.00/M
Output$5.00/M
Context200K tokens
Best ForDay-to-day coding, documentation, cost-conscious teams
Benchmark70/100

Perplexity Sonar Reasoning Pro

Perplexity

Perplexity's most advanced search model with deep reasoning. Complex research tasks with cited sources.

Input$5.00/M
Output$20.00/M
Context128K tokens
Best ForDeep 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.

ScenarioClaude Sonnet 4 LitePerplexity Sonar Reasoning ProSavings
Small Script (1K lines) $0.21 $0.78 Claude Sonnet 4 Lite saves $0.57 (74%)
Medium Feature (10K lines) $1.55 $5.75 Claude Sonnet 4 Lite saves $4.20 (73%)
Large Project (50K lines) $7.76 $28.75 Claude Sonnet 4 Lite saves $20.99 (73%)
Code Review (5K lines) $0.40 $1.38 Claude Sonnet 4 Lite saves $0.97 (71%)

Verdict

Claude Sonnet 4 Lite wins on both price and performance — $1.00/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