Claude 3.5 Haiku vs Perplexity Sonar Reasoning Pro

Performance benchmarks + pricing comparison — updated April 2026

Claude 3.5 Haiku

Anthropic

Fast, cost-effective model for high-volume tasks. Great for code review and simple queries.

Input	$0.800/M
Output	$4.00/M
Context	200K tokens
Best For	Code review, high-volume tasks, simple queries
Benchmark	52/100

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
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	Claude 3.5 Haiku	Perplexity Sonar Reasoning Pro	Savings
Small Script (1K lines)	$0.16	$0.78	Claude 3.5 Haiku saves $0.61 (79%)
Medium Feature (10K lines)	$1.24	$5.75	Claude 3.5 Haiku saves $4.51 (78%)
Large Project (50K lines)	$6.21	$28.75	Claude 3.5 Haiku saves $22.54 (78%)
Code Review (5K lines)	$0.32	$1.38	Claude 3.5 Haiku saves $1.05 (77%)

Verdict

Claude 3.5 Haiku wins on both price and performance — $0.800/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

Anthropic's balanced model for coding and general tasks. Best price-performance ratio in the Claude family.

$3.00/M input $15.00/M output ~$4.66 per medium feature

Claude Opus 4

Anthropic's most powerful model. Best for complex reasoning and challenging coding tasks.

$15.00/M input $75.00/M output ~$23.29 per medium feature

Claude 3.5 Sonnet

Previous generation Sonnet. Still excellent for coding tasks at the same price point.

$3.00/M input $15.00/M output ~$4.66 per medium feature

Claude 3 Opus

First generation Opus. Highest reasoning capability in the Claude 3 family.

$15.00/M input $75.00/M output ~$20.25 per medium feature

Claude 3 Sonnet

First generation Sonnet. Balanced performance for general tasks.

$3.00/M input $15.00/M output ~$4.05 per medium feature

Claude 3 Haiku

Cheapest Claude model. Fast responses for simple tasks and basic coding.

$0.250/M input $1.25/M output ~$0.34 per medium feature