Perplexity Sonar Reasoning Pro vs O3 Mini

Performance benchmarks + pricing comparison — updated April 2026

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

OpenAI

OpenAI's reasoning model at lower cost. Strong at math, coding, and science tasks.

Input	$1.10/M
Output	$4.40/M
Context	200K tokens
Best For	Math, science, coding tasks requiring deep reasoning
Benchmark	80/100

Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.

Scenario	Perplexity Sonar Reasoning Pro	O3 Mini	Savings
Small Script (1K lines)	$0.78	$0.17	O3 Mini saves $0.60 (78%)
Medium Feature (10K lines)	$5.75	$1.27	O3 Mini saves $4.48 (78%)
Large Project (50K lines)	$28.75	$6.33	O3 Mini saves $22.42 (78%)
Code Review (5K lines)	$1.38	$0.30	O3 Mini saves $1.07 (78%)

O3 Mini wins on both price and performance — $1.10/M input with a benchmark score of N/A/100.

For most developers, this is the clear choice between these two models.

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

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

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

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

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

First generation Sonnet. Balanced performance for general tasks.