Model comparison Synced Apr 6, 2026

Anthropic: Claude Haiku 4.5 vs Perplexity: Sonar Reasoning Pro

Side-by-side comparison of Anthropic: Claude Haiku 4.5 and Perplexity: Sonar Reasoning Pro. Compare pricing, context window, capabilities, and find out which is better for your workflow.

Verdict

strong confidence

Anthropic: Claude Haiku 4.5 leads overall

Anthropic: Claude Haiku 4.5 leads in price and context window and capabilities and max output, making it the stronger choice for most workflows. Perplexity: Sonar Reasoning Pro remains a solid alternative depending on your specific needs.

Best for with Anthropic: Claude Haiku 4.5

Budget-conscious workflowsLong document processingMulti-modal tasksLong-form content generation

Best for with Perplexity: Sonar Reasoning Pro

No clear advantages identified

Side-by-side

Technical specifications

	Anthropic: Claude Haiku 4.5	Perplexity: Sonar Reasoning Pro
Provider	Anthropic	Perplexity
Input price	$1/M	$2/M
Output price	$5/M	$8/M
Context window	200K	128K
Max output	64K	N/A
Capabilities	Tool useVisionReasoning	VisionReasoning
Released	Oct 15, 2025	Mar 7, 2025

View Anthropic: Claude Haiku 4.5 profile View Perplexity: Sonar Reasoning Pro profile

Scoring breakdown

How each dimension compares

Price

Anthropic: Claude Haiku 4.5 leads

Anthropic: Claude Haiku 4.5

$5/M tokens