Grok-1.5V vs R1 1776

xAI vs Perplexity — benchmarks, pricing, and capabilities side by side.

•R1 1776 has the higher intelligence index (95.4 vs 71.3)

	Grok-1.5V	R1 1776
Intelligence index	71.3	95.4
Developer	xAI	Perplexity
Type	Multimodal	LLM
Access	API only	—
Context window	—	—
Input price	—	$0.00 / 1M
Output price	—	$0.00 / 1M
Speed	—	—
Released	April 12, 2024	February 18, 2025
Parameters	—	—
Input modalities	—	—
Output modalities	—	—

Grok-1.5V details R1 1776 details