Perplexity LLM pricing

Priced from input_mtok and output_mtok, US dollars per 1,000,000 tokens. Source of truth: prices/providers/perplexity.yml.

Model	Name	Input $ / Mtok	Output $ / Mtok
`llama-3.1-sonar-large-128k-online`	Llama 3.1 Sonar 70B Online	$1	$1
`llama-3.1-sonar-small-128k-online`	Llama 3.1 Sonar 8B Online	$0.2	$0.2
`r1-1776`	R1 1776	$2	$8
`sonar`	Sonar	$1	$1
`sonar-deep-research`	Sonar Deep Research	$2	$8
`sonar-pro`	Sonar Pro	$3	$15
`sonar-reasoning`	Sonar Reasoning	$1	$5
`sonar-reasoning-pro`	Sonar Reasoning Pro	$2	$8