Perplexity

Use Perplexity models with built-in web search in Kern agents.

Perplexity offers powerful language models with built-in web search capabilities, enabling advanced research and Q&A functionality.

Explore Perplexity’s models here.

Authentication

Set your PERPLEXITY_API_KEY environment variable. Get your key from Perplexity here.

1export PERPLEXITY_API_KEY=***

1setx PERPLEXITY_API_KEY ***

Example

Use Perplexity with your Agent:

1from kern.agent import Agent
2from kern.models.perplexity import Perplexity
3
4agent = Agent(model=Perplexity(id="sonar-pro"), markdown=True)
5
6# Print the response in the terminal
7agent.print_response("Share a 2 sentence horror story")

Note View more examples here.

Params

Parameter	Type	Default	Description
`id`	`str`	`"sonar"`	The ID of the Perplexity model to use
`name`	`str`	`"Perplexity"`	The name of the model
`provider`	`str`	`"Perplexity"`	The provider of the model
`api_key`	`Optional[str]`	`None`	The API key for Perplexity (defaults to PERPLEXITY_API_KEY env var)
`base_url`	`str`	`"https://api.perplexity.ai/"`	The base URL for the Perplexity API
`max_tokens`	`int`	`1024`	Maximum number of tokens to generate
`top_k`	`Optional[float]`	`None`	Number of highest probability tokens to consider for generation
`collect_metrics_on_completion`	`bool`	`True`	Collect token metrics only from the final streaming chunk (for providers with cumulative token counts)

Perplexity also supports the params of OpenAI.