Perplexity with LiteLLM

pip install litellm

export PERPLEXITY_API_KEY="your_api_key_here"

from litellm import responses
import os

os.environ["PERPLEXITY_API_KEY"] = "your_api_key_here"

response = responses(
    model="perplexity/preset/low",
    input="What are the latest developments in AI?",
    custom_llm_provider="perplexity",
)

print(response.output)

from litellm import responses

response = responses(
    model="perplexity/openai/gpt-5.6-sol",
    input="Research quantum computing breakthroughs and cite sources.",
    custom_llm_provider="perplexity",
    tools=[
        {"type": "web_search"},
        {"type": "fetch_url"},
    ],
    instructions="Use web_search and fetch_url to gather citations.",
    max_output_tokens=1000,
    temperature=0.7,
)

print(response.output)

from litellm import responses

response = responses(
    model="perplexity/preset/low",
    input="Extract key facts about the Eiffel Tower.",
    custom_llm_provider="perplexity",
    text={
        "format": {
            "type": "json_schema",
            "name": "facts",
            "schema": {
                "type": "object",
                "properties": {
                    "name": {"type": "string"},
                    "height_meters": {"type": "number"},
                    "year_built": {"type": "integer"},
                },
                "required": ["name", "height_meters", "year_built"],
            },
            "strict": True,
        }
    },
)

model_list:
  - model_name: perplexity-low
    litellm_params:
      model: perplexity/preset/low
      api_key: os.environ/PERPLEXITY_API_KEY

litellm --config /path/to/config.yaml

curl http://0.0.0.0:4000/v1/responses \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer anything" \
  -d '{
    "model": "perplexity-low",
    "input": "What are the latest developments in AI?",
    "tools": [{"type": "web_search"}]
  }'