Perplexity Advanced Deep Research

Perplexity · Research & Search

POST /v1/chat/completions

Institutional-grade research powered by Claude Opus 4.6 reasoning, with maximum depth, enhanced tool access, and extensive source coverage.

At a glance

Field	Value
Model id	`perplexity-advanced-deep-research`
Input modalities	Text, Image, Document
Output modalities	Text
Context window	-
Weight precision	-
Features	web_search, reasoning, deep_research
Native inference	No
New	No
Supported endpoints	`POST /v1/chat/completions`, `POST /v1/responses`, `POST /v1/messages`, `POST /v1/search`

Pricing

Charge	Spec	Rate
Input	per 1M prompt tokens	$12.00
Output	per 1M generated tokens	$60.00
Web Search Call	per call	$0.012
URL Fetch Call	per call	$0.0012

Example request

$ curl https://api.empiriolabs.ai/v1/search \
>   -H 'Authorization: Bearer $EMPIRIOLABS_API_KEY' \
>   -H 'Content-Type: application/json' \
>   -d '{"model": "perplexity-advanced-deep-research", "query": "latest LLM benchmarks 2026"}'

Parameters

Parameter	Type	Required	Default	Description
`reasoning_effort`	enum	no	`"high"`	Level of reasoning depth. Higher effort = more thorough analysis. · Allowed: `low`, `medium`, `high`
`max_output_tokens`	number	no	`10000`	Maximum tokens in the final answer (does not count research steps). Range 10000-16000. · Range: 10000 – 16000
`max_tokens_per_page`	number	no	`4096`	Max tokens extracted per search result page. Higher = more content per source but slower. Default is 4096. · Range: 4096 – 16384
`search_domain_filter`	string	no	-	Comma-separated domains. Prefix with ’-’ to exclude. Max 20.
`search_language_filter`	string	no	-	Comma-separated ISO 639-1 codes (2 letters). Max 10.
`search_recency_filter`	enum	no	`"none"`	Relative time filter. Cannot be combined with specific dates. · Allowed: `none`, `day`, `week`, `month`, `year`
`search_after_date`	string	no	-	Only include sources published after this date. Use YYYY-MM-DD or natural language.
`search_before_date`	string	no	-	Only include sources published before this date. Use YYYY-MM-DD or natural language.
`country`	string	no	-	Two-letter ISO 3166-1 code (e.g. US, GB) for biasing results to a country.
`region`	string	no	-	State or province name for location bias.
`city`	string	no	-	City name for location bias.
`latitude`	number	no	-	Latitude for location bias, in decimal degrees.
`longitude`	number	no	-	Longitude for location bias, in decimal degrees.
`disable_formatting`	boolean	no	false	Skip the EmpirioLabs Markdown formatting (citation hyperlinks + References block + reasoning_content render). The plain answer text and the structured reasoning_steps array (with search queries, results, and fetched URLs) are still returned.

Machine-readable schema: GET https://api.empiriolabs.ai/v1/models/perplexity-advanced-deep-research.