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Perplexity Deep Search

Deep search via Perplexity API. Three modes: search (quick facts), reason (complex analysis), research (in-depth reports). Returns AI-grounded answers with c...

personAuthor: ericsantoshubclawhub
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Perplexity Deep Search

AI-powered web search with three modes for different depth levels.

Quick Start

# Quick search (sonar) - facts, summaries, current events
{baseDir}/scripts/search.sh "latest AI news"

# Reasoning (sonar-reasoning-pro) - complex analysis, multi-step
{baseDir}/scripts/search.sh --mode reason "compare React vs Vue for enterprise apps"

# Deep Research (sonar-deep-research) - full reports, exhaustive analysis
{baseDir}/scripts/search.sh --mode research "market analysis of AI in healthcare 2025"

Modes

| Mode | Model | Best For | Cost | |------|-------|----------|------| | search (default) | sonar-pro | Quick facts, summaries, current events | Low | | reason | sonar-reasoning-pro | Complex analysis, comparisons, problem-solving | Medium | | research | sonar-deep-research | In-depth reports, market analysis, literature reviews | High |

Options

| Flag | Description | Default | |------|-------------|---------| | --mode | search, reason, research | search | | --recency | hour, day, week, month | — | | --domains | Comma-separated domain filter | — | | --lang | Language code (pt, en, es, etc.) | — | | --json | Raw JSON output | off |

Examples

# Search with recency filter
{baseDir}/scripts/search.sh --recency week "OpenAI latest announcements"

# Search restricted to specific domains
{baseDir}/scripts/search.sh --domains "arxiv.org,nature.com" "transformer architecture advances"

# Search in Portuguese
{baseDir}/scripts/search.sh --lang pt "inteligência artificial no Brasil"

# Deep research with JSON output
{baseDir}/scripts/search.sh --mode research --json "enterprise AI adoption trends"

API Key

Set PERPLEXITY_API_KEY env var, or store it in a file:

mkdir -p ~/.config/perplexity
echo "your_key_here" > ~/.config/perplexity/api_key
chmod 600 ~/.config/perplexity/api_key

The script checks the env var first, then falls back to the file.

Pricing Reference

  • Search (sonar-pro): ~$0.01/query
  • Reasoning (sonar-reasoning-pro): ~$0.02/query
  • Deep Research (sonar-deep-research): ~$0.40/query (uses many searches + reasoning)

Use search for everyday queries. Reserve research for when you truly need exhaustive analysis.