{"slug": "perplexity-came-dead-last-after-testing-agentic-search-tools-3537-times", "title": "Perplexity came dead last after testing agentic search tools 3,537 times", "summary": "Perplexity's agentic search tool ranked last out of eight services in a benchmark of 3,537 tests, with Serper, Tavily, and Parallel Pro taking the top spots. The Agentic Search Index measured accuracy, cost per 1,000 successful answers, and speed, providing a comparison for developers building AI agents.", "body_md": "# Find the right tools for your AI agents\n\nEvery tool claims to be the best. See which tools actually are best for your agents, starting with agentic web search.\n\n## Agentic Search Indexi\n\n[Methodology](/methodology)\n\nAgentic Search Index v0.1 · Jul 2026\n\n## Highlights\n\nAccuracy, cost, and speed for every tool, measured the same way.\n\n### Agentic Search Indexi\n\nThe overall score: how often each tool finds the right answer.\n\n### Costi\n\nUSD per 1,000 successful answers\n\n### Speedi\n\nHow long your agents wait for each search.\n\n## Let Your Agent Access This Data\n\nEvery number on this page is live over x402: an agent pays 0.035 USDC and gets the data with no account and no API key. A standard subscription based API is coming soon.\n\n[Get data with one prompt →](/agent-access)\n\n## Which search tool is right for your agents?\n\nNo tool wins everything: match each tool's strengths to the questions your agents actually ask.\n\n### Correct Answers by Question Typei\n\nFrom deep research to finding current info, each tool has its strengths.\n\n### Failure Attributioni\n\nKnow how each tool tends to fail before your agent depends on it.\n\n## The bottom line\n\nRankings on the left, real costs on the right.\n\nEvery tool's score, cost, and speed in one table.\n\n| # | Service | Index (CI) | Cost / 1k | p50 / p95 |\n|---|---|---|---|---|\n| 1 |\n|\n\n[Serper](/tools/serper-dev)[Tavily](/tools/tavily-com)[Parallel Pro](/tools/parallel-ai)[Exa](/tools/exa-ai)[Brave](/tools/brave-com)[Linkup](/tools/linkup-so)[Parallel Base](/tools/parallel-ai)[Perplexity Sonar](/tools/perplexity-ai)### Cost Breakdowni\n\nThe fee per call is often less than the token cost of reading what comes back.", "url": "https://wpnews.pro/news/perplexity-came-dead-last-after-testing-agentic-search-tools-3537-times", "canonical_source": "https://agenticresourceradar.com/", "published_at": "2026-07-13 15:53:40+00:00", "updated_at": "2026-07-13 16:05:35.030615+00:00", "lang": "en", "topics": ["ai-tools", "ai-agents", "artificial-intelligence"], "entities": ["Perplexity", "Serper", "Tavily", "Parallel Pro", "Exa", "Brave", "Linkup"], "alternates": {"html": "https://wpnews.pro/news/perplexity-came-dead-last-after-testing-agentic-search-tools-3537-times", "markdown": "https://wpnews.pro/news/perplexity-came-dead-last-after-testing-agentic-search-tools-3537-times.md", "text": "https://wpnews.pro/news/perplexity-came-dead-last-after-testing-agentic-search-tools-3537-times.txt", "jsonld": "https://wpnews.pro/news/perplexity-came-dead-last-after-testing-agentic-search-tools-3537-times.jsonld"}}