# Sonar Deep Research

> Perplexity's slow, thorough research model that reads many sources.

- Maker: Perplexity (https://docs.perplexity.ai)
- Type: Web search
- Artificial Analysis Intelligence Index: Not scored yet
- Context window: not listed
- Output speed: not listed
- Scores checked 30 October 2026 at https://artificialanalysis.ai/leaderboards/models

## Where to use it through an API

- Perplexity: model id `sonar-deep-research`, slow, thorough

## Use it with every other AI at once

MultiScreenAI (https://www.multiscreenai.com) puts Sonar Deep Research on one screen next to ChatGPT, Claude, Gemini and 300+ models: one message goes to every panel, and a timed, blind test mode shows which answers best. Free during the beta with your own API keys.
AI agents and coding harnesses (Claude Code, Codex, Cursor, Gemini CLI) can ask Sonar Deep Research and other models at once through the MCP server at https://www.multiscreenai.com/api/mcp/ai; setup: https://www.multiscreenai.com/mcp