Best Perplexity Models for RAG

Match · Updated July 2026

The best Perplexity model for RAG is Sonar Reasoning Pro — 17.8 intelligence with 128K tokens of context for retrieved passages. Sonar Pro (9.3) is next.

17.8Intelligence

$2.00Input /M

128KContext

The best AI models for retrieval-augmented generation, ranked by intelligence among models with at least 128K tokens of context — enough to hold retrieved passages plus conversation. RAG pipelines run at volume, so weigh the price and speed columns as hard as the score.

Frequently asked

What is the best Perplexity model for RAG?

The best Perplexity model for RAG is Sonar Reasoning Pro — 17.8 intelligence with 128K tokens of context for retrieved passages. Sonar Pro (9.3) is next.

What's a good alternative to Sonar Reasoning Pro?

Sonar Pro (9.3) is the closest alternative on this metric. See the full ranking above for the tradeoffs.

How many Perplexity models are there?

modelgrep tracks 5 Perplexity models with live benchmarks, speed, latency and per-provider pricing, led on intelligence by Sonar Reasoning Pro. 2 of them qualify for this ranking.

More Perplexity rankings

Perplexity: Smartest LLMs Perplexity: Best LLMs for Coding Perplexity: Best LLMs for Design & Frontend Perplexity: Fastest LLMs Perplexity: Lowest-Latency LLMs Perplexity: Cheapest LLMs Perplexity: Best Free LLMs Perplexity: Best Reasoning LLMs Perplexity: Best Vision LLMs Perplexity: Best LLMs for Agents Perplexity: Best Open-Source LLMs Perplexity: Longest-Context LLMs Perplexity: Best LLMs for Writing Perplexity: Best LLMs for Math & Science Perplexity: Best LLMs for SQL & Data Analysis Perplexity: Best LLMs for Roleplay Perplexity: Best Uncensored LLMs

All rankings

Small & Fast LLMs Best Local LLMs Smartest LLMs Best LLMs for Coding Best LLMs for Design & Frontend Fastest LLMs Lowest-Latency LLMs Cheapest LLMs Best Free LLMs Best Reasoning LLMs Best Vision LLMs Best LLMs for Agents Best Open-Source LLMs Longest-Context LLMs Best LLMs for Writing Best LLMs for Math & Science Best LLMs for SQL & Data Analysis Best LLMs for Roleplay Best Uncensored LLMs