What is the difference between DeepSeek R1 0528 and Sonar Pro Search?

DeepSeek R1 0528 is developed by DeepSeek while Sonar Pro Search is developed by Perplexity. DeepSeek R1 0528 has a 164K token context window vs Sonar Pro Search's 200K. You can compare their actual outputs across 52 challenges on Rival to see how they differ in practice.

Which is better, DeepSeek R1 0528 or Sonar Pro Search?

It depends on your use case. DeepSeek R1 0528 and Sonar Pro Search each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 52 challenges so you can judge which fits your needs best.

How much does DeepSeek R1 0528 cost compared to Sonar Pro Search?

DeepSeek R1 0528 costs $0/M input tokens and Sonar Pro Search costs $3/M input tokens. DeepSeek R1 0528 is $3.00/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare DeepSeek R1 0528 and Sonar Pro Search on Rival?

This page shows a side-by-side comparison of DeepSeek R1 0528 and Sonar Pro Search across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

Updated Oct 2025

DeepSeek R1 0528vsSonar Pro Search

DeepSeek R1 0528 is cheaper than Sonar Pro Search at $0/M vs $3/M input tokens.

DeepSeek R1 0528 and Sonar Pro Search compared across 52 shared prompts
Spec	DeepSeek R1 0528	Sonar Pro Search
Input price	Free	$3/M tokens
Output price	Free	$15/M tokens
Context window	164K tokens	200K tokens
Weights	Open	Closed
Free API (OpenRouter)	No	No
Released	May 2025	Oct 2025