OpenAI o4-mini vs Sonar Pro Search

Compare OpenAI o4-mini by OpenAI against Sonar Pro Search by Perplexity, tested across 35 shared challenges. Updated March 2026.

Which is better, OpenAI o4-mini or Sonar Pro Search?

OpenAI o4-mini and Sonar Pro Search are both competitive models. OpenAI o4-mini costs $1.1/M input tokens vs $3/M for Sonar Pro Search. Compare their real outputs side by side below.

Key Differences Between OpenAI o4-mini and Sonar Pro Search

OpenAI o4-mini is made by openai while Sonar Pro Search is from perplexity. On pricing, OpenAI o4-mini costs $1.1/M input tokens vs $3/M for Sonar Pro Search.

Our Verdict
Sonar Pro Search
Sonar Pro Search
OpenAI o4-mini
OpenAI o4-miniRunner-up

No community votes yet. On paper, Sonar Pro Search has the edge — bigger model tier, newer, bigger context window.

OpenAI o4-mini is 3.4x cheaper per token — worth considering if cost matters.

Too close to call
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