GPT-3.5 Turbo vs Sonar Pro Search
Compare GPT-3.5 Turbo by OpenAI against Sonar Pro Search by Perplexity, context windows of 16K vs 200K, tested across 52 shared challenges. Updated April 2026.
Which is better, GPT-3.5 Turbo or Sonar Pro Search?
GPT-3.5 Turbo and Sonar Pro Search are both competitive models. GPT-3.5 Turbo costs $1.5/M input tokens vs $3/M for Sonar Pro Search. Context windows: 16K vs 200K tokens. Compare their real outputs side by side below.
Key Differences Between GPT-3.5 Turbo and Sonar Pro Search
GPT-3.5 Turbo is made by openai while Sonar Pro Search is from perplexity. GPT-3.5 Turbo has a 16K token context window compared to Sonar Pro Search's 200K. On pricing, GPT-3.5 Turbo costs $1.5/M input tokens vs $3/M for Sonar Pro Search.
No community votes yet. On paper, Sonar Pro Search has the edge — bigger model tier, newer, bigger context window.
GPT-3.5 Turbo is 7.5x cheaper per token — worth considering if cost matters.
Style Comparison
Sonar Pro Search uses 268.7x more bold
vs
Ask them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
