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  1. Home
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  3. Compare

Gemini 3.5 Flash vs Sonar Pro Search

Compare Gemini 3.5 Flash from Google and Sonar Pro Search from Perplexity on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.

Gemini 3.5 Flash vs Sonar Pro Search: side-by-side summary

Gemini 3.5 Flash and Sonar Pro Search are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Gemini 3.5 Flash, from Google, has a 1,048,576-token context window and is priced at $1.50/M tokens input, $9/M tokens output on OpenRouter.

Sonar Pro Search, from Perplexity, has a 200,000-token context window and is priced at $3/M tokens input, $15/M tokens output on OpenRouter.

Context window
  • Gemini 3.5 Flash: 1,048,576 tokens
  • Sonar Pro Search: 200,000 tokens
Price
  • Gemini 3.5 Flash: $1.50/M tokens input, $9/M tokens output
  • Sonar Pro Search: $3/M tokens input, $15/M tokens output
Provided by
  • Gemini 3.5 Flash: Google
  • Sonar Pro Search: Perplexity
  • Gemini 3.5 Flash model details, providers and pricing
  • Sonar Pro Search model details, providers and pricing