Overview
Gemini 3.1 Flash Lite vs Sonar Pro Search: side-by-side summary
Gemini 3.1 Flash Lite 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 3.1 Flash Lite, from Google, has a 1,048,576-token context window and is priced at $0.25/M tokens input, $1.50/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 3.1 Flash Lite: 1,048,576 tokens
- Sonar Pro Search: 200,000 tokens
- Price
- Gemini 3.1 Flash Lite: $0.25/M tokens input, $1.50/M tokens output
- Sonar Pro Search: $3/M tokens input, $15/M tokens output
- Provided by
- Gemini 3.1 Flash Lite: Google
- Sonar Pro Search: Perplexity