Overview
Phi 4 vs Sonar Reasoning Pro: side-by-side summary
Phi 4 and Sonar Reasoning Pro are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Phi 4, from Microsoft, has a 16,384-token context window and is priced at $0.07/M tokens input, $0.14/M tokens output on OpenRouter.
Sonar Reasoning Pro, from Perplexity, has a 128,000-token context window and is priced at $2/M tokens input, $8/M tokens output on OpenRouter.
- Context window
- Phi 4: 16,384 tokens
- Sonar Reasoning Pro: 128,000 tokens
- Price
- Phi 4: $0.07/M tokens input, $0.14/M tokens output
- Sonar Reasoning Pro: $2/M tokens input, $8/M tokens output
- Provided by
- Phi 4: Microsoft
- Sonar Reasoning Pro: Perplexity