Sonar Pro Search vs Riverflow V2 Fast: side-by-side summary

Sonar Pro Search and Riverflow V2 Fast are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

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.

Riverflow V2 Fast, from Sourceful, has a 8,192-token context window and is priced from $0.02/image on OpenRouter.

Context window

• Sonar Pro Search: 200,000 tokens
• Riverflow V2 Fast: 8,192 tokens

Price

• Sonar Pro Search: $3/M tokens input, $15/M tokens output
• Riverflow V2 Fast: from $0.02/image

Provided by

• Sonar Pro Search: Perplexity
• Riverflow V2 Fast: Sourceful

• Sonar Pro Search model details, providers and pricing
• Riverflow V2 Fast model details, providers and pricing